mirror of
https://github.com/Gehstock/Mist_FPGA.git
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Cleaning
This commit is contained in:
@@ -18,7 +18,7 @@
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#
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# Quartus II 64-Bit
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# Version 13.1.4 Build 182 03/12/2014 SJ Web Edition
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# Date created = 16:46:43 March 20, 2019
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# Date created = 13:30:33 September 09, 2019
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#
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# -------------------------------------------------------------------------- #
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#
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@@ -46,31 +46,26 @@ set_global_assignment -name PRE_FLOW_SCRIPT_FILE "quartus_sh:rtl/build_id.tcl"
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set_global_assignment -name PROJECT_OUTPUT_DIRECTORY output_files
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set_global_assignment -name SYSTEMVERILOG_FILE rtl/bagman_mist.sv
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set_global_assignment -name VHDL_FILE rtl/bagman.vhd
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set_global_assignment -name VHDL_FILE rtl/bagman_tile_bit1.vhd
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set_global_assignment -name VHDL_FILE rtl/bagman_tile_bit0.vhd
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set_global_assignment -name VHDL_FILE rtl/bagman_program.vhd
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set_global_assignment -name VHDL_FILE rtl/bagman_palette.vhd
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set_global_assignment -name VHDL_FILE rtl/bagman_pal16r6.vhd
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set_global_assignment -name VHDL_FILE rtl/ym_2149_linmix.vhd
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set_global_assignment -name VHDL_FILE rtl/video_gen.vhd
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set_global_assignment -name VHDL_FILE rtl/gen_ram.vhd
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set_global_assignment -name VHDL_FILE rtl/bagman_speech.vhd
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set_global_assignment -name VHDL_FILE rtl/bagman_speech1.vhd
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set_global_assignment -name VHDL_FILE rtl/bagman_speech2.vhd
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set_global_assignment -name VHDL_FILE rtl/plc10_speech_synthetizer.vhd
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set_global_assignment -name VHDL_FILE rtl/rom/bagman_tile_bit1.vhd
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set_global_assignment -name VHDL_FILE rtl/rom/bagman_tile_bit0.vhd
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set_global_assignment -name VHDL_FILE rtl/rom/bagman_speech2.vhd
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set_global_assignment -name VHDL_FILE rtl/rom/bagman_speech1.vhd
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set_global_assignment -name VHDL_FILE rtl/rom/bagman_program.vhd
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set_global_assignment -name VHDL_FILE rtl/rom/bagman_palette.vhd
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set_global_assignment -name VHDL_FILE rtl/T80/T80s.vhd
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set_global_assignment -name VHDL_FILE rtl/T80/T80_Reg.vhd
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set_global_assignment -name VHDL_FILE rtl/T80/T80_Pack.vhd
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set_global_assignment -name VHDL_FILE rtl/T80/T80_MCode.vhd
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set_global_assignment -name VHDL_FILE rtl/T80/T80_ALU.vhd
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set_global_assignment -name VHDL_FILE rtl/T80/T80.vhd
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set_global_assignment -name VHDL_FILE rtl/ym_2149_linmix.vhd
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set_global_assignment -name SYSTEMVERILOG_FILE rtl/video_mixer.sv
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set_global_assignment -name VHDL_FILE rtl/video_gen.vhd
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set_global_assignment -name SYSTEMVERILOG_FILE rtl/scandoubler.sv
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set_global_assignment -name SYSTEMVERILOG_FILE rtl/osd.sv
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set_global_assignment -name SYSTEMVERILOG_FILE rtl/mist_io.sv
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set_global_assignment -name SYSTEMVERILOG_FILE rtl/hq2x.sv
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set_global_assignment -name VHDL_FILE rtl/gen_ram.vhd
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set_global_assignment -name SYSTEMVERILOG_FILE rtl/dac.sv
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set_global_assignment -name VERILOG_FILE rtl/pll.v
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set_global_assignment -name QIP_FILE ../../../common/mist/mist.qip
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# Pin & Location Assignments
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# ==========================
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Binary file not shown.
@@ -16,25 +16,24 @@ module bagman_mist (
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input CLOCK_27
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);
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`include "rtl\build_id.sv"
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`include "rtl\build_id.v"
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localparam CONF_STR = {
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"Bagman;;",
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"O2,Rotate Controls,Off,On;",
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"O34,Scandoubler Fx,None,HQ2x,CRT 25%,CRT 50%;",
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"T6,Reset;",
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"V,v1.20.",`BUILD_DATE
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"V,v1.25.",`BUILD_DATE
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};
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assign LED = 1;
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assign AUDIO_R = AUDIO_L;
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wire clock_24, clock_12, clock_6;
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wire clock_24, clock_12;
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pll pll(
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.inclk0(CLOCK_27),
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.c0(clock_24),
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.c1(clock_12),
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.c2(clock_6)
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.c1(clock_12)
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);
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wire [31:0] status;
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@@ -45,13 +44,15 @@ wire [7:0] joystick_0;
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wire [7:0] joystick_1;
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wire scandoublerD;
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wire ypbpr;
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wire [10:0] ps2_key;
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wire [12:0] audio;
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wire hs, vs;
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wire hb, vb;
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wire blankn = ~(hb | vb);
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wire [2:0] r, g;
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wire [1:0] b;
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wire key_strobe;
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wire key_pressed;
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wire [7:0] key_code;
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bagman bagman(
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.clock_12(clock_12),
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@@ -78,60 +79,52 @@ bagman bagman(
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.down2(m_down),
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.up2(m_up)
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);
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video_mixer video_mixer(
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.clk_sys(clock_24),
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.ce_pix(clock_6),
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.ce_pix_actual(clock_6),
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.SPI_SCK(SPI_SCK),
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.SPI_SS3(SPI_SS3),
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.SPI_DI(SPI_DI),
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.R(blankn ? r : "000"),
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.G(blankn ? g : "000"),
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.B(blankn ? {b,b[0]} : "000"),
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.HSync(hs),
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.VSync(vs),
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.VGA_R(VGA_R),
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.VGA_G(VGA_G),
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.VGA_B(VGA_B),
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.VGA_VS(VGA_VS),
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.VGA_HS(VGA_HS),
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.scandoublerD(scandoublerD),
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.scanlines(scandoublerD ? 2'b00 : status[4:3]),
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.rotate({1'b1,status[2]}),//(left/right,on/off)
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.ypbpr(ypbpr),
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.ypbpr_full(1),
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.line_start(0),
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.mono(0)
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);
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mist_io #(
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.STRLEN(($size(CONF_STR)>>3)))
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mist_io(
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mist_video #(.COLOR_DEPTH(3), .SD_HCNT_WIDTH(10)) mist_video(
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.clk_sys ( clock_24 ),
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.SPI_SCK ( SPI_SCK ),
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.SPI_SS3 ( SPI_SS3 ),
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.SPI_DI ( SPI_DI ),
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.R ( blankn ? r : 0 ),
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.G ( blankn ? g : 0 ),
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.B ( blankn ? {b,b[0]} : 0 ),
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.HSync ( hs ),
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.VSync ( vs ),
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.VGA_R ( VGA_R ),
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.VGA_G ( VGA_G ),
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.VGA_B ( VGA_B ),
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.VGA_VS ( VGA_VS ),
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.VGA_HS ( VGA_HS ),
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.rotate ( {1'b1,status[2]} ),
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.scandoubler_disable( scandoublerD ),
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.scanlines ( status[4:3] ),
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.ypbpr ( ypbpr )
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);
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user_io #(.STRLEN(($size(CONF_STR)>>3)))user_io(
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.clk_sys (clock_24 ),
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.conf_str (CONF_STR ),
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.SPI_SCK (SPI_SCK ),
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.CONF_DATA0 (CONF_DATA0 ),
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.SPI_SS2 (SPI_SS2 ),
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.SPI_DO (SPI_DO ),
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.SPI_DI (SPI_DI ),
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.SPI_CLK (SPI_SCK ),
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.SPI_SS_IO (CONF_DATA0 ),
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.SPI_MISO (SPI_DO ),
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.SPI_MOSI (SPI_DI ),
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.buttons (buttons ),
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.switches (switches ),
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.scandoublerD (scandoublerD ),
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.switches (switches ),
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.scandoubler_disable (scandoublerD ),
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.ypbpr (ypbpr ),
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.ps2_key (ps2_key ),
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.joystick_0 (joystick_0 ),
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.key_strobe (key_strobe ),
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.key_pressed (key_pressed ),
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.key_code (key_code ),
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.joystick_0 (joystick_0 ),
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.joystick_1 (joystick_1 ),
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.status (status )
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);
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dac #(
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.MSBI(12))
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dac(
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.CLK(clock_24),
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.RESET(1'b0),
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.DACin(audio),
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.DACout(AUDIO_L)
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dac #(.C_bits(16))dac(
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.clk_i(clock_24),
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.res_n_i(1),
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.dac_i({audio,4'b0}),
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.dac_o(AUDIO_L)
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);
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// Rotated Normal
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@@ -140,7 +133,7 @@ wire m_down = ~status[2] ? btn_right | joystick_0[0] | joystick_1[0] : btn_dow
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wire m_left = ~status[2] ? btn_down | joystick_0[2] | joystick_1[2] : btn_left | joystick_0[1] | joystick_1[1];
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wire m_right = ~status[2] ? btn_up | joystick_0[3] | joystick_1[3] : btn_right | joystick_0[0] | joystick_1[0];
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wire m_fire = btn_fire1 | joystick_0[4] | joystick_1[4];
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wire m_bomb = btn_fire2 | joystick_0[5] | joystick_1[5];
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//wire m_bomb = btn_fire2 | joystick_0[5] | joystick_1[5];
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reg btn_one_player = 0;
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reg btn_two_players = 0;
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@@ -149,27 +142,25 @@ reg btn_right = 0;
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reg btn_down = 0;
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reg btn_up = 0;
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reg btn_fire1 = 0;
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reg btn_fire2 = 0;
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reg btn_fire3 = 0;
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//reg btn_fire2 = 0;
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//reg btn_fire3 = 0;
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reg btn_coin = 0;
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wire pressed = ps2_key[9];
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wire [7:0] code = ps2_key[7:0];
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always @(posedge clock_24) begin
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reg old_state;
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old_state <= ps2_key[10];
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if(old_state != ps2_key[10]) begin
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case(code)
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'h75: btn_up <= pressed; // up
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'h72: btn_down <= pressed; // down
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'h6B: btn_left <= pressed; // left
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'h74: btn_right <= pressed; // right
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'h76: btn_coin <= pressed; // ESC
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'h05: btn_one_player <= pressed; // F1
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'h06: btn_two_players <= pressed; // F2
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'h14: btn_fire3 <= pressed; // ctrl
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'h11: btn_fire2 <= pressed; // alt
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'h29: btn_fire1 <= pressed; // Space
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old_state <= key_strobe;
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if(old_state != key_strobe) begin
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case(key_code)
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'h75: btn_up <= key_pressed; // up
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'h72: btn_down <= key_pressed; // down
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'h6B: btn_left <= key_pressed; // left
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'h74: btn_right <= key_pressed; // right
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'h76: btn_coin <= key_pressed; // ESC
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'h05: btn_one_player <= key_pressed; // F1
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'h06: btn_two_players <= key_pressed; // F2
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// 'h14: btn_fire3 <= key_pressed; // ctrl
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// 'h11: btn_fire2 <= key_pressed; // alt
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'h29: btn_fire1 <= key_pressed; // Space
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endcase
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end
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end
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@@ -1,2 +0,0 @@
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`define BUILD_DATE "190320"
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`define BUILD_TIME "164646"
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@@ -17,7 +17,7 @@ proc generateBuildID_Verilog {} {
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set buildTime [ clock format [ clock seconds ] -format %H%M%S ]
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# Create a Verilog file for output
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set outputFileName "rtl/build_id.sv"
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set outputFileName "rtl/build_id.v"
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set outputFile [open $outputFileName "w"]
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# Output the Verilog source
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@@ -1,33 +0,0 @@
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//
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// PWM DAC
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//
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// MSBI is the highest bit number. NOT amount of bits!
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//
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module dac #(parameter MSBI=12, parameter INV=1'b1)
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(
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output reg DACout, //Average Output feeding analog lowpass
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input [MSBI:0] DACin, //DAC input (excess 2**MSBI)
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input CLK,
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input RESET
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);
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reg [MSBI+2:0] DeltaAdder; //Output of Delta Adder
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reg [MSBI+2:0] SigmaAdder; //Output of Sigma Adder
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reg [MSBI+2:0] SigmaLatch; //Latches output of Sigma Adder
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reg [MSBI+2:0] DeltaB; //B input of Delta Adder
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always @(*) DeltaB = {SigmaLatch[MSBI+2], SigmaLatch[MSBI+2]} << (MSBI+1);
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always @(*) DeltaAdder = DACin + DeltaB;
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always @(*) SigmaAdder = DeltaAdder + SigmaLatch;
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always @(posedge CLK or posedge RESET) begin
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if(RESET) begin
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SigmaLatch <= 1'b1 << (MSBI+1);
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DACout <= INV;
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end else begin
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SigmaLatch <= SigmaAdder;
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DACout <= SigmaLatch[MSBI+2] ^ INV;
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end
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end
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endmodule
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@@ -1,454 +0,0 @@
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//
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//
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// Copyright (c) 2012-2013 Ludvig Strigeus
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// Copyright (c) 2017 Sorgelig
|
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//
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// This program is GPL Licensed. See COPYING for the full license.
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//
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//
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////////////////////////////////////////////////////////////////////////////////////////////////////////
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// synopsys translate_off
|
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`timescale 1 ps / 1 ps
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// synopsys translate_on
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`define BITS_TO_FIT(N) ( \
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N <= 2 ? 0 : \
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N <= 4 ? 1 : \
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N <= 8 ? 2 : \
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N <= 16 ? 3 : \
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N <= 32 ? 4 : \
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N <= 64 ? 5 : \
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N <= 128 ? 6 : \
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N <= 256 ? 7 : \
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N <= 512 ? 8 : \
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N <=1024 ? 9 : 10 )
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module hq2x_in #(parameter LENGTH, parameter DWIDTH)
|
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(
|
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input clk,
|
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|
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input [AWIDTH:0] rdaddr,
|
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input rdbuf,
|
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output[DWIDTH:0] q,
|
||||
|
||||
input [AWIDTH:0] wraddr,
|
||||
input wrbuf,
|
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input [DWIDTH:0] data,
|
||||
input wren
|
||||
);
|
||||
|
||||
localparam AWIDTH = `BITS_TO_FIT(LENGTH);
|
||||
wire [DWIDTH:0] out[2];
|
||||
assign q = out[rdbuf];
|
||||
|
||||
hq2x_buf #(.NUMWORDS(LENGTH), .AWIDTH(AWIDTH), .DWIDTH(DWIDTH)) buf0(clk,data,rdaddr,wraddr,wren && (wrbuf == 0),out[0]);
|
||||
hq2x_buf #(.NUMWORDS(LENGTH), .AWIDTH(AWIDTH), .DWIDTH(DWIDTH)) buf1(clk,data,rdaddr,wraddr,wren && (wrbuf == 1),out[1]);
|
||||
endmodule
|
||||
|
||||
|
||||
module hq2x_out #(parameter LENGTH, parameter DWIDTH)
|
||||
(
|
||||
input clk,
|
||||
|
||||
input [AWIDTH:0] rdaddr,
|
||||
input [1:0] rdbuf,
|
||||
output[DWIDTH:0] q,
|
||||
|
||||
input [AWIDTH:0] wraddr,
|
||||
input [1:0] wrbuf,
|
||||
input [DWIDTH:0] data,
|
||||
input wren
|
||||
);
|
||||
|
||||
localparam AWIDTH = `BITS_TO_FIT(LENGTH*2);
|
||||
wire [DWIDTH:0] out[4];
|
||||
assign q = out[rdbuf];
|
||||
|
||||
hq2x_buf #(.NUMWORDS(LENGTH*2), .AWIDTH(AWIDTH), .DWIDTH(DWIDTH)) buf0(clk,data,rdaddr,wraddr,wren && (wrbuf == 0),out[0]);
|
||||
hq2x_buf #(.NUMWORDS(LENGTH*2), .AWIDTH(AWIDTH), .DWIDTH(DWIDTH)) buf1(clk,data,rdaddr,wraddr,wren && (wrbuf == 1),out[1]);
|
||||
hq2x_buf #(.NUMWORDS(LENGTH*2), .AWIDTH(AWIDTH), .DWIDTH(DWIDTH)) buf2(clk,data,rdaddr,wraddr,wren && (wrbuf == 2),out[2]);
|
||||
hq2x_buf #(.NUMWORDS(LENGTH*2), .AWIDTH(AWIDTH), .DWIDTH(DWIDTH)) buf3(clk,data,rdaddr,wraddr,wren && (wrbuf == 3),out[3]);
|
||||
endmodule
|
||||
|
||||
|
||||
module hq2x_buf #(parameter NUMWORDS, parameter AWIDTH, parameter DWIDTH)
|
||||
(
|
||||
input clock,
|
||||
input [DWIDTH:0] data,
|
||||
input [AWIDTH:0] rdaddress,
|
||||
input [AWIDTH:0] wraddress,
|
||||
input wren,
|
||||
output [DWIDTH:0] q
|
||||
);
|
||||
|
||||
altsyncram altsyncram_component (
|
||||
.address_a (wraddress),
|
||||
.clock0 (clock),
|
||||
.data_a (data),
|
||||
.wren_a (wren),
|
||||
.address_b (rdaddress),
|
||||
.q_b(q),
|
||||
.aclr0 (1'b0),
|
||||
.aclr1 (1'b0),
|
||||
.addressstall_a (1'b0),
|
||||
.addressstall_b (1'b0),
|
||||
.byteena_a (1'b1),
|
||||
.byteena_b (1'b1),
|
||||
.clock1 (1'b1),
|
||||
.clocken0 (1'b1),
|
||||
.clocken1 (1'b1),
|
||||
.clocken2 (1'b1),
|
||||
.clocken3 (1'b1),
|
||||
.data_b ({(DWIDTH+1){1'b1}}),
|
||||
.eccstatus (),
|
||||
.q_a (),
|
||||
.rden_a (1'b1),
|
||||
.rden_b (1'b1),
|
||||
.wren_b (1'b0));
|
||||
defparam
|
||||
altsyncram_component.address_aclr_b = "NONE",
|
||||
altsyncram_component.address_reg_b = "CLOCK0",
|
||||
altsyncram_component.clock_enable_input_a = "BYPASS",
|
||||
altsyncram_component.clock_enable_input_b = "BYPASS",
|
||||
altsyncram_component.clock_enable_output_b = "BYPASS",
|
||||
altsyncram_component.intended_device_family = "Cyclone III",
|
||||
altsyncram_component.lpm_type = "altsyncram",
|
||||
altsyncram_component.numwords_a = NUMWORDS,
|
||||
altsyncram_component.numwords_b = NUMWORDS,
|
||||
altsyncram_component.operation_mode = "DUAL_PORT",
|
||||
altsyncram_component.outdata_aclr_b = "NONE",
|
||||
altsyncram_component.outdata_reg_b = "UNREGISTERED",
|
||||
altsyncram_component.power_up_uninitialized = "FALSE",
|
||||
altsyncram_component.read_during_write_mode_mixed_ports = "DONT_CARE",
|
||||
altsyncram_component.widthad_a = AWIDTH+1,
|
||||
altsyncram_component.widthad_b = AWIDTH+1,
|
||||
altsyncram_component.width_a = DWIDTH+1,
|
||||
altsyncram_component.width_b = DWIDTH+1,
|
||||
altsyncram_component.width_byteena_a = 1;
|
||||
|
||||
endmodule
|
||||
|
||||
////////////////////////////////////////////////////////////////////////////////////////////////////////
|
||||
|
||||
module DiffCheck
|
||||
(
|
||||
input [17:0] rgb1,
|
||||
input [17:0] rgb2,
|
||||
output result
|
||||
);
|
||||
|
||||
wire [5:0] r = rgb1[5:1] - rgb2[5:1];
|
||||
wire [5:0] g = rgb1[11:7] - rgb2[11:7];
|
||||
wire [5:0] b = rgb1[17:13] - rgb2[17:13];
|
||||
wire [6:0] t = $signed(r) + $signed(b);
|
||||
wire [6:0] gx = {g[5], g};
|
||||
wire [7:0] y = $signed(t) + $signed(gx);
|
||||
wire [6:0] u = $signed(r) - $signed(b);
|
||||
wire [7:0] v = $signed({g, 1'b0}) - $signed(t);
|
||||
|
||||
// if y is inside (-24..24)
|
||||
wire y_inside = (y < 8'h18 || y >= 8'he8);
|
||||
|
||||
// if u is inside (-4, 4)
|
||||
wire u_inside = (u < 7'h4 || u >= 7'h7c);
|
||||
|
||||
// if v is inside (-6, 6)
|
||||
wire v_inside = (v < 8'h6 || v >= 8'hfA);
|
||||
assign result = !(y_inside && u_inside && v_inside);
|
||||
endmodule
|
||||
|
||||
module InnerBlend
|
||||
(
|
||||
input [8:0] Op,
|
||||
input [5:0] A,
|
||||
input [5:0] B,
|
||||
input [5:0] C,
|
||||
output [5:0] O
|
||||
);
|
||||
|
||||
function [8:0] mul6x3;
|
||||
input [5:0] op1;
|
||||
input [2:0] op2;
|
||||
begin
|
||||
mul6x3 = 9'd0;
|
||||
if(op2[0]) mul6x3 = mul6x3 + op1;
|
||||
if(op2[1]) mul6x3 = mul6x3 + {op1, 1'b0};
|
||||
if(op2[2]) mul6x3 = mul6x3 + {op1, 2'b00};
|
||||
end
|
||||
endfunction
|
||||
|
||||
wire OpOnes = Op[4];
|
||||
wire [8:0] Amul = mul6x3(A, Op[7:5]);
|
||||
wire [8:0] Bmul = mul6x3(B, {Op[3:2], 1'b0});
|
||||
wire [8:0] Cmul = mul6x3(C, {Op[1:0], 1'b0});
|
||||
wire [8:0] At = Amul;
|
||||
wire [8:0] Bt = (OpOnes == 0) ? Bmul : {3'b0, B};
|
||||
wire [8:0] Ct = (OpOnes == 0) ? Cmul : {3'b0, C};
|
||||
wire [9:0] Res = {At, 1'b0} + Bt + Ct;
|
||||
assign O = Op[8] ? A : Res[9:4];
|
||||
endmodule
|
||||
|
||||
module Blend
|
||||
(
|
||||
input [5:0] rule,
|
||||
input disable_hq2x,
|
||||
input [17:0] E,
|
||||
input [17:0] A,
|
||||
input [17:0] B,
|
||||
input [17:0] D,
|
||||
input [17:0] F,
|
||||
input [17:0] H,
|
||||
output [17:0] Result
|
||||
);
|
||||
|
||||
reg [1:0] input_ctrl;
|
||||
reg [8:0] op;
|
||||
localparam BLEND0 = 9'b1_xxx_x_xx_xx; // 0: A
|
||||
localparam BLEND1 = 9'b0_110_0_10_00; // 1: (A * 12 + B * 4) >> 4
|
||||
localparam BLEND2 = 9'b0_100_0_10_10; // 2: (A * 8 + B * 4 + C * 4) >> 4
|
||||
localparam BLEND3 = 9'b0_101_0_10_01; // 3: (A * 10 + B * 4 + C * 2) >> 4
|
||||
localparam BLEND4 = 9'b0_110_0_01_01; // 4: (A * 12 + B * 2 + C * 2) >> 4
|
||||
localparam BLEND5 = 9'b0_010_0_11_11; // 5: (A * 4 + (B + C) * 6) >> 4
|
||||
localparam BLEND6 = 9'b0_111_1_xx_xx; // 6: (A * 14 + B + C) >> 4
|
||||
localparam AB = 2'b00;
|
||||
localparam AD = 2'b01;
|
||||
localparam DB = 2'b10;
|
||||
localparam BD = 2'b11;
|
||||
wire is_diff;
|
||||
DiffCheck diff_checker(rule[1] ? B : H, rule[0] ? D : F, is_diff);
|
||||
|
||||
always @* begin
|
||||
case({!is_diff, rule[5:2]})
|
||||
1,17: {op, input_ctrl} = {BLEND1, AB};
|
||||
2,18: {op, input_ctrl} = {BLEND1, DB};
|
||||
3,19: {op, input_ctrl} = {BLEND1, BD};
|
||||
4,20: {op, input_ctrl} = {BLEND2, DB};
|
||||
5,21: {op, input_ctrl} = {BLEND2, AB};
|
||||
6,22: {op, input_ctrl} = {BLEND2, AD};
|
||||
|
||||
8: {op, input_ctrl} = {BLEND0, 2'bxx};
|
||||
9: {op, input_ctrl} = {BLEND0, 2'bxx};
|
||||
10: {op, input_ctrl} = {BLEND0, 2'bxx};
|
||||
11: {op, input_ctrl} = {BLEND1, AB};
|
||||
12: {op, input_ctrl} = {BLEND1, AB};
|
||||
13: {op, input_ctrl} = {BLEND1, AB};
|
||||
14: {op, input_ctrl} = {BLEND1, DB};
|
||||
15: {op, input_ctrl} = {BLEND1, BD};
|
||||
|
||||
24: {op, input_ctrl} = {BLEND2, DB};
|
||||
25: {op, input_ctrl} = {BLEND5, DB};
|
||||
26: {op, input_ctrl} = {BLEND6, DB};
|
||||
27: {op, input_ctrl} = {BLEND2, DB};
|
||||
28: {op, input_ctrl} = {BLEND4, DB};
|
||||
29: {op, input_ctrl} = {BLEND5, DB};
|
||||
30: {op, input_ctrl} = {BLEND3, BD};
|
||||
31: {op, input_ctrl} = {BLEND3, DB};
|
||||
default: {op, input_ctrl} = 11'bx;
|
||||
endcase
|
||||
|
||||
// Setting op[8] effectively disables HQ2X because blend will always return E.
|
||||
if (disable_hq2x) op[8] = 1;
|
||||
end
|
||||
|
||||
// Generate inputs to the inner blender. Valid combinations.
|
||||
// 00: E A B
|
||||
// 01: E A D
|
||||
// 10: E D B
|
||||
// 11: E B D
|
||||
wire [17:0] Input1 = E;
|
||||
wire [17:0] Input2 = !input_ctrl[1] ? A :
|
||||
!input_ctrl[0] ? D : B;
|
||||
|
||||
wire [17:0] Input3 = !input_ctrl[0] ? B : D;
|
||||
InnerBlend inner_blend1(op, Input1[5:0], Input2[5:0], Input3[5:0], Result[5:0]);
|
||||
InnerBlend inner_blend2(op, Input1[11:6], Input2[11:6], Input3[11:6], Result[11:6]);
|
||||
InnerBlend inner_blend3(op, Input1[17:12], Input2[17:12], Input3[17:12], Result[17:12]);
|
||||
endmodule
|
||||
|
||||
|
||||
////////////////////////////////////////////////////////////////////////////////////////////////////
|
||||
|
||||
module Hq2x #(parameter LENGTH, parameter HALF_DEPTH)
|
||||
(
|
||||
input clk,
|
||||
input ce_x4,
|
||||
input [DWIDTH:0] inputpixel,
|
||||
input mono,
|
||||
input disable_hq2x,
|
||||
input reset_frame,
|
||||
input reset_line,
|
||||
input [1:0] read_y,
|
||||
input [AWIDTH+1:0] read_x,
|
||||
output [DWIDTH:0] outpixel
|
||||
);
|
||||
|
||||
|
||||
localparam AWIDTH = `BITS_TO_FIT(LENGTH);
|
||||
localparam DWIDTH = HALF_DEPTH ? 8 : 17;
|
||||
|
||||
wire [5:0] hqTable[256] = '{
|
||||
19, 19, 26, 11, 19, 19, 26, 11, 23, 15, 47, 35, 23, 15, 55, 39,
|
||||
19, 19, 26, 58, 19, 19, 26, 58, 23, 15, 35, 35, 23, 15, 7, 35,
|
||||
19, 19, 26, 11, 19, 19, 26, 11, 23, 15, 55, 39, 23, 15, 51, 43,
|
||||
19, 19, 26, 58, 19, 19, 26, 58, 23, 15, 51, 35, 23, 15, 7, 43,
|
||||
19, 19, 26, 11, 19, 19, 26, 11, 23, 61, 35, 35, 23, 61, 51, 35,
|
||||
19, 19, 26, 11, 19, 19, 26, 11, 23, 15, 51, 35, 23, 15, 51, 35,
|
||||
19, 19, 26, 11, 19, 19, 26, 11, 23, 61, 7, 35, 23, 61, 7, 43,
|
||||
19, 19, 26, 11, 19, 19, 26, 58, 23, 15, 51, 35, 23, 61, 7, 43,
|
||||
19, 19, 26, 11, 19, 19, 26, 11, 23, 15, 47, 35, 23, 15, 55, 39,
|
||||
19, 19, 26, 11, 19, 19, 26, 11, 23, 15, 51, 35, 23, 15, 51, 35,
|
||||
19, 19, 26, 11, 19, 19, 26, 11, 23, 15, 55, 39, 23, 15, 51, 43,
|
||||
19, 19, 26, 11, 19, 19, 26, 11, 23, 15, 51, 39, 23, 15, 7, 43,
|
||||
19, 19, 26, 11, 19, 19, 26, 11, 23, 15, 51, 35, 23, 15, 51, 39,
|
||||
19, 19, 26, 11, 19, 19, 26, 11, 23, 15, 51, 35, 23, 15, 7, 35,
|
||||
19, 19, 26, 11, 19, 19, 26, 11, 23, 15, 51, 35, 23, 15, 7, 43,
|
||||
19, 19, 26, 11, 19, 19, 26, 11, 23, 15, 7, 35, 23, 15, 7, 43
|
||||
};
|
||||
|
||||
reg [17:0] Prev0, Prev1, Prev2, Curr0, Curr1, Next0, Next1, Next2;
|
||||
reg [17:0] A, B, D, F, G, H;
|
||||
reg [7:0] pattern, nextpatt;
|
||||
reg [1:0] i;
|
||||
reg [7:0] y;
|
||||
|
||||
wire curbuf = y[0];
|
||||
reg prevbuf = 0;
|
||||
wire iobuf = !curbuf;
|
||||
|
||||
wire diff0, diff1;
|
||||
DiffCheck diffcheck0(Curr1, (i == 0) ? Prev0 : (i == 1) ? Curr0 : (i == 2) ? Prev2 : Next1, diff0);
|
||||
DiffCheck diffcheck1(Curr1, (i == 0) ? Prev1 : (i == 1) ? Next0 : (i == 2) ? Curr2 : Next2, diff1);
|
||||
|
||||
wire [7:0] new_pattern = {diff1, diff0, pattern[7:2]};
|
||||
|
||||
wire [17:0] X = (i == 0) ? A : (i == 1) ? Prev1 : (i == 2) ? Next1 : G;
|
||||
wire [17:0] blend_result;
|
||||
Blend blender(hqTable[nextpatt], disable_hq2x, Curr0, X, B, D, F, H, blend_result);
|
||||
|
||||
reg Curr2_addr1;
|
||||
reg [AWIDTH:0] Curr2_addr2;
|
||||
wire [17:0] Curr2 = HALF_DEPTH ? h2rgb(Curr2tmp) : Curr2tmp;
|
||||
wire [DWIDTH:0] Curr2tmp;
|
||||
|
||||
reg [AWIDTH:0] wrin_addr2;
|
||||
reg [DWIDTH:0] wrpix;
|
||||
reg wrin_en;
|
||||
|
||||
function [17:0] h2rgb;
|
||||
input [8:0] v;
|
||||
begin
|
||||
h2rgb = mono ? {v[5:3],v[2:0], v[5:3],v[2:0], v[5:3],v[2:0]} : {v[8:6],v[8:6],v[5:3],v[5:3],v[2:0],v[2:0]};
|
||||
end
|
||||
endfunction
|
||||
|
||||
function [8:0] rgb2h;
|
||||
input [17:0] v;
|
||||
begin
|
||||
rgb2h = mono ? {3'b000, v[17:15], v[14:12]} : {v[17:15], v[11:9], v[5:3]};
|
||||
end
|
||||
endfunction
|
||||
|
||||
hq2x_in #(.LENGTH(LENGTH), .DWIDTH(DWIDTH)) hq2x_in
|
||||
(
|
||||
.clk(clk),
|
||||
|
||||
.rdaddr(Curr2_addr2),
|
||||
.rdbuf(Curr2_addr1),
|
||||
.q(Curr2tmp),
|
||||
|
||||
.wraddr(wrin_addr2),
|
||||
.wrbuf(iobuf),
|
||||
.data(wrpix),
|
||||
.wren(wrin_en)
|
||||
);
|
||||
|
||||
reg [1:0] wrout_addr1;
|
||||
reg [AWIDTH+1:0] wrout_addr2;
|
||||
reg wrout_en;
|
||||
reg [DWIDTH:0] wrdata;
|
||||
|
||||
hq2x_out #(.LENGTH(LENGTH), .DWIDTH(DWIDTH)) hq2x_out
|
||||
(
|
||||
.clk(clk),
|
||||
|
||||
.rdaddr(read_x),
|
||||
.rdbuf(read_y),
|
||||
.q(outpixel),
|
||||
|
||||
.wraddr(wrout_addr2),
|
||||
.wrbuf(wrout_addr1),
|
||||
.data(wrdata),
|
||||
.wren(wrout_en)
|
||||
);
|
||||
|
||||
always @(posedge clk) begin
|
||||
reg [AWIDTH:0] offs;
|
||||
reg old_reset_line;
|
||||
reg old_reset_frame;
|
||||
|
||||
wrout_en <= 0;
|
||||
wrin_en <= 0;
|
||||
|
||||
if(ce_x4) begin
|
||||
|
||||
pattern <= new_pattern;
|
||||
|
||||
if(~&offs) begin
|
||||
if (i == 0) begin
|
||||
Curr2_addr1 <= prevbuf;
|
||||
Curr2_addr2 <= offs;
|
||||
end
|
||||
if (i == 1) begin
|
||||
Prev2 <= Curr2;
|
||||
Curr2_addr1 <= curbuf;
|
||||
Curr2_addr2 <= offs;
|
||||
end
|
||||
if (i == 2) begin
|
||||
Next2 <= HALF_DEPTH ? h2rgb(inputpixel) : inputpixel;
|
||||
wrpix <= inputpixel;
|
||||
wrin_addr2 <= offs;
|
||||
wrin_en <= 1;
|
||||
end
|
||||
if (i == 3) begin
|
||||
offs <= offs + 1'd1;
|
||||
end
|
||||
|
||||
if(HALF_DEPTH) wrdata <= rgb2h(blend_result);
|
||||
else wrdata <= blend_result;
|
||||
|
||||
wrout_addr1 <= {curbuf, i[1]};
|
||||
wrout_addr2 <= {offs, i[1]^i[0]};
|
||||
wrout_en <= 1;
|
||||
end
|
||||
|
||||
if(i==3) begin
|
||||
nextpatt <= {new_pattern[7:6], new_pattern[3], new_pattern[5], new_pattern[2], new_pattern[4], new_pattern[1:0]};
|
||||
{A, G} <= {Prev0, Next0};
|
||||
{B, F, H, D} <= {Prev1, Curr2, Next1, Curr0};
|
||||
{Prev0, Prev1} <= {Prev1, Prev2};
|
||||
{Curr0, Curr1} <= {Curr1, Curr2};
|
||||
{Next0, Next1} <= {Next1, Next2};
|
||||
end else begin
|
||||
nextpatt <= {nextpatt[5], nextpatt[3], nextpatt[0], nextpatt[6], nextpatt[1], nextpatt[7], nextpatt[4], nextpatt[2]};
|
||||
{B, F, H, D} <= {F, H, D, B};
|
||||
end
|
||||
|
||||
i <= i + 1'b1;
|
||||
if(old_reset_line && ~reset_line) begin
|
||||
old_reset_frame <= reset_frame;
|
||||
offs <= 0;
|
||||
i <= 0;
|
||||
y <= y + 1'd1;
|
||||
prevbuf <= curbuf;
|
||||
if(old_reset_frame & ~reset_frame) begin
|
||||
y <= 0;
|
||||
prevbuf <= 0;
|
||||
end
|
||||
end
|
||||
|
||||
old_reset_line <= reset_line;
|
||||
end
|
||||
end
|
||||
|
||||
endmodule // Hq2x
|
||||
@@ -1,530 +0,0 @@
|
||||
//
|
||||
// mist_io.v
|
||||
//
|
||||
// mist_io for the MiST board
|
||||
// http://code.google.com/p/mist-board/
|
||||
//
|
||||
// Copyright (c) 2014 Till Harbaum <till@harbaum.org>
|
||||
// Copyright (c) 2015-2017 Sorgelig
|
||||
//
|
||||
// This source file is free software: you can redistribute it and/or modify
|
||||
// it under the terms of the GNU General Public License as published
|
||||
// by the Free Software Foundation, either version 3 of the License, or
|
||||
// (at your option) any later version.
|
||||
//
|
||||
// This source file is distributed in the hope that it will be useful,
|
||||
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
// GNU General Public License for more details.
|
||||
//
|
||||
// You should have received a copy of the GNU General Public License
|
||||
// along with this program. If not, see <http://www.gnu.org/licenses/>.
|
||||
//
|
||||
///////////////////////////////////////////////////////////////////////
|
||||
|
||||
//
|
||||
// Use buffer to access SD card. It's time-critical part.
|
||||
// Made module synchroneous with 2 clock domains: clk_sys and SPI_SCK
|
||||
// (Sorgelig)
|
||||
//
|
||||
// for synchronous projects default value for PS2DIV is fine for any frequency of system clock.
|
||||
// clk_ps2 = clk_sys/(PS2DIV*2)
|
||||
//
|
||||
|
||||
module mist_io #(parameter STRLEN=0, parameter PS2DIV=100)
|
||||
(
|
||||
|
||||
// parameter STRLEN and the actual length of conf_str have to match
|
||||
input [(8*STRLEN)-1:0] conf_str,
|
||||
|
||||
// Global clock. It should be around 100MHz (higher is better).
|
||||
input clk_sys,
|
||||
|
||||
// Global SPI clock from ARM. 24MHz
|
||||
input SPI_SCK,
|
||||
|
||||
input CONF_DATA0,
|
||||
input SPI_SS2,
|
||||
output SPI_DO,
|
||||
input SPI_DI,
|
||||
|
||||
output reg [7:0] joystick_0,
|
||||
output reg [7:0] joystick_1,
|
||||
// output reg [31:0] joystick_2,
|
||||
// output reg [31:0] joystick_3,
|
||||
// output reg [31:0] joystick_4,
|
||||
output reg [15:0] joystick_analog_0,
|
||||
output reg [15:0] joystick_analog_1,
|
||||
output [1:0] buttons,
|
||||
output [1:0] switches,
|
||||
output scandoublerD,
|
||||
output ypbpr,
|
||||
|
||||
output reg [31:0] status,
|
||||
|
||||
// SD config
|
||||
input sd_conf,
|
||||
input sd_sdhc,
|
||||
output [1:0] img_mounted, // signaling that new image has been mounted
|
||||
output reg [31:0] img_size, // size of image in bytes
|
||||
|
||||
// SD block level access
|
||||
input [31:0] sd_lba,
|
||||
input [1:0] sd_rd,
|
||||
input [1:0] sd_wr,
|
||||
output reg sd_ack,
|
||||
output reg sd_ack_conf,
|
||||
|
||||
// SD byte level access. Signals for 2-PORT altsyncram.
|
||||
output reg [8:0] sd_buff_addr,
|
||||
output reg [7:0] sd_buff_dout,
|
||||
input [7:0] sd_buff_din,
|
||||
output reg sd_buff_wr,
|
||||
|
||||
// ps2 keyboard emulation
|
||||
output ps2_kbd_clk,
|
||||
output reg ps2_kbd_data,
|
||||
output ps2_mouse_clk,
|
||||
output reg ps2_mouse_data,
|
||||
|
||||
// ps2 alternative interface.
|
||||
|
||||
// [8] - extended, [9] - pressed, [10] - toggles with every press/release
|
||||
output reg [10:0] ps2_key = 0,
|
||||
|
||||
// [24] - toggles with every event
|
||||
output reg [24:0] ps2_mouse = 0,
|
||||
|
||||
// ARM -> FPGA download
|
||||
input ioctl_ce,
|
||||
output reg ioctl_download = 0, // signal indicating an active download
|
||||
output reg [7:0] ioctl_index, // menu index used to upload the file
|
||||
output reg ioctl_wr = 0,
|
||||
output reg [24:0] ioctl_addr,
|
||||
output reg [7:0] ioctl_dout
|
||||
);
|
||||
|
||||
reg [7:0] but_sw;
|
||||
reg [2:0] stick_idx;
|
||||
|
||||
reg [1:0] mount_strobe = 0;
|
||||
assign img_mounted = mount_strobe;
|
||||
|
||||
assign buttons = but_sw[1:0];
|
||||
assign switches = but_sw[3:2];
|
||||
assign scandoublerD = but_sw[4];
|
||||
assign ypbpr = but_sw[5];
|
||||
|
||||
// this variant of user_io is for 8 bit cores (type == a4) only
|
||||
wire [7:0] core_type = 8'ha4;
|
||||
|
||||
// command byte read by the io controller
|
||||
wire drive_sel = sd_rd[1] | sd_wr[1];
|
||||
wire [7:0] sd_cmd = { 4'h6, sd_conf, sd_sdhc, sd_wr[drive_sel], sd_rd[drive_sel] };
|
||||
|
||||
reg [7:0] cmd;
|
||||
reg [2:0] bit_cnt; // counts bits 0-7 0-7 ...
|
||||
reg [9:0] byte_cnt; // counts bytes
|
||||
|
||||
reg spi_do;
|
||||
assign SPI_DO = CONF_DATA0 ? 1'bZ : spi_do;
|
||||
|
||||
reg [7:0] spi_data_out;
|
||||
|
||||
// SPI transmitter
|
||||
always@(negedge SPI_SCK) spi_do <= spi_data_out[~bit_cnt];
|
||||
|
||||
reg [7:0] spi_data_in;
|
||||
reg spi_data_ready = 0;
|
||||
|
||||
// SPI receiver
|
||||
always@(posedge SPI_SCK or posedge CONF_DATA0) begin
|
||||
reg [6:0] sbuf;
|
||||
reg [31:0] sd_lba_r;
|
||||
reg drive_sel_r;
|
||||
|
||||
if(CONF_DATA0) begin
|
||||
bit_cnt <= 0;
|
||||
byte_cnt <= 0;
|
||||
spi_data_out <= core_type;
|
||||
end
|
||||
else
|
||||
begin
|
||||
bit_cnt <= bit_cnt + 1'd1;
|
||||
sbuf <= {sbuf[5:0], SPI_DI};
|
||||
|
||||
// finished reading command byte
|
||||
if(bit_cnt == 7) begin
|
||||
if(!byte_cnt) cmd <= {sbuf, SPI_DI};
|
||||
|
||||
spi_data_in <= {sbuf, SPI_DI};
|
||||
spi_data_ready <= ~spi_data_ready;
|
||||
if(~&byte_cnt) byte_cnt <= byte_cnt + 8'd1;
|
||||
|
||||
spi_data_out <= 0;
|
||||
case({(!byte_cnt) ? {sbuf, SPI_DI} : cmd})
|
||||
// reading config string
|
||||
8'h14: if(byte_cnt < STRLEN) spi_data_out <= conf_str[(STRLEN - byte_cnt - 1)<<3 +:8];
|
||||
|
||||
// reading sd card status
|
||||
8'h16: if(byte_cnt == 0) begin
|
||||
spi_data_out <= sd_cmd;
|
||||
sd_lba_r <= sd_lba;
|
||||
drive_sel_r <= drive_sel;
|
||||
end else if (byte_cnt == 1) begin
|
||||
spi_data_out <= drive_sel_r;
|
||||
end else if(byte_cnt < 6) spi_data_out <= sd_lba_r[(5-byte_cnt)<<3 +:8];
|
||||
|
||||
// reading sd card write data
|
||||
8'h18: spi_data_out <= sd_buff_din;
|
||||
endcase
|
||||
end
|
||||
end
|
||||
end
|
||||
|
||||
reg [31:0] ps2_key_raw = 0;
|
||||
wire pressed = (ps2_key_raw[15:8] != 8'hf0);
|
||||
wire extended = (~pressed ? (ps2_key_raw[23:16] == 8'he0) : (ps2_key_raw[15:8] == 8'he0));
|
||||
|
||||
// transfer to clk_sys domain
|
||||
always@(posedge clk_sys) begin
|
||||
reg old_ss1, old_ss2;
|
||||
reg old_ready1, old_ready2;
|
||||
reg [2:0] b_wr;
|
||||
reg got_ps2 = 0;
|
||||
|
||||
old_ss1 <= CONF_DATA0;
|
||||
old_ss2 <= old_ss1;
|
||||
old_ready1 <= spi_data_ready;
|
||||
old_ready2 <= old_ready1;
|
||||
|
||||
sd_buff_wr <= b_wr[0];
|
||||
if(b_wr[2] && (~&sd_buff_addr)) sd_buff_addr <= sd_buff_addr + 1'b1;
|
||||
b_wr <= (b_wr<<1);
|
||||
|
||||
if(old_ss2) begin
|
||||
got_ps2 <= 0;
|
||||
sd_ack <= 0;
|
||||
sd_ack_conf <= 0;
|
||||
sd_buff_addr <= 0;
|
||||
if(got_ps2) begin
|
||||
if(cmd == 4) ps2_mouse[24] <= ~ps2_mouse[24];
|
||||
if(cmd == 5) begin
|
||||
ps2_key <= {~ps2_key[10], pressed, extended, ps2_key_raw[7:0]};
|
||||
if(ps2_key_raw == 'hE012E07C) ps2_key[9:0] <= 'h37C; // prnscr pressed
|
||||
if(ps2_key_raw == 'h7CE0F012) ps2_key[9:0] <= 'h17C; // prnscr released
|
||||
if(ps2_key_raw == 'hF014F077) ps2_key[9:0] <= 'h377; // pause pressed
|
||||
end
|
||||
end
|
||||
end
|
||||
else
|
||||
if(old_ready2 ^ old_ready1) begin
|
||||
|
||||
if(cmd == 8'h18 && ~&sd_buff_addr) sd_buff_addr <= sd_buff_addr + 1'b1;
|
||||
|
||||
if(byte_cnt < 2) begin
|
||||
|
||||
if (cmd == 8'h19) sd_ack_conf <= 1;
|
||||
if((cmd == 8'h17) || (cmd == 8'h18)) sd_ack <= 1;
|
||||
mount_strobe <= 0;
|
||||
|
||||
if(cmd == 5) ps2_key_raw <= 0;
|
||||
end else begin
|
||||
|
||||
case(cmd)
|
||||
// buttons and switches
|
||||
8'h01: but_sw <= spi_data_in;
|
||||
8'h02: joystick_0 <= spi_data_in;
|
||||
8'h03: joystick_1 <= spi_data_in;
|
||||
// 8'h60: if (byte_cnt < 5) joystick_0[(byte_cnt-1)<<3 +:8] <= spi_data_in;
|
||||
// 8'h61: if (byte_cnt < 5) joystick_1[(byte_cnt-1)<<3 +:8] <= spi_data_in;
|
||||
// 8'h62: if (byte_cnt < 5) joystick_2[(byte_cnt-1)<<3 +:8] <= spi_data_in;
|
||||
// 8'h63: if (byte_cnt < 5) joystick_3[(byte_cnt-1)<<3 +:8] <= spi_data_in;
|
||||
// 8'h64: if (byte_cnt < 5) joystick_4[(byte_cnt-1)<<3 +:8] <= spi_data_in;
|
||||
// store incoming ps2 mouse bytes
|
||||
8'h04: begin
|
||||
got_ps2 <= 1;
|
||||
case(byte_cnt)
|
||||
2: ps2_mouse[7:0] <= spi_data_in;
|
||||
3: ps2_mouse[15:8] <= spi_data_in;
|
||||
4: ps2_mouse[23:16] <= spi_data_in;
|
||||
endcase
|
||||
ps2_mouse_fifo[ps2_mouse_wptr] <= spi_data_in;
|
||||
ps2_mouse_wptr <= ps2_mouse_wptr + 1'd1;
|
||||
end
|
||||
|
||||
// store incoming ps2 keyboard bytes
|
||||
8'h05: begin
|
||||
got_ps2 <= 1;
|
||||
ps2_key_raw[31:0] <= {ps2_key_raw[23:0], spi_data_in};
|
||||
ps2_kbd_fifo[ps2_kbd_wptr] <= spi_data_in;
|
||||
ps2_kbd_wptr <= ps2_kbd_wptr + 1'd1;
|
||||
end
|
||||
|
||||
8'h15: status[7:0] <= spi_data_in;
|
||||
|
||||
// send SD config IO -> FPGA
|
||||
// flag that download begins
|
||||
// sd card knows data is config if sd_dout_strobe is asserted
|
||||
// with sd_ack still being inactive (low)
|
||||
8'h19,
|
||||
// send sector IO -> FPGA
|
||||
// flag that download begins
|
||||
8'h17: begin
|
||||
sd_buff_dout <= spi_data_in;
|
||||
b_wr <= 1;
|
||||
end
|
||||
|
||||
// joystick analog
|
||||
8'h1a: begin
|
||||
// first byte is joystick index
|
||||
if(byte_cnt == 2) stick_idx <= spi_data_in[2:0];
|
||||
else if(byte_cnt == 3) begin
|
||||
// second byte is x axis
|
||||
if(stick_idx == 0) joystick_analog_0[15:8] <= spi_data_in;
|
||||
else if(stick_idx == 1) joystick_analog_1[15:8] <= spi_data_in;
|
||||
end else if(byte_cnt == 4) begin
|
||||
// third byte is y axis
|
||||
if(stick_idx == 0) joystick_analog_0[7:0] <= spi_data_in;
|
||||
else if(stick_idx == 1) joystick_analog_1[7:0] <= spi_data_in;
|
||||
end
|
||||
end
|
||||
|
||||
// notify image selection
|
||||
8'h1c: mount_strobe[spi_data_in[0]] <= 1;
|
||||
|
||||
// send image info
|
||||
8'h1d: if(byte_cnt<6) img_size[(byte_cnt-2)<<3 +:8] <= spi_data_in;
|
||||
|
||||
// status, 32bit version
|
||||
8'h1e: if(byte_cnt<6) status[(byte_cnt-2)<<3 +:8] <= spi_data_in;
|
||||
default: ;
|
||||
endcase
|
||||
end
|
||||
end
|
||||
end
|
||||
|
||||
|
||||
/////////////////////////////// PS2 ///////////////////////////////
|
||||
// 8 byte fifos to store ps2 bytes
|
||||
localparam PS2_FIFO_BITS = 3;
|
||||
|
||||
reg clk_ps2;
|
||||
always @(negedge clk_sys) begin
|
||||
integer cnt;
|
||||
cnt <= cnt + 1'd1;
|
||||
if(cnt == PS2DIV) begin
|
||||
clk_ps2 <= ~clk_ps2;
|
||||
cnt <= 0;
|
||||
end
|
||||
end
|
||||
|
||||
// keyboard
|
||||
reg [7:0] ps2_kbd_fifo[1<<PS2_FIFO_BITS];
|
||||
reg [PS2_FIFO_BITS-1:0] ps2_kbd_wptr;
|
||||
reg [PS2_FIFO_BITS-1:0] ps2_kbd_rptr;
|
||||
|
||||
// ps2 transmitter state machine
|
||||
reg [3:0] ps2_kbd_tx_state;
|
||||
reg [7:0] ps2_kbd_tx_byte;
|
||||
reg ps2_kbd_parity;
|
||||
|
||||
assign ps2_kbd_clk = clk_ps2 || (ps2_kbd_tx_state == 0);
|
||||
|
||||
// ps2 transmitter
|
||||
// Takes a byte from the FIFO and sends it in a ps2 compliant serial format.
|
||||
reg ps2_kbd_r_inc;
|
||||
always@(posedge clk_sys) begin
|
||||
reg old_clk;
|
||||
old_clk <= clk_ps2;
|
||||
if(~old_clk & clk_ps2) begin
|
||||
ps2_kbd_r_inc <= 0;
|
||||
|
||||
if(ps2_kbd_r_inc) ps2_kbd_rptr <= ps2_kbd_rptr + 1'd1;
|
||||
|
||||
// transmitter is idle?
|
||||
if(ps2_kbd_tx_state == 0) begin
|
||||
// data in fifo present?
|
||||
if(ps2_kbd_wptr != ps2_kbd_rptr) begin
|
||||
// load tx register from fifo
|
||||
ps2_kbd_tx_byte <= ps2_kbd_fifo[ps2_kbd_rptr];
|
||||
ps2_kbd_r_inc <= 1;
|
||||
|
||||
// reset parity
|
||||
ps2_kbd_parity <= 1;
|
||||
|
||||
// start transmitter
|
||||
ps2_kbd_tx_state <= 1;
|
||||
|
||||
// put start bit on data line
|
||||
ps2_kbd_data <= 0; // start bit is 0
|
||||
end
|
||||
end else begin
|
||||
|
||||
// transmission of 8 data bits
|
||||
if((ps2_kbd_tx_state >= 1)&&(ps2_kbd_tx_state < 9)) begin
|
||||
ps2_kbd_data <= ps2_kbd_tx_byte[0]; // data bits
|
||||
ps2_kbd_tx_byte[6:0] <= ps2_kbd_tx_byte[7:1]; // shift down
|
||||
if(ps2_kbd_tx_byte[0])
|
||||
ps2_kbd_parity <= !ps2_kbd_parity;
|
||||
end
|
||||
|
||||
// transmission of parity
|
||||
if(ps2_kbd_tx_state == 9) ps2_kbd_data <= ps2_kbd_parity;
|
||||
|
||||
// transmission of stop bit
|
||||
if(ps2_kbd_tx_state == 10) ps2_kbd_data <= 1; // stop bit is 1
|
||||
|
||||
// advance state machine
|
||||
if(ps2_kbd_tx_state < 11) ps2_kbd_tx_state <= ps2_kbd_tx_state + 1'd1;
|
||||
else ps2_kbd_tx_state <= 0;
|
||||
end
|
||||
end
|
||||
end
|
||||
|
||||
// mouse
|
||||
reg [7:0] ps2_mouse_fifo[1<<PS2_FIFO_BITS];
|
||||
reg [PS2_FIFO_BITS-1:0] ps2_mouse_wptr;
|
||||
reg [PS2_FIFO_BITS-1:0] ps2_mouse_rptr;
|
||||
|
||||
// ps2 transmitter state machine
|
||||
reg [3:0] ps2_mouse_tx_state;
|
||||
reg [7:0] ps2_mouse_tx_byte;
|
||||
reg ps2_mouse_parity;
|
||||
|
||||
assign ps2_mouse_clk = clk_ps2 || (ps2_mouse_tx_state == 0);
|
||||
|
||||
// ps2 transmitter
|
||||
// Takes a byte from the FIFO and sends it in a ps2 compliant serial format.
|
||||
reg ps2_mouse_r_inc;
|
||||
always@(posedge clk_sys) begin
|
||||
reg old_clk;
|
||||
old_clk <= clk_ps2;
|
||||
if(~old_clk & clk_ps2) begin
|
||||
ps2_mouse_r_inc <= 0;
|
||||
|
||||
if(ps2_mouse_r_inc) ps2_mouse_rptr <= ps2_mouse_rptr + 1'd1;
|
||||
|
||||
// transmitter is idle?
|
||||
if(ps2_mouse_tx_state == 0) begin
|
||||
// data in fifo present?
|
||||
if(ps2_mouse_wptr != ps2_mouse_rptr) begin
|
||||
// load tx register from fifo
|
||||
ps2_mouse_tx_byte <= ps2_mouse_fifo[ps2_mouse_rptr];
|
||||
ps2_mouse_r_inc <= 1;
|
||||
|
||||
// reset parity
|
||||
ps2_mouse_parity <= 1;
|
||||
|
||||
// start transmitter
|
||||
ps2_mouse_tx_state <= 1;
|
||||
|
||||
// put start bit on data line
|
||||
ps2_mouse_data <= 0; // start bit is 0
|
||||
end
|
||||
end else begin
|
||||
|
||||
// transmission of 8 data bits
|
||||
if((ps2_mouse_tx_state >= 1)&&(ps2_mouse_tx_state < 9)) begin
|
||||
ps2_mouse_data <= ps2_mouse_tx_byte[0]; // data bits
|
||||
ps2_mouse_tx_byte[6:0] <= ps2_mouse_tx_byte[7:1]; // shift down
|
||||
if(ps2_mouse_tx_byte[0])
|
||||
ps2_mouse_parity <= !ps2_mouse_parity;
|
||||
end
|
||||
|
||||
// transmission of parity
|
||||
if(ps2_mouse_tx_state == 9) ps2_mouse_data <= ps2_mouse_parity;
|
||||
|
||||
// transmission of stop bit
|
||||
if(ps2_mouse_tx_state == 10) ps2_mouse_data <= 1; // stop bit is 1
|
||||
|
||||
// advance state machine
|
||||
if(ps2_mouse_tx_state < 11) ps2_mouse_tx_state <= ps2_mouse_tx_state + 1'd1;
|
||||
else ps2_mouse_tx_state <= 0;
|
||||
end
|
||||
end
|
||||
end
|
||||
|
||||
|
||||
/////////////////////////////// DOWNLOADING ///////////////////////////////
|
||||
|
||||
reg [7:0] data_w;
|
||||
reg [24:0] addr_w;
|
||||
reg rclk = 0;
|
||||
|
||||
localparam UIO_FILE_TX = 8'h53;
|
||||
localparam UIO_FILE_TX_DAT = 8'h54;
|
||||
localparam UIO_FILE_INDEX = 8'h55;
|
||||
|
||||
reg rdownload = 0;
|
||||
|
||||
// data_io has its own SPI interface to the io controller
|
||||
always@(posedge SPI_SCK, posedge SPI_SS2) begin
|
||||
reg [6:0] sbuf;
|
||||
reg [7:0] cmd;
|
||||
reg [4:0] cnt;
|
||||
reg [24:0] addr;
|
||||
|
||||
if(SPI_SS2) cnt <= 0;
|
||||
else begin
|
||||
// don't shift in last bit. It is evaluated directly
|
||||
// when writing to ram
|
||||
if(cnt != 15) sbuf <= { sbuf[5:0], SPI_DI};
|
||||
|
||||
// count 0-7 8-15 8-15 ...
|
||||
if(cnt < 15) cnt <= cnt + 1'd1;
|
||||
else cnt <= 8;
|
||||
|
||||
// finished command byte
|
||||
if(cnt == 7) cmd <= {sbuf, SPI_DI};
|
||||
|
||||
// prepare/end transmission
|
||||
if((cmd == UIO_FILE_TX) && (cnt == 15)) begin
|
||||
// prepare
|
||||
if(SPI_DI) begin
|
||||
case(ioctl_index[4:0])
|
||||
1: addr <= 25'h200000; // TRD buffer at 2MB
|
||||
2: addr <= 25'h400000; // tape buffer at 4MB
|
||||
default: addr <= 25'h150000; // boot rom
|
||||
endcase
|
||||
rdownload <= 1;
|
||||
end else begin
|
||||
addr_w <= addr;
|
||||
rdownload <= 0;
|
||||
end
|
||||
end
|
||||
|
||||
// command 0x54: UIO_FILE_TX
|
||||
if((cmd == UIO_FILE_TX_DAT) && (cnt == 15)) begin
|
||||
addr_w <= addr;
|
||||
data_w <= {sbuf, SPI_DI};
|
||||
addr <= addr + 1'd1;
|
||||
rclk <= ~rclk;
|
||||
end
|
||||
|
||||
// expose file (menu) index
|
||||
if((cmd == UIO_FILE_INDEX) && (cnt == 15)) ioctl_index <= {sbuf, SPI_DI};
|
||||
end
|
||||
end
|
||||
|
||||
// transfer to ioctl_clk domain.
|
||||
// ioctl_index is set before ioctl_download, so it's stable already
|
||||
always@(posedge clk_sys) begin
|
||||
reg rclkD, rclkD2;
|
||||
|
||||
if(ioctl_ce) begin
|
||||
ioctl_download <= rdownload;
|
||||
|
||||
rclkD <= rclk;
|
||||
rclkD2 <= rclkD;
|
||||
ioctl_wr <= 0;
|
||||
|
||||
if(rclkD != rclkD2) begin
|
||||
ioctl_dout <= data_w;
|
||||
ioctl_addr <= addr_w;
|
||||
ioctl_wr <= 1;
|
||||
end
|
||||
end
|
||||
end
|
||||
|
||||
endmodule
|
||||
@@ -1,194 +0,0 @@
|
||||
// A simple OSD implementation. Can be hooked up between a cores
|
||||
// VGA output and the physical VGA pins
|
||||
|
||||
module osd (
|
||||
// OSDs pixel clock, should be synchronous to cores pixel clock to
|
||||
// avoid jitter.
|
||||
input clk_sys,
|
||||
|
||||
// SPI interface
|
||||
input SPI_SCK,
|
||||
input SPI_SS3,
|
||||
input SPI_DI,
|
||||
|
||||
input [1:0] rotate, //[0] - rotate [1] - left or right
|
||||
|
||||
// VGA signals coming from core
|
||||
input [5:0] R_in,
|
||||
input [5:0] G_in,
|
||||
input [5:0] B_in,
|
||||
input HSync,
|
||||
input VSync,
|
||||
|
||||
// VGA signals going to video connector
|
||||
output [5:0] R_out,
|
||||
output [5:0] G_out,
|
||||
output [5:0] B_out
|
||||
);
|
||||
|
||||
parameter OSD_X_OFFSET = 10'd0;
|
||||
parameter OSD_Y_OFFSET = 10'd0;
|
||||
parameter OSD_COLOR = 3'd0;
|
||||
|
||||
localparam OSD_WIDTH = 10'd256;
|
||||
localparam OSD_HEIGHT = 10'd128;
|
||||
|
||||
// *********************************************************************************
|
||||
// spi client
|
||||
// *********************************************************************************
|
||||
|
||||
// this core supports only the display related OSD commands
|
||||
// of the minimig
|
||||
reg osd_enable;
|
||||
(* ramstyle = "no_rw_check" *) reg [7:0] osd_buffer[2047:0]; // the OSD buffer itself
|
||||
|
||||
// the OSD has its own SPI interface to the io controller
|
||||
always@(posedge SPI_SCK, posedge SPI_SS3) begin
|
||||
reg [4:0] cnt;
|
||||
reg [10:0] bcnt;
|
||||
reg [7:0] sbuf;
|
||||
reg [7:0] cmd;
|
||||
|
||||
if(SPI_SS3) begin
|
||||
cnt <= 0;
|
||||
bcnt <= 0;
|
||||
end else begin
|
||||
sbuf <= {sbuf[6:0], SPI_DI};
|
||||
|
||||
// 0:7 is command, rest payload
|
||||
if(cnt < 15) cnt <= cnt + 1'd1;
|
||||
else cnt <= 8;
|
||||
|
||||
if(cnt == 7) begin
|
||||
cmd <= {sbuf[6:0], SPI_DI};
|
||||
|
||||
// lower three command bits are line address
|
||||
bcnt <= {sbuf[1:0], SPI_DI, 8'h00};
|
||||
|
||||
// command 0x40: OSDCMDENABLE, OSDCMDDISABLE
|
||||
if(sbuf[6:3] == 4'b0100) osd_enable <= SPI_DI;
|
||||
end
|
||||
|
||||
// command 0x20: OSDCMDWRITE
|
||||
if((cmd[7:3] == 5'b00100) && (cnt == 15)) begin
|
||||
osd_buffer[bcnt] <= {sbuf[6:0], SPI_DI};
|
||||
bcnt <= bcnt + 1'd1;
|
||||
end
|
||||
end
|
||||
end
|
||||
|
||||
// *********************************************************************************
|
||||
// video timing and sync polarity anaylsis
|
||||
// *********************************************************************************
|
||||
|
||||
// horizontal counter
|
||||
reg [9:0] h_cnt;
|
||||
reg [9:0] hs_low, hs_high;
|
||||
wire hs_pol = hs_high < hs_low;
|
||||
wire [9:0] dsp_width = hs_pol ? hs_low : hs_high;
|
||||
|
||||
// vertical counter
|
||||
reg [9:0] v_cnt;
|
||||
reg [9:0] vs_low, vs_high;
|
||||
wire vs_pol = vs_high < vs_low;
|
||||
wire [9:0] dsp_height = vs_pol ? vs_low : vs_high;
|
||||
|
||||
wire doublescan = (dsp_height>350);
|
||||
|
||||
reg ce_pix;
|
||||
always @(negedge clk_sys) begin
|
||||
integer cnt = 0;
|
||||
integer pixsz, pixcnt;
|
||||
reg hs;
|
||||
|
||||
cnt <= cnt + 1;
|
||||
hs <= HSync;
|
||||
|
||||
pixcnt <= pixcnt + 1;
|
||||
if(pixcnt == pixsz) pixcnt <= 0;
|
||||
ce_pix <= !pixcnt;
|
||||
|
||||
if(hs && ~HSync) begin
|
||||
cnt <= 0;
|
||||
pixsz <= (cnt >> 9) - 1;
|
||||
pixcnt <= 0;
|
||||
ce_pix <= 1;
|
||||
end
|
||||
end
|
||||
|
||||
always @(posedge clk_sys) begin
|
||||
reg hsD, hsD2;
|
||||
reg vsD, vsD2;
|
||||
|
||||
if(ce_pix) begin
|
||||
// bring hsync into local clock domain
|
||||
hsD <= HSync;
|
||||
hsD2 <= hsD;
|
||||
|
||||
// falling edge of HSync
|
||||
if(!hsD && hsD2) begin
|
||||
h_cnt <= 0;
|
||||
hs_high <= h_cnt;
|
||||
end
|
||||
|
||||
// rising edge of HSync
|
||||
else if(hsD && !hsD2) begin
|
||||
h_cnt <= 0;
|
||||
hs_low <= h_cnt;
|
||||
v_cnt <= v_cnt + 1'd1;
|
||||
end else begin
|
||||
h_cnt <= h_cnt + 1'd1;
|
||||
end
|
||||
|
||||
vsD <= VSync;
|
||||
vsD2 <= vsD;
|
||||
|
||||
// falling edge of VSync
|
||||
if(!vsD && vsD2) begin
|
||||
v_cnt <= 0;
|
||||
vs_high <= v_cnt;
|
||||
end
|
||||
|
||||
// rising edge of VSync
|
||||
else if(vsD && !vsD2) begin
|
||||
v_cnt <= 0;
|
||||
vs_low <= v_cnt;
|
||||
end
|
||||
end
|
||||
end
|
||||
|
||||
// area in which OSD is being displayed
|
||||
wire [9:0] h_osd_start = ((dsp_width - OSD_WIDTH)>> 1) + OSD_X_OFFSET;
|
||||
wire [9:0] h_osd_end = h_osd_start + OSD_WIDTH;
|
||||
wire [9:0] v_osd_start = ((dsp_height- (OSD_HEIGHT<<doublescan))>> 1) + OSD_Y_OFFSET;
|
||||
wire [9:0] v_osd_end = v_osd_start + (OSD_HEIGHT<<doublescan);
|
||||
wire [9:0] osd_hcnt = h_cnt - h_osd_start;
|
||||
wire [9:0] osd_vcnt = v_cnt - v_osd_start;
|
||||
wire [9:0] osd_hcnt_next = osd_hcnt + 2'd1; // one pixel offset for osd pixel
|
||||
wire [9:0] osd_hcnt_next2 = osd_hcnt + 2'd2; // two pixel offset for osd byte address register
|
||||
|
||||
wire osd_de = osd_enable &&
|
||||
(HSync != hs_pol) && (h_cnt >= h_osd_start) && (h_cnt < h_osd_end) &&
|
||||
(VSync != vs_pol) && (v_cnt >= v_osd_start) && (v_cnt < v_osd_end);
|
||||
|
||||
reg [10:0] osd_buffer_addr;
|
||||
wire [7:0] osd_byte = osd_buffer[osd_buffer_addr];
|
||||
reg osd_pixel;
|
||||
|
||||
always @(posedge clk_sys) begin
|
||||
if(ce_pix) begin
|
||||
osd_buffer_addr <= rotate[0] ? {rotate[1] ? osd_hcnt_next2[7:5] : ~osd_hcnt_next2[7:5],
|
||||
rotate[1] ? (doublescan ? ~osd_vcnt[7:0] : ~{osd_vcnt[6:0], 1'b0}) :
|
||||
(doublescan ? osd_vcnt[7:0] : {osd_vcnt[6:0], 1'b0})} :
|
||||
{doublescan ? osd_vcnt[7:5] : osd_vcnt[6:4], osd_hcnt_next2[7:0]};
|
||||
|
||||
osd_pixel <= rotate[0] ? osd_byte[rotate[1] ? osd_hcnt_next[4:2] : ~osd_hcnt_next[4:2]] :
|
||||
osd_byte[doublescan ? osd_vcnt[4:2] : osd_vcnt[3:1]];
|
||||
end
|
||||
end
|
||||
|
||||
assign R_out = !osd_de ? R_in : {osd_pixel, osd_pixel, OSD_COLOR[2], R_in[5:3]};
|
||||
assign G_out = !osd_de ? G_in : {osd_pixel, osd_pixel, OSD_COLOR[1], G_in[5:3]};
|
||||
assign B_out = !osd_de ? B_in : {osd_pixel, osd_pixel, OSD_COLOR[0], B_in[5:3]};
|
||||
|
||||
endmodule
|
||||
@@ -1,195 +0,0 @@
|
||||
//
|
||||
// scandoubler.v
|
||||
//
|
||||
// Copyright (c) 2015 Till Harbaum <till@harbaum.org>
|
||||
// Copyright (c) 2017 Sorgelig
|
||||
//
|
||||
// This source file is free software: you can redistribute it and/or modify
|
||||
// it under the terms of the GNU General Public License as published
|
||||
// by the Free Software Foundation, either version 3 of the License, or
|
||||
// (at your option) any later version.
|
||||
//
|
||||
// This source file is distributed in the hope that it will be useful,
|
||||
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
// GNU General Public License for more details.
|
||||
//
|
||||
// You should have received a copy of the GNU General Public License
|
||||
// along with this program. If not, see <http://www.gnu.org/licenses/>.
|
||||
|
||||
// TODO: Delay vsync one line
|
||||
|
||||
module scandoubler #(parameter LENGTH, parameter HALF_DEPTH)
|
||||
(
|
||||
// system interface
|
||||
input clk_sys,
|
||||
input ce_pix,
|
||||
input ce_pix_actual,
|
||||
|
||||
input hq2x,
|
||||
|
||||
// shifter video interface
|
||||
input hs_in,
|
||||
input vs_in,
|
||||
input line_start,
|
||||
|
||||
input [DWIDTH:0] r_in,
|
||||
input [DWIDTH:0] g_in,
|
||||
input [DWIDTH:0] b_in,
|
||||
input mono,
|
||||
|
||||
// output interface
|
||||
output reg hs_out,
|
||||
output vs_out,
|
||||
output [DWIDTH:0] r_out,
|
||||
output [DWIDTH:0] g_out,
|
||||
output [DWIDTH:0] b_out
|
||||
);
|
||||
|
||||
|
||||
localparam DWIDTH = HALF_DEPTH ? 2 : 5;
|
||||
|
||||
assign vs_out = vs_in;
|
||||
|
||||
reg [2:0] phase;
|
||||
reg [2:0] ce_div;
|
||||
reg [7:0] pix_len = 0;
|
||||
wire [7:0] pl = pix_len + 1'b1;
|
||||
|
||||
reg ce_x1, ce_x4;
|
||||
reg req_line_reset;
|
||||
wire ls_in = hs_in | line_start;
|
||||
always @(negedge clk_sys) begin
|
||||
reg old_ce;
|
||||
reg [2:0] ce_cnt;
|
||||
|
||||
reg [7:0] pixsz2, pixsz4 = 0;
|
||||
|
||||
old_ce <= ce_pix;
|
||||
if(~&pix_len) pix_len <= pix_len + 1'd1;
|
||||
|
||||
ce_x4 <= 0;
|
||||
ce_x1 <= 0;
|
||||
|
||||
// use such odd comparison to place c_x4 evenly if master clock isn't multiple 4.
|
||||
if((pl == pixsz4) || (pl == pixsz2) || (pl == (pixsz2+pixsz4))) begin
|
||||
phase <= phase + 1'd1;
|
||||
ce_x4 <= 1;
|
||||
end
|
||||
|
||||
if(~old_ce & ce_pix) begin
|
||||
pixsz2 <= {1'b0, pl[7:1]};
|
||||
pixsz4 <= {2'b00, pl[7:2]};
|
||||
ce_x1 <= 1;
|
||||
ce_x4 <= 1;
|
||||
pix_len <= 0;
|
||||
phase <= phase + 1'd1;
|
||||
|
||||
ce_cnt <= ce_cnt + 1'd1;
|
||||
if(ce_pix_actual) begin
|
||||
phase <= 0;
|
||||
ce_div <= ce_cnt + 1'd1;
|
||||
ce_cnt <= 0;
|
||||
req_line_reset <= 0;
|
||||
end
|
||||
|
||||
if(ls_in) req_line_reset <= 1;
|
||||
end
|
||||
end
|
||||
|
||||
reg ce_sd;
|
||||
always @(*) begin
|
||||
case(ce_div)
|
||||
2: ce_sd = !phase[0];
|
||||
4: ce_sd = !phase[1:0];
|
||||
default: ce_sd <= 1;
|
||||
endcase
|
||||
end
|
||||
|
||||
`define BITS_TO_FIT(N) ( \
|
||||
N <= 2 ? 0 : \
|
||||
N <= 4 ? 1 : \
|
||||
N <= 8 ? 2 : \
|
||||
N <= 16 ? 3 : \
|
||||
N <= 32 ? 4 : \
|
||||
N <= 64 ? 5 : \
|
||||
N <= 128 ? 6 : \
|
||||
N <= 256 ? 7 : \
|
||||
N <= 512 ? 8 : \
|
||||
N <=1024 ? 9 : 10 )
|
||||
|
||||
localparam AWIDTH = `BITS_TO_FIT(LENGTH);
|
||||
Hq2x #(.LENGTH(LENGTH), .HALF_DEPTH(HALF_DEPTH)) Hq2x
|
||||
(
|
||||
.clk(clk_sys),
|
||||
.ce_x4(ce_x4 & ce_sd),
|
||||
.inputpixel({b_in,g_in,r_in}),
|
||||
.mono(mono),
|
||||
.disable_hq2x(~hq2x),
|
||||
.reset_frame(vs_in),
|
||||
.reset_line(req_line_reset),
|
||||
.read_y(sd_line),
|
||||
.read_x(sd_h_actual),
|
||||
.outpixel({b_out,g_out,r_out})
|
||||
);
|
||||
|
||||
reg [10:0] sd_h_actual;
|
||||
always @(*) begin
|
||||
case(ce_div)
|
||||
2: sd_h_actual = sd_h[10:1];
|
||||
4: sd_h_actual = sd_h[10:2];
|
||||
default: sd_h_actual = sd_h;
|
||||
endcase
|
||||
end
|
||||
|
||||
reg [10:0] sd_h;
|
||||
reg [1:0] sd_line;
|
||||
always @(posedge clk_sys) begin
|
||||
|
||||
reg [11:0] hs_max,hs_rise,hs_ls;
|
||||
reg [10:0] hcnt;
|
||||
reg [11:0] sd_hcnt;
|
||||
|
||||
reg hs, hs2, vs, ls;
|
||||
|
||||
if(ce_x1) begin
|
||||
hs <= hs_in;
|
||||
ls <= ls_in;
|
||||
|
||||
if(ls && !ls_in) hs_ls <= {hcnt,1'b1};
|
||||
|
||||
// falling edge of hsync indicates start of line
|
||||
if(hs && !hs_in) begin
|
||||
hs_max <= {hcnt,1'b1};
|
||||
hcnt <= 0;
|
||||
if(ls && !ls_in) hs_ls <= {10'd0,1'b1};
|
||||
end else begin
|
||||
hcnt <= hcnt + 1'd1;
|
||||
end
|
||||
|
||||
// save position of rising edge
|
||||
if(!hs && hs_in) hs_rise <= {hcnt,1'b1};
|
||||
|
||||
vs <= vs_in;
|
||||
if(vs && ~vs_in) sd_line <= 0;
|
||||
end
|
||||
|
||||
if(ce_x4) begin
|
||||
hs2 <= hs_in;
|
||||
|
||||
// output counter synchronous to input and at twice the rate
|
||||
sd_hcnt <= sd_hcnt + 1'd1;
|
||||
sd_h <= sd_h + 1'd1;
|
||||
if(hs2 && !hs_in) sd_hcnt <= hs_max;
|
||||
if(sd_hcnt == hs_max) sd_hcnt <= 0;
|
||||
|
||||
// replicate horizontal sync at twice the speed
|
||||
if(sd_hcnt == hs_max) hs_out <= 0;
|
||||
if(sd_hcnt == hs_rise) hs_out <= 1;
|
||||
|
||||
if(sd_hcnt == hs_ls) sd_h <= 0;
|
||||
if(sd_hcnt == hs_ls) sd_line <= sd_line + 1'd1;
|
||||
end
|
||||
end
|
||||
|
||||
endmodule
|
||||
@@ -121,7 +121,7 @@ begin
|
||||
end if;
|
||||
|
||||
if vcnt = (495+1+0) then vblank <= '1';
|
||||
elsif vcnt = (271+1+1) then vblank <= '0';
|
||||
elsif vcnt = (271+1+0) then vblank <= '0';
|
||||
end if;
|
||||
|
||||
end if;
|
||||
|
||||
@@ -1,243 +0,0 @@
|
||||
//
|
||||
//
|
||||
// Copyright (c) 2017 Sorgelig
|
||||
//
|
||||
// This program is GPL Licensed. See COPYING for the full license.
|
||||
//
|
||||
//
|
||||
////////////////////////////////////////////////////////////////////////////////////////////////////////
|
||||
|
||||
`timescale 1ns / 1ps
|
||||
|
||||
//
|
||||
// LINE_LENGTH: Length of display line in pixels
|
||||
// Usually it's length from HSync to HSync.
|
||||
// May be less if line_start is used.
|
||||
//
|
||||
// HALF_DEPTH: If =1 then color dept is 3 bits per component
|
||||
// For half depth 6 bits monochrome is available with
|
||||
// mono signal enabled and color = {G, R}
|
||||
|
||||
module video_mixer
|
||||
#(
|
||||
parameter LINE_LENGTH = 480,
|
||||
parameter HALF_DEPTH = 1,
|
||||
|
||||
parameter OSD_COLOR = 3'd4,
|
||||
parameter OSD_X_OFFSET = 10'd0,
|
||||
parameter OSD_Y_OFFSET = 10'd0
|
||||
)
|
||||
(
|
||||
// master clock
|
||||
// it should be multiple by (ce_pix*4).
|
||||
input clk_sys,
|
||||
|
||||
// Pixel clock or clock_enable (both are accepted).
|
||||
input ce_pix,
|
||||
|
||||
// Some systems have multiple resolutions.
|
||||
// ce_pix_actual should match ce_pix where every second or fourth pulse is enabled,
|
||||
// thus half or qurter resolutions can be used without brake video sync while switching resolutions.
|
||||
// For fixed single resolution (or when video sync stability isn't required) ce_pix_actual = ce_pix.
|
||||
input ce_pix_actual,
|
||||
|
||||
// OSD SPI interface
|
||||
input SPI_SCK,
|
||||
input SPI_SS3,
|
||||
input SPI_DI,
|
||||
|
||||
// scanlines (00-none 01-25% 10-50% 11-75%)
|
||||
input [1:0] scanlines,
|
||||
|
||||
// 0 = HVSync 31KHz, 1 = CSync 15KHz
|
||||
input scandoublerD,
|
||||
|
||||
// High quality 2x scaling
|
||||
input hq2x,
|
||||
|
||||
// YPbPr always uses composite sync
|
||||
input ypbpr,
|
||||
|
||||
// 0 = 16-240 range. 1 = 0-255 range. (only for YPbPr color space)
|
||||
input ypbpr_full,
|
||||
input [1:0] rotate, //[0] - rotate [1] - left or right
|
||||
// color
|
||||
input [DWIDTH:0] R,
|
||||
input [DWIDTH:0] G,
|
||||
input [DWIDTH:0] B,
|
||||
|
||||
// Monochrome mode (for HALF_DEPTH only)
|
||||
input mono,
|
||||
|
||||
// interlace sync. Positive pulses.
|
||||
input HSync,
|
||||
input VSync,
|
||||
|
||||
// Falling of this signal means start of informative part of line.
|
||||
// It can be horizontal blank signal.
|
||||
// This signal can be used to reduce amount of required FPGA RAM for HQ2x scan doubler
|
||||
// If FPGA RAM is not an issue, then simply set it to 0 for whole line processing.
|
||||
// Keep in mind: due to algo first and last pixels of line should be black to avoid side artefacts.
|
||||
// Thus, if blank signal is used to reduce the line, make sure to feed at least one black (or paper) pixel
|
||||
// before first informative pixel.
|
||||
input line_start,
|
||||
|
||||
// MiST video output signals
|
||||
output [5:0] VGA_R,
|
||||
output [5:0] VGA_G,
|
||||
output [5:0] VGA_B,
|
||||
output VGA_VS,
|
||||
output VGA_HS
|
||||
);
|
||||
|
||||
localparam DWIDTH = HALF_DEPTH ? 2 : 5;
|
||||
|
||||
wire [DWIDTH:0] R_sd;
|
||||
wire [DWIDTH:0] G_sd;
|
||||
wire [DWIDTH:0] B_sd;
|
||||
wire hs_sd, vs_sd;
|
||||
|
||||
scandoubler #(.LENGTH(LINE_LENGTH), .HALF_DEPTH(HALF_DEPTH)) scandoubler
|
||||
(
|
||||
.*,
|
||||
.hs_in(HSync),
|
||||
.vs_in(VSync),
|
||||
.r_in(R),
|
||||
.g_in(G),
|
||||
.b_in(B),
|
||||
|
||||
.hs_out(hs_sd),
|
||||
.vs_out(vs_sd),
|
||||
.r_out(R_sd),
|
||||
.g_out(G_sd),
|
||||
.b_out(B_sd)
|
||||
);
|
||||
|
||||
wire [DWIDTH:0] rt = (scandoublerD ? R : R_sd);
|
||||
wire [DWIDTH:0] gt = (scandoublerD ? G : G_sd);
|
||||
wire [DWIDTH:0] bt = (scandoublerD ? B : B_sd);
|
||||
|
||||
generate
|
||||
if(HALF_DEPTH) begin
|
||||
wire [5:0] r = mono ? {gt,rt} : {rt,rt};
|
||||
wire [5:0] g = mono ? {gt,rt} : {gt,gt};
|
||||
wire [5:0] b = mono ? {gt,rt} : {bt,bt};
|
||||
end else begin
|
||||
wire [5:0] r = rt;
|
||||
wire [5:0] g = gt;
|
||||
wire [5:0] b = bt;
|
||||
end
|
||||
endgenerate
|
||||
|
||||
wire hs = (scandoublerD ? HSync : hs_sd);
|
||||
wire vs = (scandoublerD ? VSync : vs_sd);
|
||||
|
||||
reg scanline = 0;
|
||||
always @(posedge clk_sys) begin
|
||||
reg old_hs, old_vs;
|
||||
|
||||
old_hs <= hs;
|
||||
old_vs <= vs;
|
||||
|
||||
if(old_hs && ~hs) scanline <= ~scanline;
|
||||
if(old_vs && ~vs) scanline <= 0;
|
||||
end
|
||||
|
||||
wire [5:0] r_out, g_out, b_out;
|
||||
always @(*) begin
|
||||
case(scanlines & {scanline, scanline})
|
||||
1: begin // reduce 25% = 1/2 + 1/4
|
||||
r_out = {1'b0, r[5:1]} + {2'b00, r[5:2]};
|
||||
g_out = {1'b0, g[5:1]} + {2'b00, g[5:2]};
|
||||
b_out = {1'b0, b[5:1]} + {2'b00, b[5:2]};
|
||||
end
|
||||
|
||||
2: begin // reduce 50% = 1/2
|
||||
r_out = {1'b0, r[5:1]};
|
||||
g_out = {1'b0, g[5:1]};
|
||||
b_out = {1'b0, b[5:1]};
|
||||
end
|
||||
|
||||
3: begin // reduce 75% = 1/4
|
||||
r_out = {2'b00, r[5:2]};
|
||||
g_out = {2'b00, g[5:2]};
|
||||
b_out = {2'b00, b[5:2]};
|
||||
end
|
||||
|
||||
default: begin
|
||||
r_out = r;
|
||||
g_out = g;
|
||||
b_out = b;
|
||||
end
|
||||
endcase
|
||||
end
|
||||
|
||||
wire [5:0] red, green, blue;
|
||||
osd #(OSD_X_OFFSET, OSD_Y_OFFSET, OSD_COLOR) osd
|
||||
(
|
||||
.*,
|
||||
|
||||
.R_in(r_out),
|
||||
.G_in(g_out),
|
||||
.B_in(b_out),
|
||||
.HSync(hs),
|
||||
.VSync(vs),
|
||||
.rotate(rotate),
|
||||
|
||||
.R_out(red),
|
||||
.G_out(green),
|
||||
.B_out(blue)
|
||||
);
|
||||
|
||||
wire [5:0] yuv_full[225] = '{
|
||||
6'd0, 6'd0, 6'd0, 6'd0, 6'd1, 6'd1, 6'd1, 6'd1,
|
||||
6'd2, 6'd2, 6'd2, 6'd3, 6'd3, 6'd3, 6'd3, 6'd4,
|
||||
6'd4, 6'd4, 6'd5, 6'd5, 6'd5, 6'd5, 6'd6, 6'd6,
|
||||
6'd6, 6'd7, 6'd7, 6'd7, 6'd7, 6'd8, 6'd8, 6'd8,
|
||||
6'd9, 6'd9, 6'd9, 6'd9, 6'd10, 6'd10, 6'd10, 6'd11,
|
||||
6'd11, 6'd11, 6'd11, 6'd12, 6'd12, 6'd12, 6'd13, 6'd13,
|
||||
6'd13, 6'd13, 6'd14, 6'd14, 6'd14, 6'd15, 6'd15, 6'd15,
|
||||
6'd15, 6'd16, 6'd16, 6'd16, 6'd17, 6'd17, 6'd17, 6'd17,
|
||||
6'd18, 6'd18, 6'd18, 6'd19, 6'd19, 6'd19, 6'd19, 6'd20,
|
||||
6'd20, 6'd20, 6'd21, 6'd21, 6'd21, 6'd21, 6'd22, 6'd22,
|
||||
6'd22, 6'd23, 6'd23, 6'd23, 6'd23, 6'd24, 6'd24, 6'd24,
|
||||
6'd25, 6'd25, 6'd25, 6'd25, 6'd26, 6'd26, 6'd26, 6'd27,
|
||||
6'd27, 6'd27, 6'd27, 6'd28, 6'd28, 6'd28, 6'd29, 6'd29,
|
||||
6'd29, 6'd29, 6'd30, 6'd30, 6'd30, 6'd31, 6'd31, 6'd31,
|
||||
6'd31, 6'd32, 6'd32, 6'd32, 6'd33, 6'd33, 6'd33, 6'd33,
|
||||
6'd34, 6'd34, 6'd34, 6'd35, 6'd35, 6'd35, 6'd35, 6'd36,
|
||||
6'd36, 6'd36, 6'd36, 6'd37, 6'd37, 6'd37, 6'd38, 6'd38,
|
||||
6'd38, 6'd38, 6'd39, 6'd39, 6'd39, 6'd40, 6'd40, 6'd40,
|
||||
6'd40, 6'd41, 6'd41, 6'd41, 6'd42, 6'd42, 6'd42, 6'd42,
|
||||
6'd43, 6'd43, 6'd43, 6'd44, 6'd44, 6'd44, 6'd44, 6'd45,
|
||||
6'd45, 6'd45, 6'd46, 6'd46, 6'd46, 6'd46, 6'd47, 6'd47,
|
||||
6'd47, 6'd48, 6'd48, 6'd48, 6'd48, 6'd49, 6'd49, 6'd49,
|
||||
6'd50, 6'd50, 6'd50, 6'd50, 6'd51, 6'd51, 6'd51, 6'd52,
|
||||
6'd52, 6'd52, 6'd52, 6'd53, 6'd53, 6'd53, 6'd54, 6'd54,
|
||||
6'd54, 6'd54, 6'd55, 6'd55, 6'd55, 6'd56, 6'd56, 6'd56,
|
||||
6'd56, 6'd57, 6'd57, 6'd57, 6'd58, 6'd58, 6'd58, 6'd58,
|
||||
6'd59, 6'd59, 6'd59, 6'd60, 6'd60, 6'd60, 6'd60, 6'd61,
|
||||
6'd61, 6'd61, 6'd62, 6'd62, 6'd62, 6'd62, 6'd63, 6'd63,
|
||||
6'd63
|
||||
};
|
||||
|
||||
// http://marsee101.blog19.fc2.com/blog-entry-2311.html
|
||||
// Y = 16 + 0.257*R + 0.504*G + 0.098*B (Y = 0.299*R + 0.587*G + 0.114*B)
|
||||
// Pb = 128 - 0.148*R - 0.291*G + 0.439*B (Pb = -0.169*R - 0.331*G + 0.500*B)
|
||||
// Pr = 128 + 0.439*R - 0.368*G - 0.071*B (Pr = 0.500*R - 0.419*G - 0.081*B)
|
||||
|
||||
wire [18:0] y_8 = 19'd04096 + ({red, 8'd0} + {red, 3'd0}) + ({green, 9'd0} + {green, 2'd0}) + ({blue, 6'd0} + {blue, 5'd0} + {blue, 2'd0});
|
||||
wire [18:0] pb_8 = 19'd32768 - ({red, 7'd0} + {red, 4'd0} + {red, 3'd0}) - ({green, 8'd0} + {green, 5'd0} + {green, 3'd0}) + ({blue, 8'd0} + {blue, 7'd0} + {blue, 6'd0});
|
||||
wire [18:0] pr_8 = 19'd32768 + ({red, 8'd0} + {red, 7'd0} + {red, 6'd0}) - ({green, 8'd0} + {green, 6'd0} + {green, 5'd0} + {green, 4'd0} + {green, 3'd0}) - ({blue, 6'd0} + {blue , 3'd0});
|
||||
|
||||
wire [7:0] y = ( y_8[17:8] < 16) ? 8'd16 : ( y_8[17:8] > 235) ? 8'd235 : y_8[15:8];
|
||||
wire [7:0] pb = (pb_8[17:8] < 16) ? 8'd16 : (pb_8[17:8] > 240) ? 8'd240 : pb_8[15:8];
|
||||
wire [7:0] pr = (pr_8[17:8] < 16) ? 8'd16 : (pr_8[17:8] > 240) ? 8'd240 : pr_8[15:8];
|
||||
|
||||
assign VGA_R = ypbpr ? (ypbpr_full ? yuv_full[pr-8'd16] : pr[7:2]) : red;
|
||||
assign VGA_G = ypbpr ? (ypbpr_full ? yuv_full[y -8'd16] : y[7:2]) : green;
|
||||
assign VGA_B = ypbpr ? (ypbpr_full ? yuv_full[pb-8'd16] : pb[7:2]) : blue;
|
||||
assign VGA_VS = (scandoublerD | ypbpr) ? 1'b1 : ~vs_sd;
|
||||
assign VGA_HS = scandoublerD ? ~(HSync ^ VSync) : ypbpr ? ~(hs_sd ^ vs_sd) : ~hs_sd;
|
||||
|
||||
endmodule
|
||||
@@ -18,14 +18,14 @@
|
||||
#
|
||||
# Quartus II 64-Bit
|
||||
# Version 13.1.4 Build 182 03/12/2014 SJ Web Edition
|
||||
# Date created = 17:31:35 April 15, 2019
|
||||
# Date created = 15:06:20 September 09, 2019
|
||||
#
|
||||
# -------------------------------------------------------------------------- #
|
||||
#
|
||||
# Notes:
|
||||
#
|
||||
# 1) The default values for assignments are stored in the file:
|
||||
# Bagman_assignment_defaults.qdf
|
||||
# Botanic_assignment_defaults.qdf
|
||||
# If this file doesn't exist, see file:
|
||||
# assignment_defaults.qdf
|
||||
#
|
||||
@@ -45,27 +45,22 @@ set_global_assignment -name PROJECT_CREATION_TIME_DATE "19:48:06 MAY 24,2017"
|
||||
set_global_assignment -name PRE_FLOW_SCRIPT_FILE "quartus_sh:rtl/build_id.tcl"
|
||||
set_global_assignment -name PROJECT_OUTPUT_DIRECTORY output_files
|
||||
set_global_assignment -name SYSTEMVERILOG_FILE rtl/Botanic_MiST.sv
|
||||
set_global_assignment -name VHDL_FILE rtl/Pickin.vhd
|
||||
set_global_assignment -name VHDL_FILE rtl/bagman_tile_bit0.vhd
|
||||
set_global_assignment -name VHDL_FILE rtl/bagman_tile_bit1.vhd
|
||||
set_global_assignment -name VHDL_FILE rtl/bagman_program.vhd
|
||||
set_global_assignment -name VHDL_FILE rtl/bagman_palette.vhd
|
||||
set_global_assignment -name VHDL_FILE rtl/Botanic.vhd
|
||||
set_global_assignment -name VHDL_FILE rtl/ym_2149_linmix.vhd
|
||||
set_global_assignment -name VHDL_FILE rtl/video_gen.vhd
|
||||
set_global_assignment -name VHDL_FILE rtl/gen_ram.vhd
|
||||
set_global_assignment -name VERILOG_FILE rtl/pll.v
|
||||
set_global_assignment -name VHDL_FILE rtl/rom/botanic_tile_bit1.vhd
|
||||
set_global_assignment -name VHDL_FILE rtl/rom/botanic_tile_bit0.vhd
|
||||
set_global_assignment -name VHDL_FILE rtl/rom/botanic_program.vhd
|
||||
set_global_assignment -name VHDL_FILE rtl/rom/botanic_palette.vhd
|
||||
set_global_assignment -name VHDL_FILE rtl/T80/T80s.vhd
|
||||
set_global_assignment -name VHDL_FILE rtl/T80/T80_Reg.vhd
|
||||
set_global_assignment -name VHDL_FILE rtl/T80/T80_Pack.vhd
|
||||
set_global_assignment -name VHDL_FILE rtl/T80/T80_MCode.vhd
|
||||
set_global_assignment -name VHDL_FILE rtl/T80/T80_ALU.vhd
|
||||
set_global_assignment -name VHDL_FILE rtl/T80/T80.vhd
|
||||
set_global_assignment -name VHDL_FILE rtl/ym_2149_linmix.vhd
|
||||
set_global_assignment -name SYSTEMVERILOG_FILE rtl/video_mixer.sv
|
||||
set_global_assignment -name VHDL_FILE rtl/video_gen.vhd
|
||||
set_global_assignment -name SYSTEMVERILOG_FILE rtl/scandoubler.sv
|
||||
set_global_assignment -name SYSTEMVERILOG_FILE rtl/osd.sv
|
||||
set_global_assignment -name SYSTEMVERILOG_FILE rtl/mist_io.sv
|
||||
set_global_assignment -name SYSTEMVERILOG_FILE rtl/hq2x.sv
|
||||
set_global_assignment -name VHDL_FILE rtl/gen_ram.vhd
|
||||
set_global_assignment -name SYSTEMVERILOG_FILE rtl/dac.sv
|
||||
set_global_assignment -name VERILOG_FILE rtl/pll.v
|
||||
set_global_assignment -name QIP_FILE ../../../common/mist/mist.qip
|
||||
|
||||
# Pin & Location Assignments
|
||||
# ==========================
|
||||
@@ -150,12 +145,6 @@ set_global_assignment -name OUTPUT_IO_TIMING_NEAR_END_VMEAS "HALF VCCIO" -fall
|
||||
set_global_assignment -name OUTPUT_IO_TIMING_FAR_END_VMEAS "HALF SIGNAL SWING" -rise
|
||||
set_global_assignment -name OUTPUT_IO_TIMING_FAR_END_VMEAS "HALF SIGNAL SWING" -fall
|
||||
|
||||
# ---------------------
|
||||
# start ENTITY(Botanic)
|
||||
|
||||
# end ENTITY(Botanic)
|
||||
# -------------------
|
||||
|
||||
# --------------------------
|
||||
# start ENTITY(Botanic_MiST)
|
||||
|
||||
@@ -173,10 +162,4 @@ set_global_assignment -name OUTPUT_IO_TIMING_FAR_END_VMEAS "HALF SIGNAL SWING" -
|
||||
|
||||
# end ENTITY(Botanic_MiST)
|
||||
# ------------------------
|
||||
|
||||
# -------------------------
|
||||
# start ENTITY(bagman_mist)
|
||||
|
||||
# end ENTITY(bagman_mist)
|
||||
# -----------------------
|
||||
set_instance_assignment -name PARTITION_HIERARCHY root_partition -to | -section_id Top
|
||||
Binary file not shown.
@@ -34,5 +34,6 @@ del /s *.xml
|
||||
del /s new_rtl_netlist
|
||||
del /s old_rtl_netlist
|
||||
del /s PLLJ_PLLSPE_INFO.txt
|
||||
del /s build_id.v
|
||||
|
||||
pause
|
||||
|
||||
@@ -8,7 +8,7 @@ use ieee.std_logic_1164.all;
|
||||
use ieee.std_logic_unsigned.all;
|
||||
use ieee.numeric_std.all;
|
||||
|
||||
entity Pickin is
|
||||
entity Botanic is
|
||||
port(
|
||||
clock_12 : in std_logic;
|
||||
reset : in std_logic;
|
||||
@@ -38,9 +38,9 @@ port(
|
||||
down2 : in std_logic;
|
||||
up2 : in std_logic
|
||||
);
|
||||
end Pickin;
|
||||
end Botanic;
|
||||
|
||||
architecture struct of Pickin is
|
||||
architecture struct of Botanic is
|
||||
|
||||
-- clocks
|
||||
signal clock_12n : std_logic;
|
||||
@@ -311,7 +311,7 @@ cpu_di <= ym_8910_data when cpu_iorq_n = '0' else cpu_di_mem;
|
||||
-----------------------
|
||||
-- mux sound and music
|
||||
-----------------------
|
||||
audio_out <= ym_8910_audio & ym_8910_audio2;
|
||||
audio_out <= "00000000" & ym_8910_audio + ym_8910_audio2;
|
||||
|
||||
-------------------------------------
|
||||
-- color ram addressing scheme
|
||||
@@ -525,7 +525,7 @@ port map (
|
||||
);
|
||||
|
||||
-- sprite palette rom
|
||||
palette : entity work.bagman_palette
|
||||
palette : entity work.botanic_palette
|
||||
port map (
|
||||
addr => pixel_color_r,
|
||||
clk => clock_12,
|
||||
@@ -613,7 +613,7 @@ port map (
|
||||
|
||||
|
||||
-- program rom
|
||||
program : entity work.bagman_program
|
||||
program : entity work.botanic_program
|
||||
port map (
|
||||
addr => cpu_addr(14 downto 0),
|
||||
clk => clock_12n,
|
||||
@@ -654,7 +654,7 @@ port map(
|
||||
);
|
||||
|
||||
-- sprite and background graphics rom
|
||||
tile_bit0 : entity work.bagman_tile_bit0
|
||||
tile_bit0 : entity work.botanic_tile_bit0
|
||||
port map (
|
||||
addr => tile_graph_rom_addr,
|
||||
clk => clock_12n,
|
||||
@@ -662,7 +662,7 @@ port map (
|
||||
);
|
||||
|
||||
-- sprite and background graphics rom
|
||||
tile_bit1 : entity work.bagman_tile_bit1
|
||||
tile_bit1 : entity work.botanic_tile_bit1
|
||||
port map (
|
||||
addr => tile_graph_rom_addr,
|
||||
clk => clock_12n,
|
||||
@@ -16,44 +16,44 @@ module Botanic_MiST (
|
||||
input CLOCK_27
|
||||
);
|
||||
|
||||
`include "rtl\build_id.sv"
|
||||
`include "rtl\build_id.v"
|
||||
|
||||
localparam CONF_STR = {
|
||||
"Botanic;;",
|
||||
"O2,Rotate Controls,Off,On;",
|
||||
"O34,Scandoubler Fx,None,HQ2x,CRT 25%,CRT 50%;",
|
||||
"T6,Reset;",
|
||||
"V,v1.20.",`BUILD_DATE
|
||||
"V,v1.25.",`BUILD_DATE
|
||||
};
|
||||
|
||||
assign LED = 1;
|
||||
assign AUDIO_R = AUDIO_L;
|
||||
|
||||
wire clock_24, clock_12, clock_6;
|
||||
wire clock_24, clock_12;
|
||||
pll pll(
|
||||
.inclk0(CLOCK_27),
|
||||
.c0(clock_24),
|
||||
.c1(clock_12),
|
||||
.c2(clock_6)
|
||||
.c1(clock_12)
|
||||
);
|
||||
|
||||
wire [31:0] status;
|
||||
wire [1:0] buttons;
|
||||
wire [1:0] switches;
|
||||
wire [11:0] kbjoy;
|
||||
wire [7:0] joystick_0;
|
||||
wire [7:0] joystick_1;
|
||||
wire scandoublerD;
|
||||
wire ypbpr;
|
||||
wire [10:0] ps2_key;
|
||||
wire [15:0] audio;
|
||||
wire hs, vs;
|
||||
wire hb, vb;
|
||||
wire blankn = ~(hb | vb);
|
||||
wire [2:0] r, g;
|
||||
wire [1:0] b;
|
||||
wire key_strobe;
|
||||
wire key_pressed;
|
||||
wire [7:0] key_code;
|
||||
|
||||
Pickin Pickin(
|
||||
Botanic Botanic(
|
||||
.clock_12(clock_12),
|
||||
.reset(status[0] | status[6] | buttons[1]),
|
||||
.video_r(r),
|
||||
@@ -78,62 +78,54 @@ Pickin Pickin(
|
||||
.down2(m_down),
|
||||
.up2(m_up)
|
||||
);
|
||||
|
||||
video_mixer video_mixer(
|
||||
.clk_sys(clock_24),
|
||||
.ce_pix(clock_6),
|
||||
.ce_pix_actual(clock_6),
|
||||
.SPI_SCK(SPI_SCK),
|
||||
.SPI_SS3(SPI_SS3),
|
||||
.SPI_DI(SPI_DI),
|
||||
.R(blankn ? r : "000"),
|
||||
.G(blankn ? g : "000"),
|
||||
.B(blankn ? {b,b[0]} : "000"),
|
||||
.HSync(hs),
|
||||
.VSync(vs),
|
||||
.VGA_R(VGA_R),
|
||||
.VGA_G(VGA_G),
|
||||
.VGA_B(VGA_B),
|
||||
.VGA_VS(VGA_VS),
|
||||
.VGA_HS(VGA_HS),
|
||||
.scandoublerD(scandoublerD),
|
||||
.scanlines(scandoublerD ? 2'b00 : status[4:3]),
|
||||
.rotate({1'b1,status[2]}),
|
||||
.ypbpr(ypbpr),
|
||||
.ypbpr_full(1),
|
||||
.line_start(0),
|
||||
.mono(0)
|
||||
);
|
||||
|
||||
mist_io #(
|
||||
.STRLEN(($size(CONF_STR)>>3)))
|
||||
mist_io(
|
||||
|
||||
mist_video #(.COLOR_DEPTH(3), .SD_HCNT_WIDTH(10)) mist_video(
|
||||
.clk_sys ( clock_24 ),
|
||||
.SPI_SCK ( SPI_SCK ),
|
||||
.SPI_SS3 ( SPI_SS3 ),
|
||||
.SPI_DI ( SPI_DI ),
|
||||
.R ( blankn ? r : 0 ),
|
||||
.G ( blankn ? g : 0 ),
|
||||
.B ( blankn ? {b,b[0]} : 0 ),
|
||||
.HSync ( hs ),
|
||||
.VSync ( vs ),
|
||||
.VGA_R ( VGA_R ),
|
||||
.VGA_G ( VGA_G ),
|
||||
.VGA_B ( VGA_B ),
|
||||
.VGA_VS ( VGA_VS ),
|
||||
.VGA_HS ( VGA_HS ),
|
||||
.rotate ( {1'b1,status[2]} ),
|
||||
.scandoubler_disable( scandoublerD ),
|
||||
.scanlines ( status[4:3] ),
|
||||
.ypbpr ( ypbpr )
|
||||
);
|
||||
|
||||
user_io #(.STRLEN(($size(CONF_STR)>>3)))user_io(
|
||||
.clk_sys (clock_24 ),
|
||||
.conf_str (CONF_STR ),
|
||||
.SPI_SCK (SPI_SCK ),
|
||||
.CONF_DATA0 (CONF_DATA0 ),
|
||||
.SPI_SS2 (SPI_SS2 ),
|
||||
.SPI_DO (SPI_DO ),
|
||||
.SPI_DI (SPI_DI ),
|
||||
.SPI_CLK (SPI_SCK ),
|
||||
.SPI_SS_IO (CONF_DATA0 ),
|
||||
.SPI_MISO (SPI_DO ),
|
||||
.SPI_MOSI (SPI_DI ),
|
||||
.buttons (buttons ),
|
||||
.switches (switches ),
|
||||
.scandoublerD (scandoublerD ),
|
||||
.switches (switches ),
|
||||
.scandoubler_disable (scandoublerD ),
|
||||
.ypbpr (ypbpr ),
|
||||
.ps2_key (ps2_key ),
|
||||
.joystick_0 (joystick_0 ),
|
||||
.key_strobe (key_strobe ),
|
||||
.key_pressed (key_pressed ),
|
||||
.key_code (key_code ),
|
||||
.joystick_0 (joystick_0 ),
|
||||
.joystick_1 (joystick_1 ),
|
||||
.status (status )
|
||||
);
|
||||
|
||||
dac #(
|
||||
.MSBI(15))
|
||||
dac(
|
||||
.CLK(clock_24),
|
||||
.RESET(1'b0),
|
||||
.DACin({audio[15],audio[14:0]}),
|
||||
.DACout(AUDIO_L)
|
||||
|
||||
dac #(.C_bits(16))dac(
|
||||
.clk_i(clock_24),
|
||||
.res_n_i(1),
|
||||
.dac_i({audio,4'b0}),
|
||||
.dac_o(AUDIO_L)
|
||||
);
|
||||
|
||||
|
||||
// Rotated Normal
|
||||
wire m_up = ~status[2] ? btn_left | joystick_0[1] | joystick_1[1] : btn_up | joystick_0[3] | joystick_1[3];
|
||||
wire m_down = ~status[2] ? btn_right | joystick_0[0] | joystick_1[0] : btn_down | joystick_0[2] | joystick_1[2];
|
||||
@@ -152,24 +144,22 @@ reg btn_fire1 = 0;
|
||||
reg btn_fire2 = 0;
|
||||
reg btn_fire3 = 0;
|
||||
reg btn_coin = 0;
|
||||
wire pressed = ps2_key[9];
|
||||
wire [7:0] code = ps2_key[7:0];
|
||||
|
||||
always @(posedge clock_24) begin
|
||||
reg old_state;
|
||||
old_state <= ps2_key[10];
|
||||
if(old_state != ps2_key[10]) begin
|
||||
case(code)
|
||||
'h75: btn_up <= pressed; // up
|
||||
'h72: btn_down <= pressed; // down
|
||||
'h6B: btn_left <= pressed; // left
|
||||
'h74: btn_right <= pressed; // right
|
||||
'h76: btn_coin <= pressed; // ESC
|
||||
'h05: btn_one_player <= pressed; // F1
|
||||
'h06: btn_two_players <= pressed; // F2
|
||||
'h14: btn_fire3 <= pressed; // ctrl
|
||||
'h11: btn_fire2 <= pressed; // alt
|
||||
'h29: btn_fire1 <= pressed; // Space
|
||||
old_state <= key_strobe;
|
||||
if(old_state != key_strobe) begin
|
||||
case(key_code)
|
||||
'h75: btn_up <= key_pressed; // up
|
||||
'h72: btn_down <= key_pressed; // down
|
||||
'h6B: btn_left <= key_pressed; // left
|
||||
'h74: btn_right <= key_pressed; // right
|
||||
'h76: btn_coin <= key_pressed; // ESC
|
||||
'h05: btn_one_player <= key_pressed; // F1
|
||||
'h06: btn_two_players <= key_pressed; // F2
|
||||
'h14: btn_fire3 <= key_pressed; // ctrl
|
||||
'h11: btn_fire2 <= key_pressed; // alt
|
||||
'h29: btn_fire1 <= key_pressed; // Space
|
||||
endcase
|
||||
end
|
||||
end
|
||||
|
||||
@@ -1,2 +0,0 @@
|
||||
`define BUILD_DATE "190415"
|
||||
`define BUILD_TIME "175456"
|
||||
@@ -17,7 +17,7 @@ proc generateBuildID_Verilog {} {
|
||||
set buildTime [ clock format [ clock seconds ] -format %H%M%S ]
|
||||
|
||||
# Create a Verilog file for output
|
||||
set outputFileName "rtl/build_id.sv"
|
||||
set outputFileName "rtl/build_id.v"
|
||||
set outputFile [open $outputFileName "w"]
|
||||
|
||||
# Output the Verilog source
|
||||
|
||||
@@ -1,33 +0,0 @@
|
||||
//
|
||||
// PWM DAC
|
||||
//
|
||||
// MSBI is the highest bit number. NOT amount of bits!
|
||||
//
|
||||
module dac #(parameter MSBI=12, parameter INV=1'b1)
|
||||
(
|
||||
output reg DACout, //Average Output feeding analog lowpass
|
||||
input [MSBI:0] DACin, //DAC input (excess 2**MSBI)
|
||||
input CLK,
|
||||
input RESET
|
||||
);
|
||||
|
||||
reg [MSBI+2:0] DeltaAdder; //Output of Delta Adder
|
||||
reg [MSBI+2:0] SigmaAdder; //Output of Sigma Adder
|
||||
reg [MSBI+2:0] SigmaLatch; //Latches output of Sigma Adder
|
||||
reg [MSBI+2:0] DeltaB; //B input of Delta Adder
|
||||
|
||||
always @(*) DeltaB = {SigmaLatch[MSBI+2], SigmaLatch[MSBI+2]} << (MSBI+1);
|
||||
always @(*) DeltaAdder = DACin + DeltaB;
|
||||
always @(*) SigmaAdder = DeltaAdder + SigmaLatch;
|
||||
|
||||
always @(posedge CLK or posedge RESET) begin
|
||||
if(RESET) begin
|
||||
SigmaLatch <= 1'b1 << (MSBI+1);
|
||||
DACout <= INV;
|
||||
end else begin
|
||||
SigmaLatch <= SigmaAdder;
|
||||
DACout <= SigmaLatch[MSBI+2] ^ INV;
|
||||
end
|
||||
end
|
||||
|
||||
endmodule
|
||||
@@ -1,454 +0,0 @@
|
||||
//
|
||||
//
|
||||
// Copyright (c) 2012-2013 Ludvig Strigeus
|
||||
// Copyright (c) 2017 Sorgelig
|
||||
//
|
||||
// This program is GPL Licensed. See COPYING for the full license.
|
||||
//
|
||||
//
|
||||
////////////////////////////////////////////////////////////////////////////////////////////////////////
|
||||
|
||||
// synopsys translate_off
|
||||
`timescale 1 ps / 1 ps
|
||||
// synopsys translate_on
|
||||
|
||||
`define BITS_TO_FIT(N) ( \
|
||||
N <= 2 ? 0 : \
|
||||
N <= 4 ? 1 : \
|
||||
N <= 8 ? 2 : \
|
||||
N <= 16 ? 3 : \
|
||||
N <= 32 ? 4 : \
|
||||
N <= 64 ? 5 : \
|
||||
N <= 128 ? 6 : \
|
||||
N <= 256 ? 7 : \
|
||||
N <= 512 ? 8 : \
|
||||
N <=1024 ? 9 : 10 )
|
||||
|
||||
module hq2x_in #(parameter LENGTH, parameter DWIDTH)
|
||||
(
|
||||
input clk,
|
||||
|
||||
input [AWIDTH:0] rdaddr,
|
||||
input rdbuf,
|
||||
output[DWIDTH:0] q,
|
||||
|
||||
input [AWIDTH:0] wraddr,
|
||||
input wrbuf,
|
||||
input [DWIDTH:0] data,
|
||||
input wren
|
||||
);
|
||||
|
||||
localparam AWIDTH = `BITS_TO_FIT(LENGTH);
|
||||
wire [DWIDTH:0] out[2];
|
||||
assign q = out[rdbuf];
|
||||
|
||||
hq2x_buf #(.NUMWORDS(LENGTH), .AWIDTH(AWIDTH), .DWIDTH(DWIDTH)) buf0(clk,data,rdaddr,wraddr,wren && (wrbuf == 0),out[0]);
|
||||
hq2x_buf #(.NUMWORDS(LENGTH), .AWIDTH(AWIDTH), .DWIDTH(DWIDTH)) buf1(clk,data,rdaddr,wraddr,wren && (wrbuf == 1),out[1]);
|
||||
endmodule
|
||||
|
||||
|
||||
module hq2x_out #(parameter LENGTH, parameter DWIDTH)
|
||||
(
|
||||
input clk,
|
||||
|
||||
input [AWIDTH:0] rdaddr,
|
||||
input [1:0] rdbuf,
|
||||
output[DWIDTH:0] q,
|
||||
|
||||
input [AWIDTH:0] wraddr,
|
||||
input [1:0] wrbuf,
|
||||
input [DWIDTH:0] data,
|
||||
input wren
|
||||
);
|
||||
|
||||
localparam AWIDTH = `BITS_TO_FIT(LENGTH*2);
|
||||
wire [DWIDTH:0] out[4];
|
||||
assign q = out[rdbuf];
|
||||
|
||||
hq2x_buf #(.NUMWORDS(LENGTH*2), .AWIDTH(AWIDTH), .DWIDTH(DWIDTH)) buf0(clk,data,rdaddr,wraddr,wren && (wrbuf == 0),out[0]);
|
||||
hq2x_buf #(.NUMWORDS(LENGTH*2), .AWIDTH(AWIDTH), .DWIDTH(DWIDTH)) buf1(clk,data,rdaddr,wraddr,wren && (wrbuf == 1),out[1]);
|
||||
hq2x_buf #(.NUMWORDS(LENGTH*2), .AWIDTH(AWIDTH), .DWIDTH(DWIDTH)) buf2(clk,data,rdaddr,wraddr,wren && (wrbuf == 2),out[2]);
|
||||
hq2x_buf #(.NUMWORDS(LENGTH*2), .AWIDTH(AWIDTH), .DWIDTH(DWIDTH)) buf3(clk,data,rdaddr,wraddr,wren && (wrbuf == 3),out[3]);
|
||||
endmodule
|
||||
|
||||
|
||||
module hq2x_buf #(parameter NUMWORDS, parameter AWIDTH, parameter DWIDTH)
|
||||
(
|
||||
input clock,
|
||||
input [DWIDTH:0] data,
|
||||
input [AWIDTH:0] rdaddress,
|
||||
input [AWIDTH:0] wraddress,
|
||||
input wren,
|
||||
output [DWIDTH:0] q
|
||||
);
|
||||
|
||||
altsyncram altsyncram_component (
|
||||
.address_a (wraddress),
|
||||
.clock0 (clock),
|
||||
.data_a (data),
|
||||
.wren_a (wren),
|
||||
.address_b (rdaddress),
|
||||
.q_b(q),
|
||||
.aclr0 (1'b0),
|
||||
.aclr1 (1'b0),
|
||||
.addressstall_a (1'b0),
|
||||
.addressstall_b (1'b0),
|
||||
.byteena_a (1'b1),
|
||||
.byteena_b (1'b1),
|
||||
.clock1 (1'b1),
|
||||
.clocken0 (1'b1),
|
||||
.clocken1 (1'b1),
|
||||
.clocken2 (1'b1),
|
||||
.clocken3 (1'b1),
|
||||
.data_b ({(DWIDTH+1){1'b1}}),
|
||||
.eccstatus (),
|
||||
.q_a (),
|
||||
.rden_a (1'b1),
|
||||
.rden_b (1'b1),
|
||||
.wren_b (1'b0));
|
||||
defparam
|
||||
altsyncram_component.address_aclr_b = "NONE",
|
||||
altsyncram_component.address_reg_b = "CLOCK0",
|
||||
altsyncram_component.clock_enable_input_a = "BYPASS",
|
||||
altsyncram_component.clock_enable_input_b = "BYPASS",
|
||||
altsyncram_component.clock_enable_output_b = "BYPASS",
|
||||
altsyncram_component.intended_device_family = "Cyclone III",
|
||||
altsyncram_component.lpm_type = "altsyncram",
|
||||
altsyncram_component.numwords_a = NUMWORDS,
|
||||
altsyncram_component.numwords_b = NUMWORDS,
|
||||
altsyncram_component.operation_mode = "DUAL_PORT",
|
||||
altsyncram_component.outdata_aclr_b = "NONE",
|
||||
altsyncram_component.outdata_reg_b = "UNREGISTERED",
|
||||
altsyncram_component.power_up_uninitialized = "FALSE",
|
||||
altsyncram_component.read_during_write_mode_mixed_ports = "DONT_CARE",
|
||||
altsyncram_component.widthad_a = AWIDTH+1,
|
||||
altsyncram_component.widthad_b = AWIDTH+1,
|
||||
altsyncram_component.width_a = DWIDTH+1,
|
||||
altsyncram_component.width_b = DWIDTH+1,
|
||||
altsyncram_component.width_byteena_a = 1;
|
||||
|
||||
endmodule
|
||||
|
||||
////////////////////////////////////////////////////////////////////////////////////////////////////////
|
||||
|
||||
module DiffCheck
|
||||
(
|
||||
input [17:0] rgb1,
|
||||
input [17:0] rgb2,
|
||||
output result
|
||||
);
|
||||
|
||||
wire [5:0] r = rgb1[5:1] - rgb2[5:1];
|
||||
wire [5:0] g = rgb1[11:7] - rgb2[11:7];
|
||||
wire [5:0] b = rgb1[17:13] - rgb2[17:13];
|
||||
wire [6:0] t = $signed(r) + $signed(b);
|
||||
wire [6:0] gx = {g[5], g};
|
||||
wire [7:0] y = $signed(t) + $signed(gx);
|
||||
wire [6:0] u = $signed(r) - $signed(b);
|
||||
wire [7:0] v = $signed({g, 1'b0}) - $signed(t);
|
||||
|
||||
// if y is inside (-24..24)
|
||||
wire y_inside = (y < 8'h18 || y >= 8'he8);
|
||||
|
||||
// if u is inside (-4, 4)
|
||||
wire u_inside = (u < 7'h4 || u >= 7'h7c);
|
||||
|
||||
// if v is inside (-6, 6)
|
||||
wire v_inside = (v < 8'h6 || v >= 8'hfA);
|
||||
assign result = !(y_inside && u_inside && v_inside);
|
||||
endmodule
|
||||
|
||||
module InnerBlend
|
||||
(
|
||||
input [8:0] Op,
|
||||
input [5:0] A,
|
||||
input [5:0] B,
|
||||
input [5:0] C,
|
||||
output [5:0] O
|
||||
);
|
||||
|
||||
function [8:0] mul6x3;
|
||||
input [5:0] op1;
|
||||
input [2:0] op2;
|
||||
begin
|
||||
mul6x3 = 9'd0;
|
||||
if(op2[0]) mul6x3 = mul6x3 + op1;
|
||||
if(op2[1]) mul6x3 = mul6x3 + {op1, 1'b0};
|
||||
if(op2[2]) mul6x3 = mul6x3 + {op1, 2'b00};
|
||||
end
|
||||
endfunction
|
||||
|
||||
wire OpOnes = Op[4];
|
||||
wire [8:0] Amul = mul6x3(A, Op[7:5]);
|
||||
wire [8:0] Bmul = mul6x3(B, {Op[3:2], 1'b0});
|
||||
wire [8:0] Cmul = mul6x3(C, {Op[1:0], 1'b0});
|
||||
wire [8:0] At = Amul;
|
||||
wire [8:0] Bt = (OpOnes == 0) ? Bmul : {3'b0, B};
|
||||
wire [8:0] Ct = (OpOnes == 0) ? Cmul : {3'b0, C};
|
||||
wire [9:0] Res = {At, 1'b0} + Bt + Ct;
|
||||
assign O = Op[8] ? A : Res[9:4];
|
||||
endmodule
|
||||
|
||||
module Blend
|
||||
(
|
||||
input [5:0] rule,
|
||||
input disable_hq2x,
|
||||
input [17:0] E,
|
||||
input [17:0] A,
|
||||
input [17:0] B,
|
||||
input [17:0] D,
|
||||
input [17:0] F,
|
||||
input [17:0] H,
|
||||
output [17:0] Result
|
||||
);
|
||||
|
||||
reg [1:0] input_ctrl;
|
||||
reg [8:0] op;
|
||||
localparam BLEND0 = 9'b1_xxx_x_xx_xx; // 0: A
|
||||
localparam BLEND1 = 9'b0_110_0_10_00; // 1: (A * 12 + B * 4) >> 4
|
||||
localparam BLEND2 = 9'b0_100_0_10_10; // 2: (A * 8 + B * 4 + C * 4) >> 4
|
||||
localparam BLEND3 = 9'b0_101_0_10_01; // 3: (A * 10 + B * 4 + C * 2) >> 4
|
||||
localparam BLEND4 = 9'b0_110_0_01_01; // 4: (A * 12 + B * 2 + C * 2) >> 4
|
||||
localparam BLEND5 = 9'b0_010_0_11_11; // 5: (A * 4 + (B + C) * 6) >> 4
|
||||
localparam BLEND6 = 9'b0_111_1_xx_xx; // 6: (A * 14 + B + C) >> 4
|
||||
localparam AB = 2'b00;
|
||||
localparam AD = 2'b01;
|
||||
localparam DB = 2'b10;
|
||||
localparam BD = 2'b11;
|
||||
wire is_diff;
|
||||
DiffCheck diff_checker(rule[1] ? B : H, rule[0] ? D : F, is_diff);
|
||||
|
||||
always @* begin
|
||||
case({!is_diff, rule[5:2]})
|
||||
1,17: {op, input_ctrl} = {BLEND1, AB};
|
||||
2,18: {op, input_ctrl} = {BLEND1, DB};
|
||||
3,19: {op, input_ctrl} = {BLEND1, BD};
|
||||
4,20: {op, input_ctrl} = {BLEND2, DB};
|
||||
5,21: {op, input_ctrl} = {BLEND2, AB};
|
||||
6,22: {op, input_ctrl} = {BLEND2, AD};
|
||||
|
||||
8: {op, input_ctrl} = {BLEND0, 2'bxx};
|
||||
9: {op, input_ctrl} = {BLEND0, 2'bxx};
|
||||
10: {op, input_ctrl} = {BLEND0, 2'bxx};
|
||||
11: {op, input_ctrl} = {BLEND1, AB};
|
||||
12: {op, input_ctrl} = {BLEND1, AB};
|
||||
13: {op, input_ctrl} = {BLEND1, AB};
|
||||
14: {op, input_ctrl} = {BLEND1, DB};
|
||||
15: {op, input_ctrl} = {BLEND1, BD};
|
||||
|
||||
24: {op, input_ctrl} = {BLEND2, DB};
|
||||
25: {op, input_ctrl} = {BLEND5, DB};
|
||||
26: {op, input_ctrl} = {BLEND6, DB};
|
||||
27: {op, input_ctrl} = {BLEND2, DB};
|
||||
28: {op, input_ctrl} = {BLEND4, DB};
|
||||
29: {op, input_ctrl} = {BLEND5, DB};
|
||||
30: {op, input_ctrl} = {BLEND3, BD};
|
||||
31: {op, input_ctrl} = {BLEND3, DB};
|
||||
default: {op, input_ctrl} = 11'bx;
|
||||
endcase
|
||||
|
||||
// Setting op[8] effectively disables HQ2X because blend will always return E.
|
||||
if (disable_hq2x) op[8] = 1;
|
||||
end
|
||||
|
||||
// Generate inputs to the inner blender. Valid combinations.
|
||||
// 00: E A B
|
||||
// 01: E A D
|
||||
// 10: E D B
|
||||
// 11: E B D
|
||||
wire [17:0] Input1 = E;
|
||||
wire [17:0] Input2 = !input_ctrl[1] ? A :
|
||||
!input_ctrl[0] ? D : B;
|
||||
|
||||
wire [17:0] Input3 = !input_ctrl[0] ? B : D;
|
||||
InnerBlend inner_blend1(op, Input1[5:0], Input2[5:0], Input3[5:0], Result[5:0]);
|
||||
InnerBlend inner_blend2(op, Input1[11:6], Input2[11:6], Input3[11:6], Result[11:6]);
|
||||
InnerBlend inner_blend3(op, Input1[17:12], Input2[17:12], Input3[17:12], Result[17:12]);
|
||||
endmodule
|
||||
|
||||
|
||||
////////////////////////////////////////////////////////////////////////////////////////////////////
|
||||
|
||||
module Hq2x #(parameter LENGTH, parameter HALF_DEPTH)
|
||||
(
|
||||
input clk,
|
||||
input ce_x4,
|
||||
input [DWIDTH:0] inputpixel,
|
||||
input mono,
|
||||
input disable_hq2x,
|
||||
input reset_frame,
|
||||
input reset_line,
|
||||
input [1:0] read_y,
|
||||
input [AWIDTH+1:0] read_x,
|
||||
output [DWIDTH:0] outpixel
|
||||
);
|
||||
|
||||
|
||||
localparam AWIDTH = `BITS_TO_FIT(LENGTH);
|
||||
localparam DWIDTH = HALF_DEPTH ? 8 : 17;
|
||||
|
||||
wire [5:0] hqTable[256] = '{
|
||||
19, 19, 26, 11, 19, 19, 26, 11, 23, 15, 47, 35, 23, 15, 55, 39,
|
||||
19, 19, 26, 58, 19, 19, 26, 58, 23, 15, 35, 35, 23, 15, 7, 35,
|
||||
19, 19, 26, 11, 19, 19, 26, 11, 23, 15, 55, 39, 23, 15, 51, 43,
|
||||
19, 19, 26, 58, 19, 19, 26, 58, 23, 15, 51, 35, 23, 15, 7, 43,
|
||||
19, 19, 26, 11, 19, 19, 26, 11, 23, 61, 35, 35, 23, 61, 51, 35,
|
||||
19, 19, 26, 11, 19, 19, 26, 11, 23, 15, 51, 35, 23, 15, 51, 35,
|
||||
19, 19, 26, 11, 19, 19, 26, 11, 23, 61, 7, 35, 23, 61, 7, 43,
|
||||
19, 19, 26, 11, 19, 19, 26, 58, 23, 15, 51, 35, 23, 61, 7, 43,
|
||||
19, 19, 26, 11, 19, 19, 26, 11, 23, 15, 47, 35, 23, 15, 55, 39,
|
||||
19, 19, 26, 11, 19, 19, 26, 11, 23, 15, 51, 35, 23, 15, 51, 35,
|
||||
19, 19, 26, 11, 19, 19, 26, 11, 23, 15, 55, 39, 23, 15, 51, 43,
|
||||
19, 19, 26, 11, 19, 19, 26, 11, 23, 15, 51, 39, 23, 15, 7, 43,
|
||||
19, 19, 26, 11, 19, 19, 26, 11, 23, 15, 51, 35, 23, 15, 51, 39,
|
||||
19, 19, 26, 11, 19, 19, 26, 11, 23, 15, 51, 35, 23, 15, 7, 35,
|
||||
19, 19, 26, 11, 19, 19, 26, 11, 23, 15, 51, 35, 23, 15, 7, 43,
|
||||
19, 19, 26, 11, 19, 19, 26, 11, 23, 15, 7, 35, 23, 15, 7, 43
|
||||
};
|
||||
|
||||
reg [17:0] Prev0, Prev1, Prev2, Curr0, Curr1, Next0, Next1, Next2;
|
||||
reg [17:0] A, B, D, F, G, H;
|
||||
reg [7:0] pattern, nextpatt;
|
||||
reg [1:0] i;
|
||||
reg [7:0] y;
|
||||
|
||||
wire curbuf = y[0];
|
||||
reg prevbuf = 0;
|
||||
wire iobuf = !curbuf;
|
||||
|
||||
wire diff0, diff1;
|
||||
DiffCheck diffcheck0(Curr1, (i == 0) ? Prev0 : (i == 1) ? Curr0 : (i == 2) ? Prev2 : Next1, diff0);
|
||||
DiffCheck diffcheck1(Curr1, (i == 0) ? Prev1 : (i == 1) ? Next0 : (i == 2) ? Curr2 : Next2, diff1);
|
||||
|
||||
wire [7:0] new_pattern = {diff1, diff0, pattern[7:2]};
|
||||
|
||||
wire [17:0] X = (i == 0) ? A : (i == 1) ? Prev1 : (i == 2) ? Next1 : G;
|
||||
wire [17:0] blend_result;
|
||||
Blend blender(hqTable[nextpatt], disable_hq2x, Curr0, X, B, D, F, H, blend_result);
|
||||
|
||||
reg Curr2_addr1;
|
||||
reg [AWIDTH:0] Curr2_addr2;
|
||||
wire [17:0] Curr2 = HALF_DEPTH ? h2rgb(Curr2tmp) : Curr2tmp;
|
||||
wire [DWIDTH:0] Curr2tmp;
|
||||
|
||||
reg [AWIDTH:0] wrin_addr2;
|
||||
reg [DWIDTH:0] wrpix;
|
||||
reg wrin_en;
|
||||
|
||||
function [17:0] h2rgb;
|
||||
input [8:0] v;
|
||||
begin
|
||||
h2rgb = mono ? {v[5:3],v[2:0], v[5:3],v[2:0], v[5:3],v[2:0]} : {v[8:6],v[8:6],v[5:3],v[5:3],v[2:0],v[2:0]};
|
||||
end
|
||||
endfunction
|
||||
|
||||
function [8:0] rgb2h;
|
||||
input [17:0] v;
|
||||
begin
|
||||
rgb2h = mono ? {3'b000, v[17:15], v[14:12]} : {v[17:15], v[11:9], v[5:3]};
|
||||
end
|
||||
endfunction
|
||||
|
||||
hq2x_in #(.LENGTH(LENGTH), .DWIDTH(DWIDTH)) hq2x_in
|
||||
(
|
||||
.clk(clk),
|
||||
|
||||
.rdaddr(Curr2_addr2),
|
||||
.rdbuf(Curr2_addr1),
|
||||
.q(Curr2tmp),
|
||||
|
||||
.wraddr(wrin_addr2),
|
||||
.wrbuf(iobuf),
|
||||
.data(wrpix),
|
||||
.wren(wrin_en)
|
||||
);
|
||||
|
||||
reg [1:0] wrout_addr1;
|
||||
reg [AWIDTH+1:0] wrout_addr2;
|
||||
reg wrout_en;
|
||||
reg [DWIDTH:0] wrdata;
|
||||
|
||||
hq2x_out #(.LENGTH(LENGTH), .DWIDTH(DWIDTH)) hq2x_out
|
||||
(
|
||||
.clk(clk),
|
||||
|
||||
.rdaddr(read_x),
|
||||
.rdbuf(read_y),
|
||||
.q(outpixel),
|
||||
|
||||
.wraddr(wrout_addr2),
|
||||
.wrbuf(wrout_addr1),
|
||||
.data(wrdata),
|
||||
.wren(wrout_en)
|
||||
);
|
||||
|
||||
always @(posedge clk) begin
|
||||
reg [AWIDTH:0] offs;
|
||||
reg old_reset_line;
|
||||
reg old_reset_frame;
|
||||
|
||||
wrout_en <= 0;
|
||||
wrin_en <= 0;
|
||||
|
||||
if(ce_x4) begin
|
||||
|
||||
pattern <= new_pattern;
|
||||
|
||||
if(~&offs) begin
|
||||
if (i == 0) begin
|
||||
Curr2_addr1 <= prevbuf;
|
||||
Curr2_addr2 <= offs;
|
||||
end
|
||||
if (i == 1) begin
|
||||
Prev2 <= Curr2;
|
||||
Curr2_addr1 <= curbuf;
|
||||
Curr2_addr2 <= offs;
|
||||
end
|
||||
if (i == 2) begin
|
||||
Next2 <= HALF_DEPTH ? h2rgb(inputpixel) : inputpixel;
|
||||
wrpix <= inputpixel;
|
||||
wrin_addr2 <= offs;
|
||||
wrin_en <= 1;
|
||||
end
|
||||
if (i == 3) begin
|
||||
offs <= offs + 1'd1;
|
||||
end
|
||||
|
||||
if(HALF_DEPTH) wrdata <= rgb2h(blend_result);
|
||||
else wrdata <= blend_result;
|
||||
|
||||
wrout_addr1 <= {curbuf, i[1]};
|
||||
wrout_addr2 <= {offs, i[1]^i[0]};
|
||||
wrout_en <= 1;
|
||||
end
|
||||
|
||||
if(i==3) begin
|
||||
nextpatt <= {new_pattern[7:6], new_pattern[3], new_pattern[5], new_pattern[2], new_pattern[4], new_pattern[1:0]};
|
||||
{A, G} <= {Prev0, Next0};
|
||||
{B, F, H, D} <= {Prev1, Curr2, Next1, Curr0};
|
||||
{Prev0, Prev1} <= {Prev1, Prev2};
|
||||
{Curr0, Curr1} <= {Curr1, Curr2};
|
||||
{Next0, Next1} <= {Next1, Next2};
|
||||
end else begin
|
||||
nextpatt <= {nextpatt[5], nextpatt[3], nextpatt[0], nextpatt[6], nextpatt[1], nextpatt[7], nextpatt[4], nextpatt[2]};
|
||||
{B, F, H, D} <= {F, H, D, B};
|
||||
end
|
||||
|
||||
i <= i + 1'b1;
|
||||
if(old_reset_line && ~reset_line) begin
|
||||
old_reset_frame <= reset_frame;
|
||||
offs <= 0;
|
||||
i <= 0;
|
||||
y <= y + 1'd1;
|
||||
prevbuf <= curbuf;
|
||||
if(old_reset_frame & ~reset_frame) begin
|
||||
y <= 0;
|
||||
prevbuf <= 0;
|
||||
end
|
||||
end
|
||||
|
||||
old_reset_line <= reset_line;
|
||||
end
|
||||
end
|
||||
|
||||
endmodule // Hq2x
|
||||
@@ -1,530 +0,0 @@
|
||||
//
|
||||
// mist_io.v
|
||||
//
|
||||
// mist_io for the MiST board
|
||||
// http://code.google.com/p/mist-board/
|
||||
//
|
||||
// Copyright (c) 2014 Till Harbaum <till@harbaum.org>
|
||||
// Copyright (c) 2015-2017 Sorgelig
|
||||
//
|
||||
// This source file is free software: you can redistribute it and/or modify
|
||||
// it under the terms of the GNU General Public License as published
|
||||
// by the Free Software Foundation, either version 3 of the License, or
|
||||
// (at your option) any later version.
|
||||
//
|
||||
// This source file is distributed in the hope that it will be useful,
|
||||
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
// GNU General Public License for more details.
|
||||
//
|
||||
// You should have received a copy of the GNU General Public License
|
||||
// along with this program. If not, see <http://www.gnu.org/licenses/>.
|
||||
//
|
||||
///////////////////////////////////////////////////////////////////////
|
||||
|
||||
//
|
||||
// Use buffer to access SD card. It's time-critical part.
|
||||
// Made module synchroneous with 2 clock domains: clk_sys and SPI_SCK
|
||||
// (Sorgelig)
|
||||
//
|
||||
// for synchronous projects default value for PS2DIV is fine for any frequency of system clock.
|
||||
// clk_ps2 = clk_sys/(PS2DIV*2)
|
||||
//
|
||||
|
||||
module mist_io #(parameter STRLEN=0, parameter PS2DIV=100)
|
||||
(
|
||||
|
||||
// parameter STRLEN and the actual length of conf_str have to match
|
||||
input [(8*STRLEN)-1:0] conf_str,
|
||||
|
||||
// Global clock. It should be around 100MHz (higher is better).
|
||||
input clk_sys,
|
||||
|
||||
// Global SPI clock from ARM. 24MHz
|
||||
input SPI_SCK,
|
||||
|
||||
input CONF_DATA0,
|
||||
input SPI_SS2,
|
||||
output SPI_DO,
|
||||
input SPI_DI,
|
||||
|
||||
output reg [7:0] joystick_0,
|
||||
output reg [7:0] joystick_1,
|
||||
// output reg [31:0] joystick_2,
|
||||
// output reg [31:0] joystick_3,
|
||||
// output reg [31:0] joystick_4,
|
||||
output reg [15:0] joystick_analog_0,
|
||||
output reg [15:0] joystick_analog_1,
|
||||
output [1:0] buttons,
|
||||
output [1:0] switches,
|
||||
output scandoublerD,
|
||||
output ypbpr,
|
||||
|
||||
output reg [31:0] status,
|
||||
|
||||
// SD config
|
||||
input sd_conf,
|
||||
input sd_sdhc,
|
||||
output [1:0] img_mounted, // signaling that new image has been mounted
|
||||
output reg [31:0] img_size, // size of image in bytes
|
||||
|
||||
// SD block level access
|
||||
input [31:0] sd_lba,
|
||||
input [1:0] sd_rd,
|
||||
input [1:0] sd_wr,
|
||||
output reg sd_ack,
|
||||
output reg sd_ack_conf,
|
||||
|
||||
// SD byte level access. Signals for 2-PORT altsyncram.
|
||||
output reg [8:0] sd_buff_addr,
|
||||
output reg [7:0] sd_buff_dout,
|
||||
input [7:0] sd_buff_din,
|
||||
output reg sd_buff_wr,
|
||||
|
||||
// ps2 keyboard emulation
|
||||
output ps2_kbd_clk,
|
||||
output reg ps2_kbd_data,
|
||||
output ps2_mouse_clk,
|
||||
output reg ps2_mouse_data,
|
||||
|
||||
// ps2 alternative interface.
|
||||
|
||||
// [8] - extended, [9] - pressed, [10] - toggles with every press/release
|
||||
output reg [10:0] ps2_key = 0,
|
||||
|
||||
// [24] - toggles with every event
|
||||
output reg [24:0] ps2_mouse = 0,
|
||||
|
||||
// ARM -> FPGA download
|
||||
input ioctl_ce,
|
||||
output reg ioctl_download = 0, // signal indicating an active download
|
||||
output reg [7:0] ioctl_index, // menu index used to upload the file
|
||||
output reg ioctl_wr = 0,
|
||||
output reg [24:0] ioctl_addr,
|
||||
output reg [7:0] ioctl_dout
|
||||
);
|
||||
|
||||
reg [7:0] but_sw;
|
||||
reg [2:0] stick_idx;
|
||||
|
||||
reg [1:0] mount_strobe = 0;
|
||||
assign img_mounted = mount_strobe;
|
||||
|
||||
assign buttons = but_sw[1:0];
|
||||
assign switches = but_sw[3:2];
|
||||
assign scandoublerD = but_sw[4];
|
||||
assign ypbpr = but_sw[5];
|
||||
|
||||
// this variant of user_io is for 8 bit cores (type == a4) only
|
||||
wire [7:0] core_type = 8'ha4;
|
||||
|
||||
// command byte read by the io controller
|
||||
wire drive_sel = sd_rd[1] | sd_wr[1];
|
||||
wire [7:0] sd_cmd = { 4'h6, sd_conf, sd_sdhc, sd_wr[drive_sel], sd_rd[drive_sel] };
|
||||
|
||||
reg [7:0] cmd;
|
||||
reg [2:0] bit_cnt; // counts bits 0-7 0-7 ...
|
||||
reg [9:0] byte_cnt; // counts bytes
|
||||
|
||||
reg spi_do;
|
||||
assign SPI_DO = CONF_DATA0 ? 1'bZ : spi_do;
|
||||
|
||||
reg [7:0] spi_data_out;
|
||||
|
||||
// SPI transmitter
|
||||
always@(negedge SPI_SCK) spi_do <= spi_data_out[~bit_cnt];
|
||||
|
||||
reg [7:0] spi_data_in;
|
||||
reg spi_data_ready = 0;
|
||||
|
||||
// SPI receiver
|
||||
always@(posedge SPI_SCK or posedge CONF_DATA0) begin
|
||||
reg [6:0] sbuf;
|
||||
reg [31:0] sd_lba_r;
|
||||
reg drive_sel_r;
|
||||
|
||||
if(CONF_DATA0) begin
|
||||
bit_cnt <= 0;
|
||||
byte_cnt <= 0;
|
||||
spi_data_out <= core_type;
|
||||
end
|
||||
else
|
||||
begin
|
||||
bit_cnt <= bit_cnt + 1'd1;
|
||||
sbuf <= {sbuf[5:0], SPI_DI};
|
||||
|
||||
// finished reading command byte
|
||||
if(bit_cnt == 7) begin
|
||||
if(!byte_cnt) cmd <= {sbuf, SPI_DI};
|
||||
|
||||
spi_data_in <= {sbuf, SPI_DI};
|
||||
spi_data_ready <= ~spi_data_ready;
|
||||
if(~&byte_cnt) byte_cnt <= byte_cnt + 8'd1;
|
||||
|
||||
spi_data_out <= 0;
|
||||
case({(!byte_cnt) ? {sbuf, SPI_DI} : cmd})
|
||||
// reading config string
|
||||
8'h14: if(byte_cnt < STRLEN) spi_data_out <= conf_str[(STRLEN - byte_cnt - 1)<<3 +:8];
|
||||
|
||||
// reading sd card status
|
||||
8'h16: if(byte_cnt == 0) begin
|
||||
spi_data_out <= sd_cmd;
|
||||
sd_lba_r <= sd_lba;
|
||||
drive_sel_r <= drive_sel;
|
||||
end else if (byte_cnt == 1) begin
|
||||
spi_data_out <= drive_sel_r;
|
||||
end else if(byte_cnt < 6) spi_data_out <= sd_lba_r[(5-byte_cnt)<<3 +:8];
|
||||
|
||||
// reading sd card write data
|
||||
8'h18: spi_data_out <= sd_buff_din;
|
||||
endcase
|
||||
end
|
||||
end
|
||||
end
|
||||
|
||||
reg [31:0] ps2_key_raw = 0;
|
||||
wire pressed = (ps2_key_raw[15:8] != 8'hf0);
|
||||
wire extended = (~pressed ? (ps2_key_raw[23:16] == 8'he0) : (ps2_key_raw[15:8] == 8'he0));
|
||||
|
||||
// transfer to clk_sys domain
|
||||
always@(posedge clk_sys) begin
|
||||
reg old_ss1, old_ss2;
|
||||
reg old_ready1, old_ready2;
|
||||
reg [2:0] b_wr;
|
||||
reg got_ps2 = 0;
|
||||
|
||||
old_ss1 <= CONF_DATA0;
|
||||
old_ss2 <= old_ss1;
|
||||
old_ready1 <= spi_data_ready;
|
||||
old_ready2 <= old_ready1;
|
||||
|
||||
sd_buff_wr <= b_wr[0];
|
||||
if(b_wr[2] && (~&sd_buff_addr)) sd_buff_addr <= sd_buff_addr + 1'b1;
|
||||
b_wr <= (b_wr<<1);
|
||||
|
||||
if(old_ss2) begin
|
||||
got_ps2 <= 0;
|
||||
sd_ack <= 0;
|
||||
sd_ack_conf <= 0;
|
||||
sd_buff_addr <= 0;
|
||||
if(got_ps2) begin
|
||||
if(cmd == 4) ps2_mouse[24] <= ~ps2_mouse[24];
|
||||
if(cmd == 5) begin
|
||||
ps2_key <= {~ps2_key[10], pressed, extended, ps2_key_raw[7:0]};
|
||||
if(ps2_key_raw == 'hE012E07C) ps2_key[9:0] <= 'h37C; // prnscr pressed
|
||||
if(ps2_key_raw == 'h7CE0F012) ps2_key[9:0] <= 'h17C; // prnscr released
|
||||
if(ps2_key_raw == 'hF014F077) ps2_key[9:0] <= 'h377; // pause pressed
|
||||
end
|
||||
end
|
||||
end
|
||||
else
|
||||
if(old_ready2 ^ old_ready1) begin
|
||||
|
||||
if(cmd == 8'h18 && ~&sd_buff_addr) sd_buff_addr <= sd_buff_addr + 1'b1;
|
||||
|
||||
if(byte_cnt < 2) begin
|
||||
|
||||
if (cmd == 8'h19) sd_ack_conf <= 1;
|
||||
if((cmd == 8'h17) || (cmd == 8'h18)) sd_ack <= 1;
|
||||
mount_strobe <= 0;
|
||||
|
||||
if(cmd == 5) ps2_key_raw <= 0;
|
||||
end else begin
|
||||
|
||||
case(cmd)
|
||||
// buttons and switches
|
||||
8'h01: but_sw <= spi_data_in;
|
||||
8'h02: joystick_0 <= spi_data_in;
|
||||
8'h03: joystick_1 <= spi_data_in;
|
||||
// 8'h60: if (byte_cnt < 5) joystick_0[(byte_cnt-1)<<3 +:8] <= spi_data_in;
|
||||
// 8'h61: if (byte_cnt < 5) joystick_1[(byte_cnt-1)<<3 +:8] <= spi_data_in;
|
||||
// 8'h62: if (byte_cnt < 5) joystick_2[(byte_cnt-1)<<3 +:8] <= spi_data_in;
|
||||
// 8'h63: if (byte_cnt < 5) joystick_3[(byte_cnt-1)<<3 +:8] <= spi_data_in;
|
||||
// 8'h64: if (byte_cnt < 5) joystick_4[(byte_cnt-1)<<3 +:8] <= spi_data_in;
|
||||
// store incoming ps2 mouse bytes
|
||||
8'h04: begin
|
||||
got_ps2 <= 1;
|
||||
case(byte_cnt)
|
||||
2: ps2_mouse[7:0] <= spi_data_in;
|
||||
3: ps2_mouse[15:8] <= spi_data_in;
|
||||
4: ps2_mouse[23:16] <= spi_data_in;
|
||||
endcase
|
||||
ps2_mouse_fifo[ps2_mouse_wptr] <= spi_data_in;
|
||||
ps2_mouse_wptr <= ps2_mouse_wptr + 1'd1;
|
||||
end
|
||||
|
||||
// store incoming ps2 keyboard bytes
|
||||
8'h05: begin
|
||||
got_ps2 <= 1;
|
||||
ps2_key_raw[31:0] <= {ps2_key_raw[23:0], spi_data_in};
|
||||
ps2_kbd_fifo[ps2_kbd_wptr] <= spi_data_in;
|
||||
ps2_kbd_wptr <= ps2_kbd_wptr + 1'd1;
|
||||
end
|
||||
|
||||
8'h15: status[7:0] <= spi_data_in;
|
||||
|
||||
// send SD config IO -> FPGA
|
||||
// flag that download begins
|
||||
// sd card knows data is config if sd_dout_strobe is asserted
|
||||
// with sd_ack still being inactive (low)
|
||||
8'h19,
|
||||
// send sector IO -> FPGA
|
||||
// flag that download begins
|
||||
8'h17: begin
|
||||
sd_buff_dout <= spi_data_in;
|
||||
b_wr <= 1;
|
||||
end
|
||||
|
||||
// joystick analog
|
||||
8'h1a: begin
|
||||
// first byte is joystick index
|
||||
if(byte_cnt == 2) stick_idx <= spi_data_in[2:0];
|
||||
else if(byte_cnt == 3) begin
|
||||
// second byte is x axis
|
||||
if(stick_idx == 0) joystick_analog_0[15:8] <= spi_data_in;
|
||||
else if(stick_idx == 1) joystick_analog_1[15:8] <= spi_data_in;
|
||||
end else if(byte_cnt == 4) begin
|
||||
// third byte is y axis
|
||||
if(stick_idx == 0) joystick_analog_0[7:0] <= spi_data_in;
|
||||
else if(stick_idx == 1) joystick_analog_1[7:0] <= spi_data_in;
|
||||
end
|
||||
end
|
||||
|
||||
// notify image selection
|
||||
8'h1c: mount_strobe[spi_data_in[0]] <= 1;
|
||||
|
||||
// send image info
|
||||
8'h1d: if(byte_cnt<6) img_size[(byte_cnt-2)<<3 +:8] <= spi_data_in;
|
||||
|
||||
// status, 32bit version
|
||||
8'h1e: if(byte_cnt<6) status[(byte_cnt-2)<<3 +:8] <= spi_data_in;
|
||||
default: ;
|
||||
endcase
|
||||
end
|
||||
end
|
||||
end
|
||||
|
||||
|
||||
/////////////////////////////// PS2 ///////////////////////////////
|
||||
// 8 byte fifos to store ps2 bytes
|
||||
localparam PS2_FIFO_BITS = 3;
|
||||
|
||||
reg clk_ps2;
|
||||
always @(negedge clk_sys) begin
|
||||
integer cnt;
|
||||
cnt <= cnt + 1'd1;
|
||||
if(cnt == PS2DIV) begin
|
||||
clk_ps2 <= ~clk_ps2;
|
||||
cnt <= 0;
|
||||
end
|
||||
end
|
||||
|
||||
// keyboard
|
||||
reg [7:0] ps2_kbd_fifo[1<<PS2_FIFO_BITS];
|
||||
reg [PS2_FIFO_BITS-1:0] ps2_kbd_wptr;
|
||||
reg [PS2_FIFO_BITS-1:0] ps2_kbd_rptr;
|
||||
|
||||
// ps2 transmitter state machine
|
||||
reg [3:0] ps2_kbd_tx_state;
|
||||
reg [7:0] ps2_kbd_tx_byte;
|
||||
reg ps2_kbd_parity;
|
||||
|
||||
assign ps2_kbd_clk = clk_ps2 || (ps2_kbd_tx_state == 0);
|
||||
|
||||
// ps2 transmitter
|
||||
// Takes a byte from the FIFO and sends it in a ps2 compliant serial format.
|
||||
reg ps2_kbd_r_inc;
|
||||
always@(posedge clk_sys) begin
|
||||
reg old_clk;
|
||||
old_clk <= clk_ps2;
|
||||
if(~old_clk & clk_ps2) begin
|
||||
ps2_kbd_r_inc <= 0;
|
||||
|
||||
if(ps2_kbd_r_inc) ps2_kbd_rptr <= ps2_kbd_rptr + 1'd1;
|
||||
|
||||
// transmitter is idle?
|
||||
if(ps2_kbd_tx_state == 0) begin
|
||||
// data in fifo present?
|
||||
if(ps2_kbd_wptr != ps2_kbd_rptr) begin
|
||||
// load tx register from fifo
|
||||
ps2_kbd_tx_byte <= ps2_kbd_fifo[ps2_kbd_rptr];
|
||||
ps2_kbd_r_inc <= 1;
|
||||
|
||||
// reset parity
|
||||
ps2_kbd_parity <= 1;
|
||||
|
||||
// start transmitter
|
||||
ps2_kbd_tx_state <= 1;
|
||||
|
||||
// put start bit on data line
|
||||
ps2_kbd_data <= 0; // start bit is 0
|
||||
end
|
||||
end else begin
|
||||
|
||||
// transmission of 8 data bits
|
||||
if((ps2_kbd_tx_state >= 1)&&(ps2_kbd_tx_state < 9)) begin
|
||||
ps2_kbd_data <= ps2_kbd_tx_byte[0]; // data bits
|
||||
ps2_kbd_tx_byte[6:0] <= ps2_kbd_tx_byte[7:1]; // shift down
|
||||
if(ps2_kbd_tx_byte[0])
|
||||
ps2_kbd_parity <= !ps2_kbd_parity;
|
||||
end
|
||||
|
||||
// transmission of parity
|
||||
if(ps2_kbd_tx_state == 9) ps2_kbd_data <= ps2_kbd_parity;
|
||||
|
||||
// transmission of stop bit
|
||||
if(ps2_kbd_tx_state == 10) ps2_kbd_data <= 1; // stop bit is 1
|
||||
|
||||
// advance state machine
|
||||
if(ps2_kbd_tx_state < 11) ps2_kbd_tx_state <= ps2_kbd_tx_state + 1'd1;
|
||||
else ps2_kbd_tx_state <= 0;
|
||||
end
|
||||
end
|
||||
end
|
||||
|
||||
// mouse
|
||||
reg [7:0] ps2_mouse_fifo[1<<PS2_FIFO_BITS];
|
||||
reg [PS2_FIFO_BITS-1:0] ps2_mouse_wptr;
|
||||
reg [PS2_FIFO_BITS-1:0] ps2_mouse_rptr;
|
||||
|
||||
// ps2 transmitter state machine
|
||||
reg [3:0] ps2_mouse_tx_state;
|
||||
reg [7:0] ps2_mouse_tx_byte;
|
||||
reg ps2_mouse_parity;
|
||||
|
||||
assign ps2_mouse_clk = clk_ps2 || (ps2_mouse_tx_state == 0);
|
||||
|
||||
// ps2 transmitter
|
||||
// Takes a byte from the FIFO and sends it in a ps2 compliant serial format.
|
||||
reg ps2_mouse_r_inc;
|
||||
always@(posedge clk_sys) begin
|
||||
reg old_clk;
|
||||
old_clk <= clk_ps2;
|
||||
if(~old_clk & clk_ps2) begin
|
||||
ps2_mouse_r_inc <= 0;
|
||||
|
||||
if(ps2_mouse_r_inc) ps2_mouse_rptr <= ps2_mouse_rptr + 1'd1;
|
||||
|
||||
// transmitter is idle?
|
||||
if(ps2_mouse_tx_state == 0) begin
|
||||
// data in fifo present?
|
||||
if(ps2_mouse_wptr != ps2_mouse_rptr) begin
|
||||
// load tx register from fifo
|
||||
ps2_mouse_tx_byte <= ps2_mouse_fifo[ps2_mouse_rptr];
|
||||
ps2_mouse_r_inc <= 1;
|
||||
|
||||
// reset parity
|
||||
ps2_mouse_parity <= 1;
|
||||
|
||||
// start transmitter
|
||||
ps2_mouse_tx_state <= 1;
|
||||
|
||||
// put start bit on data line
|
||||
ps2_mouse_data <= 0; // start bit is 0
|
||||
end
|
||||
end else begin
|
||||
|
||||
// transmission of 8 data bits
|
||||
if((ps2_mouse_tx_state >= 1)&&(ps2_mouse_tx_state < 9)) begin
|
||||
ps2_mouse_data <= ps2_mouse_tx_byte[0]; // data bits
|
||||
ps2_mouse_tx_byte[6:0] <= ps2_mouse_tx_byte[7:1]; // shift down
|
||||
if(ps2_mouse_tx_byte[0])
|
||||
ps2_mouse_parity <= !ps2_mouse_parity;
|
||||
end
|
||||
|
||||
// transmission of parity
|
||||
if(ps2_mouse_tx_state == 9) ps2_mouse_data <= ps2_mouse_parity;
|
||||
|
||||
// transmission of stop bit
|
||||
if(ps2_mouse_tx_state == 10) ps2_mouse_data <= 1; // stop bit is 1
|
||||
|
||||
// advance state machine
|
||||
if(ps2_mouse_tx_state < 11) ps2_mouse_tx_state <= ps2_mouse_tx_state + 1'd1;
|
||||
else ps2_mouse_tx_state <= 0;
|
||||
end
|
||||
end
|
||||
end
|
||||
|
||||
|
||||
/////////////////////////////// DOWNLOADING ///////////////////////////////
|
||||
|
||||
reg [7:0] data_w;
|
||||
reg [24:0] addr_w;
|
||||
reg rclk = 0;
|
||||
|
||||
localparam UIO_FILE_TX = 8'h53;
|
||||
localparam UIO_FILE_TX_DAT = 8'h54;
|
||||
localparam UIO_FILE_INDEX = 8'h55;
|
||||
|
||||
reg rdownload = 0;
|
||||
|
||||
// data_io has its own SPI interface to the io controller
|
||||
always@(posedge SPI_SCK, posedge SPI_SS2) begin
|
||||
reg [6:0] sbuf;
|
||||
reg [7:0] cmd;
|
||||
reg [4:0] cnt;
|
||||
reg [24:0] addr;
|
||||
|
||||
if(SPI_SS2) cnt <= 0;
|
||||
else begin
|
||||
// don't shift in last bit. It is evaluated directly
|
||||
// when writing to ram
|
||||
if(cnt != 15) sbuf <= { sbuf[5:0], SPI_DI};
|
||||
|
||||
// count 0-7 8-15 8-15 ...
|
||||
if(cnt < 15) cnt <= cnt + 1'd1;
|
||||
else cnt <= 8;
|
||||
|
||||
// finished command byte
|
||||
if(cnt == 7) cmd <= {sbuf, SPI_DI};
|
||||
|
||||
// prepare/end transmission
|
||||
if((cmd == UIO_FILE_TX) && (cnt == 15)) begin
|
||||
// prepare
|
||||
if(SPI_DI) begin
|
||||
case(ioctl_index[4:0])
|
||||
1: addr <= 25'h200000; // TRD buffer at 2MB
|
||||
2: addr <= 25'h400000; // tape buffer at 4MB
|
||||
default: addr <= 25'h150000; // boot rom
|
||||
endcase
|
||||
rdownload <= 1;
|
||||
end else begin
|
||||
addr_w <= addr;
|
||||
rdownload <= 0;
|
||||
end
|
||||
end
|
||||
|
||||
// command 0x54: UIO_FILE_TX
|
||||
if((cmd == UIO_FILE_TX_DAT) && (cnt == 15)) begin
|
||||
addr_w <= addr;
|
||||
data_w <= {sbuf, SPI_DI};
|
||||
addr <= addr + 1'd1;
|
||||
rclk <= ~rclk;
|
||||
end
|
||||
|
||||
// expose file (menu) index
|
||||
if((cmd == UIO_FILE_INDEX) && (cnt == 15)) ioctl_index <= {sbuf, SPI_DI};
|
||||
end
|
||||
end
|
||||
|
||||
// transfer to ioctl_clk domain.
|
||||
// ioctl_index is set before ioctl_download, so it's stable already
|
||||
always@(posedge clk_sys) begin
|
||||
reg rclkD, rclkD2;
|
||||
|
||||
if(ioctl_ce) begin
|
||||
ioctl_download <= rdownload;
|
||||
|
||||
rclkD <= rclk;
|
||||
rclkD2 <= rclkD;
|
||||
ioctl_wr <= 0;
|
||||
|
||||
if(rclkD != rclkD2) begin
|
||||
ioctl_dout <= data_w;
|
||||
ioctl_addr <= addr_w;
|
||||
ioctl_wr <= 1;
|
||||
end
|
||||
end
|
||||
end
|
||||
|
||||
endmodule
|
||||
@@ -1,194 +0,0 @@
|
||||
// A simple OSD implementation. Can be hooked up between a cores
|
||||
// VGA output and the physical VGA pins
|
||||
|
||||
module osd (
|
||||
// OSDs pixel clock, should be synchronous to cores pixel clock to
|
||||
// avoid jitter.
|
||||
input clk_sys,
|
||||
|
||||
// SPI interface
|
||||
input SPI_SCK,
|
||||
input SPI_SS3,
|
||||
input SPI_DI,
|
||||
|
||||
input [1:0] rotate, //[0] - rotate [1] - left or right
|
||||
|
||||
// VGA signals coming from core
|
||||
input [5:0] R_in,
|
||||
input [5:0] G_in,
|
||||
input [5:0] B_in,
|
||||
input HSync,
|
||||
input VSync,
|
||||
|
||||
// VGA signals going to video connector
|
||||
output [5:0] R_out,
|
||||
output [5:0] G_out,
|
||||
output [5:0] B_out
|
||||
);
|
||||
|
||||
parameter OSD_X_OFFSET = 10'd0;
|
||||
parameter OSD_Y_OFFSET = 10'd0;
|
||||
parameter OSD_COLOR = 3'd0;
|
||||
|
||||
localparam OSD_WIDTH = 10'd256;
|
||||
localparam OSD_HEIGHT = 10'd128;
|
||||
|
||||
// *********************************************************************************
|
||||
// spi client
|
||||
// *********************************************************************************
|
||||
|
||||
// this core supports only the display related OSD commands
|
||||
// of the minimig
|
||||
reg osd_enable;
|
||||
(* ramstyle = "no_rw_check" *) reg [7:0] osd_buffer[2047:0]; // the OSD buffer itself
|
||||
|
||||
// the OSD has its own SPI interface to the io controller
|
||||
always@(posedge SPI_SCK, posedge SPI_SS3) begin
|
||||
reg [4:0] cnt;
|
||||
reg [10:0] bcnt;
|
||||
reg [7:0] sbuf;
|
||||
reg [7:0] cmd;
|
||||
|
||||
if(SPI_SS3) begin
|
||||
cnt <= 0;
|
||||
bcnt <= 0;
|
||||
end else begin
|
||||
sbuf <= {sbuf[6:0], SPI_DI};
|
||||
|
||||
// 0:7 is command, rest payload
|
||||
if(cnt < 15) cnt <= cnt + 1'd1;
|
||||
else cnt <= 8;
|
||||
|
||||
if(cnt == 7) begin
|
||||
cmd <= {sbuf[6:0], SPI_DI};
|
||||
|
||||
// lower three command bits are line address
|
||||
bcnt <= {sbuf[1:0], SPI_DI, 8'h00};
|
||||
|
||||
// command 0x40: OSDCMDENABLE, OSDCMDDISABLE
|
||||
if(sbuf[6:3] == 4'b0100) osd_enable <= SPI_DI;
|
||||
end
|
||||
|
||||
// command 0x20: OSDCMDWRITE
|
||||
if((cmd[7:3] == 5'b00100) && (cnt == 15)) begin
|
||||
osd_buffer[bcnt] <= {sbuf[6:0], SPI_DI};
|
||||
bcnt <= bcnt + 1'd1;
|
||||
end
|
||||
end
|
||||
end
|
||||
|
||||
// *********************************************************************************
|
||||
// video timing and sync polarity anaylsis
|
||||
// *********************************************************************************
|
||||
|
||||
// horizontal counter
|
||||
reg [9:0] h_cnt;
|
||||
reg [9:0] hs_low, hs_high;
|
||||
wire hs_pol = hs_high < hs_low;
|
||||
wire [9:0] dsp_width = hs_pol ? hs_low : hs_high;
|
||||
|
||||
// vertical counter
|
||||
reg [9:0] v_cnt;
|
||||
reg [9:0] vs_low, vs_high;
|
||||
wire vs_pol = vs_high < vs_low;
|
||||
wire [9:0] dsp_height = vs_pol ? vs_low : vs_high;
|
||||
|
||||
wire doublescan = (dsp_height>350);
|
||||
|
||||
reg ce_pix;
|
||||
always @(negedge clk_sys) begin
|
||||
integer cnt = 0;
|
||||
integer pixsz, pixcnt;
|
||||
reg hs;
|
||||
|
||||
cnt <= cnt + 1;
|
||||
hs <= HSync;
|
||||
|
||||
pixcnt <= pixcnt + 1;
|
||||
if(pixcnt == pixsz) pixcnt <= 0;
|
||||
ce_pix <= !pixcnt;
|
||||
|
||||
if(hs && ~HSync) begin
|
||||
cnt <= 0;
|
||||
pixsz <= (cnt >> 9) - 1;
|
||||
pixcnt <= 0;
|
||||
ce_pix <= 1;
|
||||
end
|
||||
end
|
||||
|
||||
always @(posedge clk_sys) begin
|
||||
reg hsD, hsD2;
|
||||
reg vsD, vsD2;
|
||||
|
||||
if(ce_pix) begin
|
||||
// bring hsync into local clock domain
|
||||
hsD <= HSync;
|
||||
hsD2 <= hsD;
|
||||
|
||||
// falling edge of HSync
|
||||
if(!hsD && hsD2) begin
|
||||
h_cnt <= 0;
|
||||
hs_high <= h_cnt;
|
||||
end
|
||||
|
||||
// rising edge of HSync
|
||||
else if(hsD && !hsD2) begin
|
||||
h_cnt <= 0;
|
||||
hs_low <= h_cnt;
|
||||
v_cnt <= v_cnt + 1'd1;
|
||||
end else begin
|
||||
h_cnt <= h_cnt + 1'd1;
|
||||
end
|
||||
|
||||
vsD <= VSync;
|
||||
vsD2 <= vsD;
|
||||
|
||||
// falling edge of VSync
|
||||
if(!vsD && vsD2) begin
|
||||
v_cnt <= 0;
|
||||
vs_high <= v_cnt;
|
||||
end
|
||||
|
||||
// rising edge of VSync
|
||||
else if(vsD && !vsD2) begin
|
||||
v_cnt <= 0;
|
||||
vs_low <= v_cnt;
|
||||
end
|
||||
end
|
||||
end
|
||||
|
||||
// area in which OSD is being displayed
|
||||
wire [9:0] h_osd_start = ((dsp_width - OSD_WIDTH)>> 1) + OSD_X_OFFSET;
|
||||
wire [9:0] h_osd_end = h_osd_start + OSD_WIDTH;
|
||||
wire [9:0] v_osd_start = ((dsp_height- (OSD_HEIGHT<<doublescan))>> 1) + OSD_Y_OFFSET;
|
||||
wire [9:0] v_osd_end = v_osd_start + (OSD_HEIGHT<<doublescan);
|
||||
wire [9:0] osd_hcnt = h_cnt - h_osd_start;
|
||||
wire [9:0] osd_vcnt = v_cnt - v_osd_start;
|
||||
wire [9:0] osd_hcnt_next = osd_hcnt + 2'd1; // one pixel offset for osd pixel
|
||||
wire [9:0] osd_hcnt_next2 = osd_hcnt + 2'd2; // two pixel offset for osd byte address register
|
||||
|
||||
wire osd_de = osd_enable &&
|
||||
(HSync != hs_pol) && (h_cnt >= h_osd_start) && (h_cnt < h_osd_end) &&
|
||||
(VSync != vs_pol) && (v_cnt >= v_osd_start) && (v_cnt < v_osd_end);
|
||||
|
||||
reg [10:0] osd_buffer_addr;
|
||||
wire [7:0] osd_byte = osd_buffer[osd_buffer_addr];
|
||||
reg osd_pixel;
|
||||
|
||||
always @(posedge clk_sys) begin
|
||||
if(ce_pix) begin
|
||||
osd_buffer_addr <= rotate[0] ? {rotate[1] ? osd_hcnt_next2[7:5] : ~osd_hcnt_next2[7:5],
|
||||
rotate[1] ? (doublescan ? ~osd_vcnt[7:0] : ~{osd_vcnt[6:0], 1'b0}) :
|
||||
(doublescan ? osd_vcnt[7:0] : {osd_vcnt[6:0], 1'b0})} :
|
||||
{doublescan ? osd_vcnt[7:5] : osd_vcnt[6:4], osd_hcnt_next2[7:0]};
|
||||
|
||||
osd_pixel <= rotate[0] ? osd_byte[rotate[1] ? osd_hcnt_next[4:2] : ~osd_hcnt_next[4:2]] :
|
||||
osd_byte[doublescan ? osd_vcnt[4:2] : osd_vcnt[3:1]];
|
||||
end
|
||||
end
|
||||
|
||||
assign R_out = !osd_de ? R_in : {osd_pixel, osd_pixel, OSD_COLOR[2], R_in[5:3]};
|
||||
assign G_out = !osd_de ? G_in : {osd_pixel, osd_pixel, OSD_COLOR[1], G_in[5:3]};
|
||||
assign B_out = !osd_de ? B_in : {osd_pixel, osd_pixel, OSD_COLOR[0], B_in[5:3]};
|
||||
|
||||
endmodule
|
||||
@@ -1,7 +1,7 @@
|
||||
library ieee;
|
||||
use ieee.std_logic_1164.all,ieee.numeric_std.all;
|
||||
|
||||
entity bagman_palette is
|
||||
entity botanic_palette is
|
||||
port (
|
||||
clk : in std_logic;
|
||||
addr : in std_logic_vector(5 downto 0);
|
||||
@@ -9,7 +9,7 @@ port (
|
||||
);
|
||||
end entity;
|
||||
|
||||
architecture prom of bagman_palette is
|
||||
architecture prom of botanic_palette is
|
||||
type rom is array(0 to 63) of std_logic_vector(7 downto 0);
|
||||
signal rom_data: rom := (
|
||||
X"00",X"3F",X"FF",X"F0",X"00",X"36",X"29",X"1D",X"00",X"36",X"1D",X"FF",X"00",X"FF",X"07",X"29",
|
||||
@@ -1,7 +1,7 @@
|
||||
library ieee;
|
||||
use ieee.std_logic_1164.all,ieee.numeric_std.all;
|
||||
|
||||
entity bagman_program is
|
||||
entity botanic_program is
|
||||
port (
|
||||
clk : in std_logic;
|
||||
addr : in std_logic_vector(14 downto 0);
|
||||
@@ -9,7 +9,7 @@ port (
|
||||
);
|
||||
end entity;
|
||||
|
||||
architecture prom of bagman_program is
|
||||
architecture prom of botanic_program is
|
||||
type rom is array(0 to 24575) of std_logic_vector(7 downto 0);
|
||||
signal rom_data: rom := (
|
||||
X"F3",X"C3",X"B3",X"03",X"00",X"FF",X"00",X"FF",X"D3",X"08",X"00",X"DB",X"0C",X"C9",X"00",X"FF",
|
||||
@@ -1,7 +1,7 @@
|
||||
library ieee;
|
||||
use ieee.std_logic_1164.all,ieee.numeric_std.all;
|
||||
|
||||
entity bagman_tile_bit0 is
|
||||
entity botanic_tile_bit0 is
|
||||
port (
|
||||
clk : in std_logic;
|
||||
addr : in std_logic_vector(12 downto 0);
|
||||
@@ -9,7 +9,7 @@ port (
|
||||
);
|
||||
end entity;
|
||||
|
||||
architecture prom of bagman_tile_bit0 is
|
||||
architecture prom of botanic_tile_bit0 is
|
||||
type rom is array(0 to 8191) of std_logic_vector(7 downto 0);
|
||||
signal rom_data: rom := (
|
||||
X"38",X"7C",X"C2",X"82",X"86",X"7C",X"38",X"00",X"02",X"02",X"FE",X"FE",X"42",X"02",X"00",X"00",
|
||||
@@ -1,7 +1,7 @@
|
||||
library ieee;
|
||||
use ieee.std_logic_1164.all,ieee.numeric_std.all;
|
||||
|
||||
entity bagman_tile_bit1 is
|
||||
entity botanic_tile_bit1 is
|
||||
port (
|
||||
clk : in std_logic;
|
||||
addr : in std_logic_vector(12 downto 0);
|
||||
@@ -9,7 +9,7 @@ port (
|
||||
);
|
||||
end entity;
|
||||
|
||||
architecture prom of bagman_tile_bit1 is
|
||||
architecture prom of botanic_tile_bit1 is
|
||||
type rom is array(0 to 8191) of std_logic_vector(7 downto 0);
|
||||
signal rom_data: rom := (
|
||||
X"38",X"7C",X"C2",X"82",X"86",X"7C",X"38",X"00",X"02",X"02",X"FE",X"FE",X"42",X"02",X"00",X"00",
|
||||
@@ -1,195 +0,0 @@
|
||||
//
|
||||
// scandoubler.v
|
||||
//
|
||||
// Copyright (c) 2015 Till Harbaum <till@harbaum.org>
|
||||
// Copyright (c) 2017 Sorgelig
|
||||
//
|
||||
// This source file is free software: you can redistribute it and/or modify
|
||||
// it under the terms of the GNU General Public License as published
|
||||
// by the Free Software Foundation, either version 3 of the License, or
|
||||
// (at your option) any later version.
|
||||
//
|
||||
// This source file is distributed in the hope that it will be useful,
|
||||
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
// GNU General Public License for more details.
|
||||
//
|
||||
// You should have received a copy of the GNU General Public License
|
||||
// along with this program. If not, see <http://www.gnu.org/licenses/>.
|
||||
|
||||
// TODO: Delay vsync one line
|
||||
|
||||
module scandoubler #(parameter LENGTH, parameter HALF_DEPTH)
|
||||
(
|
||||
// system interface
|
||||
input clk_sys,
|
||||
input ce_pix,
|
||||
input ce_pix_actual,
|
||||
|
||||
input hq2x,
|
||||
|
||||
// shifter video interface
|
||||
input hs_in,
|
||||
input vs_in,
|
||||
input line_start,
|
||||
|
||||
input [DWIDTH:0] r_in,
|
||||
input [DWIDTH:0] g_in,
|
||||
input [DWIDTH:0] b_in,
|
||||
input mono,
|
||||
|
||||
// output interface
|
||||
output reg hs_out,
|
||||
output vs_out,
|
||||
output [DWIDTH:0] r_out,
|
||||
output [DWIDTH:0] g_out,
|
||||
output [DWIDTH:0] b_out
|
||||
);
|
||||
|
||||
|
||||
localparam DWIDTH = HALF_DEPTH ? 2 : 5;
|
||||
|
||||
assign vs_out = vs_in;
|
||||
|
||||
reg [2:0] phase;
|
||||
reg [2:0] ce_div;
|
||||
reg [7:0] pix_len = 0;
|
||||
wire [7:0] pl = pix_len + 1'b1;
|
||||
|
||||
reg ce_x1, ce_x4;
|
||||
reg req_line_reset;
|
||||
wire ls_in = hs_in | line_start;
|
||||
always @(negedge clk_sys) begin
|
||||
reg old_ce;
|
||||
reg [2:0] ce_cnt;
|
||||
|
||||
reg [7:0] pixsz2, pixsz4 = 0;
|
||||
|
||||
old_ce <= ce_pix;
|
||||
if(~&pix_len) pix_len <= pix_len + 1'd1;
|
||||
|
||||
ce_x4 <= 0;
|
||||
ce_x1 <= 0;
|
||||
|
||||
// use such odd comparison to place c_x4 evenly if master clock isn't multiple 4.
|
||||
if((pl == pixsz4) || (pl == pixsz2) || (pl == (pixsz2+pixsz4))) begin
|
||||
phase <= phase + 1'd1;
|
||||
ce_x4 <= 1;
|
||||
end
|
||||
|
||||
if(~old_ce & ce_pix) begin
|
||||
pixsz2 <= {1'b0, pl[7:1]};
|
||||
pixsz4 <= {2'b00, pl[7:2]};
|
||||
ce_x1 <= 1;
|
||||
ce_x4 <= 1;
|
||||
pix_len <= 0;
|
||||
phase <= phase + 1'd1;
|
||||
|
||||
ce_cnt <= ce_cnt + 1'd1;
|
||||
if(ce_pix_actual) begin
|
||||
phase <= 0;
|
||||
ce_div <= ce_cnt + 1'd1;
|
||||
ce_cnt <= 0;
|
||||
req_line_reset <= 0;
|
||||
end
|
||||
|
||||
if(ls_in) req_line_reset <= 1;
|
||||
end
|
||||
end
|
||||
|
||||
reg ce_sd;
|
||||
always @(*) begin
|
||||
case(ce_div)
|
||||
2: ce_sd = !phase[0];
|
||||
4: ce_sd = !phase[1:0];
|
||||
default: ce_sd <= 1;
|
||||
endcase
|
||||
end
|
||||
|
||||
`define BITS_TO_FIT(N) ( \
|
||||
N <= 2 ? 0 : \
|
||||
N <= 4 ? 1 : \
|
||||
N <= 8 ? 2 : \
|
||||
N <= 16 ? 3 : \
|
||||
N <= 32 ? 4 : \
|
||||
N <= 64 ? 5 : \
|
||||
N <= 128 ? 6 : \
|
||||
N <= 256 ? 7 : \
|
||||
N <= 512 ? 8 : \
|
||||
N <=1024 ? 9 : 10 )
|
||||
|
||||
localparam AWIDTH = `BITS_TO_FIT(LENGTH);
|
||||
Hq2x #(.LENGTH(LENGTH), .HALF_DEPTH(HALF_DEPTH)) Hq2x
|
||||
(
|
||||
.clk(clk_sys),
|
||||
.ce_x4(ce_x4 & ce_sd),
|
||||
.inputpixel({b_in,g_in,r_in}),
|
||||
.mono(mono),
|
||||
.disable_hq2x(~hq2x),
|
||||
.reset_frame(vs_in),
|
||||
.reset_line(req_line_reset),
|
||||
.read_y(sd_line),
|
||||
.read_x(sd_h_actual),
|
||||
.outpixel({b_out,g_out,r_out})
|
||||
);
|
||||
|
||||
reg [10:0] sd_h_actual;
|
||||
always @(*) begin
|
||||
case(ce_div)
|
||||
2: sd_h_actual = sd_h[10:1];
|
||||
4: sd_h_actual = sd_h[10:2];
|
||||
default: sd_h_actual = sd_h;
|
||||
endcase
|
||||
end
|
||||
|
||||
reg [10:0] sd_h;
|
||||
reg [1:0] sd_line;
|
||||
always @(posedge clk_sys) begin
|
||||
|
||||
reg [11:0] hs_max,hs_rise,hs_ls;
|
||||
reg [10:0] hcnt;
|
||||
reg [11:0] sd_hcnt;
|
||||
|
||||
reg hs, hs2, vs, ls;
|
||||
|
||||
if(ce_x1) begin
|
||||
hs <= hs_in;
|
||||
ls <= ls_in;
|
||||
|
||||
if(ls && !ls_in) hs_ls <= {hcnt,1'b1};
|
||||
|
||||
// falling edge of hsync indicates start of line
|
||||
if(hs && !hs_in) begin
|
||||
hs_max <= {hcnt,1'b1};
|
||||
hcnt <= 0;
|
||||
if(ls && !ls_in) hs_ls <= {10'd0,1'b1};
|
||||
end else begin
|
||||
hcnt <= hcnt + 1'd1;
|
||||
end
|
||||
|
||||
// save position of rising edge
|
||||
if(!hs && hs_in) hs_rise <= {hcnt,1'b1};
|
||||
|
||||
vs <= vs_in;
|
||||
if(vs && ~vs_in) sd_line <= 0;
|
||||
end
|
||||
|
||||
if(ce_x4) begin
|
||||
hs2 <= hs_in;
|
||||
|
||||
// output counter synchronous to input and at twice the rate
|
||||
sd_hcnt <= sd_hcnt + 1'd1;
|
||||
sd_h <= sd_h + 1'd1;
|
||||
if(hs2 && !hs_in) sd_hcnt <= hs_max;
|
||||
if(sd_hcnt == hs_max) sd_hcnt <= 0;
|
||||
|
||||
// replicate horizontal sync at twice the speed
|
||||
if(sd_hcnt == hs_max) hs_out <= 0;
|
||||
if(sd_hcnt == hs_rise) hs_out <= 1;
|
||||
|
||||
if(sd_hcnt == hs_ls) sd_h <= 0;
|
||||
if(sd_hcnt == hs_ls) sd_line <= sd_line + 1'd1;
|
||||
end
|
||||
end
|
||||
|
||||
endmodule
|
||||
@@ -1,243 +0,0 @@
|
||||
//
|
||||
//
|
||||
// Copyright (c) 2017 Sorgelig
|
||||
//
|
||||
// This program is GPL Licensed. See COPYING for the full license.
|
||||
//
|
||||
//
|
||||
////////////////////////////////////////////////////////////////////////////////////////////////////////
|
||||
|
||||
`timescale 1ns / 1ps
|
||||
|
||||
//
|
||||
// LINE_LENGTH: Length of display line in pixels
|
||||
// Usually it's length from HSync to HSync.
|
||||
// May be less if line_start is used.
|
||||
//
|
||||
// HALF_DEPTH: If =1 then color dept is 3 bits per component
|
||||
// For half depth 6 bits monochrome is available with
|
||||
// mono signal enabled and color = {G, R}
|
||||
|
||||
module video_mixer
|
||||
#(
|
||||
parameter LINE_LENGTH = 480,
|
||||
parameter HALF_DEPTH = 1,
|
||||
|
||||
parameter OSD_COLOR = 3'd4,
|
||||
parameter OSD_X_OFFSET = 10'd0,
|
||||
parameter OSD_Y_OFFSET = 10'd0
|
||||
)
|
||||
(
|
||||
// master clock
|
||||
// it should be multiple by (ce_pix*4).
|
||||
input clk_sys,
|
||||
|
||||
// Pixel clock or clock_enable (both are accepted).
|
||||
input ce_pix,
|
||||
|
||||
// Some systems have multiple resolutions.
|
||||
// ce_pix_actual should match ce_pix where every second or fourth pulse is enabled,
|
||||
// thus half or qurter resolutions can be used without brake video sync while switching resolutions.
|
||||
// For fixed single resolution (or when video sync stability isn't required) ce_pix_actual = ce_pix.
|
||||
input ce_pix_actual,
|
||||
|
||||
// OSD SPI interface
|
||||
input SPI_SCK,
|
||||
input SPI_SS3,
|
||||
input SPI_DI,
|
||||
|
||||
// scanlines (00-none 01-25% 10-50% 11-75%)
|
||||
input [1:0] scanlines,
|
||||
|
||||
// 0 = HVSync 31KHz, 1 = CSync 15KHz
|
||||
input scandoublerD,
|
||||
|
||||
// High quality 2x scaling
|
||||
input hq2x,
|
||||
|
||||
// YPbPr always uses composite sync
|
||||
input ypbpr,
|
||||
|
||||
// 0 = 16-240 range. 1 = 0-255 range. (only for YPbPr color space)
|
||||
input ypbpr_full,
|
||||
input [1:0] rotate, //[0] - rotate [1] - left or right
|
||||
// color
|
||||
input [DWIDTH:0] R,
|
||||
input [DWIDTH:0] G,
|
||||
input [DWIDTH:0] B,
|
||||
|
||||
// Monochrome mode (for HALF_DEPTH only)
|
||||
input mono,
|
||||
|
||||
// interlace sync. Positive pulses.
|
||||
input HSync,
|
||||
input VSync,
|
||||
|
||||
// Falling of this signal means start of informative part of line.
|
||||
// It can be horizontal blank signal.
|
||||
// This signal can be used to reduce amount of required FPGA RAM for HQ2x scan doubler
|
||||
// If FPGA RAM is not an issue, then simply set it to 0 for whole line processing.
|
||||
// Keep in mind: due to algo first and last pixels of line should be black to avoid side artefacts.
|
||||
// Thus, if blank signal is used to reduce the line, make sure to feed at least one black (or paper) pixel
|
||||
// before first informative pixel.
|
||||
input line_start,
|
||||
|
||||
// MiST video output signals
|
||||
output [5:0] VGA_R,
|
||||
output [5:0] VGA_G,
|
||||
output [5:0] VGA_B,
|
||||
output VGA_VS,
|
||||
output VGA_HS
|
||||
);
|
||||
|
||||
localparam DWIDTH = HALF_DEPTH ? 2 : 5;
|
||||
|
||||
wire [DWIDTH:0] R_sd;
|
||||
wire [DWIDTH:0] G_sd;
|
||||
wire [DWIDTH:0] B_sd;
|
||||
wire hs_sd, vs_sd;
|
||||
|
||||
scandoubler #(.LENGTH(LINE_LENGTH), .HALF_DEPTH(HALF_DEPTH)) scandoubler
|
||||
(
|
||||
.*,
|
||||
.hs_in(HSync),
|
||||
.vs_in(VSync),
|
||||
.r_in(R),
|
||||
.g_in(G),
|
||||
.b_in(B),
|
||||
|
||||
.hs_out(hs_sd),
|
||||
.vs_out(vs_sd),
|
||||
.r_out(R_sd),
|
||||
.g_out(G_sd),
|
||||
.b_out(B_sd)
|
||||
);
|
||||
|
||||
wire [DWIDTH:0] rt = (scandoublerD ? R : R_sd);
|
||||
wire [DWIDTH:0] gt = (scandoublerD ? G : G_sd);
|
||||
wire [DWIDTH:0] bt = (scandoublerD ? B : B_sd);
|
||||
|
||||
generate
|
||||
if(HALF_DEPTH) begin
|
||||
wire [5:0] r = mono ? {gt,rt} : {rt,rt};
|
||||
wire [5:0] g = mono ? {gt,rt} : {gt,gt};
|
||||
wire [5:0] b = mono ? {gt,rt} : {bt,bt};
|
||||
end else begin
|
||||
wire [5:0] r = rt;
|
||||
wire [5:0] g = gt;
|
||||
wire [5:0] b = bt;
|
||||
end
|
||||
endgenerate
|
||||
|
||||
wire hs = (scandoublerD ? HSync : hs_sd);
|
||||
wire vs = (scandoublerD ? VSync : vs_sd);
|
||||
|
||||
reg scanline = 0;
|
||||
always @(posedge clk_sys) begin
|
||||
reg old_hs, old_vs;
|
||||
|
||||
old_hs <= hs;
|
||||
old_vs <= vs;
|
||||
|
||||
if(old_hs && ~hs) scanline <= ~scanline;
|
||||
if(old_vs && ~vs) scanline <= 0;
|
||||
end
|
||||
|
||||
wire [5:0] r_out, g_out, b_out;
|
||||
always @(*) begin
|
||||
case(scanlines & {scanline, scanline})
|
||||
1: begin // reduce 25% = 1/2 + 1/4
|
||||
r_out = {1'b0, r[5:1]} + {2'b00, r[5:2]};
|
||||
g_out = {1'b0, g[5:1]} + {2'b00, g[5:2]};
|
||||
b_out = {1'b0, b[5:1]} + {2'b00, b[5:2]};
|
||||
end
|
||||
|
||||
2: begin // reduce 50% = 1/2
|
||||
r_out = {1'b0, r[5:1]};
|
||||
g_out = {1'b0, g[5:1]};
|
||||
b_out = {1'b0, b[5:1]};
|
||||
end
|
||||
|
||||
3: begin // reduce 75% = 1/4
|
||||
r_out = {2'b00, r[5:2]};
|
||||
g_out = {2'b00, g[5:2]};
|
||||
b_out = {2'b00, b[5:2]};
|
||||
end
|
||||
|
||||
default: begin
|
||||
r_out = r;
|
||||
g_out = g;
|
||||
b_out = b;
|
||||
end
|
||||
endcase
|
||||
end
|
||||
|
||||
wire [5:0] red, green, blue;
|
||||
osd #(OSD_X_OFFSET, OSD_Y_OFFSET, OSD_COLOR) osd
|
||||
(
|
||||
.*,
|
||||
|
||||
.R_in(r_out),
|
||||
.G_in(g_out),
|
||||
.B_in(b_out),
|
||||
.HSync(hs),
|
||||
.VSync(vs),
|
||||
.rotate(rotate),
|
||||
|
||||
.R_out(red),
|
||||
.G_out(green),
|
||||
.B_out(blue)
|
||||
);
|
||||
|
||||
wire [5:0] yuv_full[225] = '{
|
||||
6'd0, 6'd0, 6'd0, 6'd0, 6'd1, 6'd1, 6'd1, 6'd1,
|
||||
6'd2, 6'd2, 6'd2, 6'd3, 6'd3, 6'd3, 6'd3, 6'd4,
|
||||
6'd4, 6'd4, 6'd5, 6'd5, 6'd5, 6'd5, 6'd6, 6'd6,
|
||||
6'd6, 6'd7, 6'd7, 6'd7, 6'd7, 6'd8, 6'd8, 6'd8,
|
||||
6'd9, 6'd9, 6'd9, 6'd9, 6'd10, 6'd10, 6'd10, 6'd11,
|
||||
6'd11, 6'd11, 6'd11, 6'd12, 6'd12, 6'd12, 6'd13, 6'd13,
|
||||
6'd13, 6'd13, 6'd14, 6'd14, 6'd14, 6'd15, 6'd15, 6'd15,
|
||||
6'd15, 6'd16, 6'd16, 6'd16, 6'd17, 6'd17, 6'd17, 6'd17,
|
||||
6'd18, 6'd18, 6'd18, 6'd19, 6'd19, 6'd19, 6'd19, 6'd20,
|
||||
6'd20, 6'd20, 6'd21, 6'd21, 6'd21, 6'd21, 6'd22, 6'd22,
|
||||
6'd22, 6'd23, 6'd23, 6'd23, 6'd23, 6'd24, 6'd24, 6'd24,
|
||||
6'd25, 6'd25, 6'd25, 6'd25, 6'd26, 6'd26, 6'd26, 6'd27,
|
||||
6'd27, 6'd27, 6'd27, 6'd28, 6'd28, 6'd28, 6'd29, 6'd29,
|
||||
6'd29, 6'd29, 6'd30, 6'd30, 6'd30, 6'd31, 6'd31, 6'd31,
|
||||
6'd31, 6'd32, 6'd32, 6'd32, 6'd33, 6'd33, 6'd33, 6'd33,
|
||||
6'd34, 6'd34, 6'd34, 6'd35, 6'd35, 6'd35, 6'd35, 6'd36,
|
||||
6'd36, 6'd36, 6'd36, 6'd37, 6'd37, 6'd37, 6'd38, 6'd38,
|
||||
6'd38, 6'd38, 6'd39, 6'd39, 6'd39, 6'd40, 6'd40, 6'd40,
|
||||
6'd40, 6'd41, 6'd41, 6'd41, 6'd42, 6'd42, 6'd42, 6'd42,
|
||||
6'd43, 6'd43, 6'd43, 6'd44, 6'd44, 6'd44, 6'd44, 6'd45,
|
||||
6'd45, 6'd45, 6'd46, 6'd46, 6'd46, 6'd46, 6'd47, 6'd47,
|
||||
6'd47, 6'd48, 6'd48, 6'd48, 6'd48, 6'd49, 6'd49, 6'd49,
|
||||
6'd50, 6'd50, 6'd50, 6'd50, 6'd51, 6'd51, 6'd51, 6'd52,
|
||||
6'd52, 6'd52, 6'd52, 6'd53, 6'd53, 6'd53, 6'd54, 6'd54,
|
||||
6'd54, 6'd54, 6'd55, 6'd55, 6'd55, 6'd56, 6'd56, 6'd56,
|
||||
6'd56, 6'd57, 6'd57, 6'd57, 6'd58, 6'd58, 6'd58, 6'd58,
|
||||
6'd59, 6'd59, 6'd59, 6'd60, 6'd60, 6'd60, 6'd60, 6'd61,
|
||||
6'd61, 6'd61, 6'd62, 6'd62, 6'd62, 6'd62, 6'd63, 6'd63,
|
||||
6'd63
|
||||
};
|
||||
|
||||
// http://marsee101.blog19.fc2.com/blog-entry-2311.html
|
||||
// Y = 16 + 0.257*R + 0.504*G + 0.098*B (Y = 0.299*R + 0.587*G + 0.114*B)
|
||||
// Pb = 128 - 0.148*R - 0.291*G + 0.439*B (Pb = -0.169*R - 0.331*G + 0.500*B)
|
||||
// Pr = 128 + 0.439*R - 0.368*G - 0.071*B (Pr = 0.500*R - 0.419*G - 0.081*B)
|
||||
|
||||
wire [18:0] y_8 = 19'd04096 + ({red, 8'd0} + {red, 3'd0}) + ({green, 9'd0} + {green, 2'd0}) + ({blue, 6'd0} + {blue, 5'd0} + {blue, 2'd0});
|
||||
wire [18:0] pb_8 = 19'd32768 - ({red, 7'd0} + {red, 4'd0} + {red, 3'd0}) - ({green, 8'd0} + {green, 5'd0} + {green, 3'd0}) + ({blue, 8'd0} + {blue, 7'd0} + {blue, 6'd0});
|
||||
wire [18:0] pr_8 = 19'd32768 + ({red, 8'd0} + {red, 7'd0} + {red, 6'd0}) - ({green, 8'd0} + {green, 6'd0} + {green, 5'd0} + {green, 4'd0} + {green, 3'd0}) - ({blue, 6'd0} + {blue , 3'd0});
|
||||
|
||||
wire [7:0] y = ( y_8[17:8] < 16) ? 8'd16 : ( y_8[17:8] > 235) ? 8'd235 : y_8[15:8];
|
||||
wire [7:0] pb = (pb_8[17:8] < 16) ? 8'd16 : (pb_8[17:8] > 240) ? 8'd240 : pb_8[15:8];
|
||||
wire [7:0] pr = (pr_8[17:8] < 16) ? 8'd16 : (pr_8[17:8] > 240) ? 8'd240 : pr_8[15:8];
|
||||
|
||||
assign VGA_R = ypbpr ? (ypbpr_full ? yuv_full[pr-8'd16] : pr[7:2]) : red;
|
||||
assign VGA_G = ypbpr ? (ypbpr_full ? yuv_full[y -8'd16] : y[7:2]) : green;
|
||||
assign VGA_B = ypbpr ? (ypbpr_full ? yuv_full[pb-8'd16] : pb[7:2]) : blue;
|
||||
assign VGA_VS = (scandoublerD | ypbpr) ? 1'b1 : ~vs_sd;
|
||||
assign VGA_HS = scandoublerD ? ~(HSync ^ VSync) : ypbpr ? ~(hs_sd ^ vs_sd) : ~hs_sd;
|
||||
|
||||
endmodule
|
||||
@@ -18,7 +18,7 @@
|
||||
#
|
||||
# Quartus II 64-Bit
|
||||
# Version 13.1.4 Build 182 03/12/2014 SJ Web Edition
|
||||
# Date created = 17:50:07 April 15, 2019
|
||||
# Date created = 15:06:03 September 09, 2019
|
||||
#
|
||||
# -------------------------------------------------------------------------- #
|
||||
#
|
||||
@@ -46,26 +46,21 @@ set_global_assignment -name PRE_FLOW_SCRIPT_FILE "quartus_sh:rtl/build_id.tcl"
|
||||
set_global_assignment -name PROJECT_OUTPUT_DIRECTORY output_files
|
||||
set_global_assignment -name SYSTEMVERILOG_FILE rtl/Pickin_MiST.sv
|
||||
set_global_assignment -name VHDL_FILE rtl/Pickin.vhd
|
||||
set_global_assignment -name VHDL_FILE rtl/bagman_tile_bit0.vhd
|
||||
set_global_assignment -name VHDL_FILE rtl/bagman_tile_bit1.vhd
|
||||
set_global_assignment -name VHDL_FILE rtl/bagman_program.vhd
|
||||
set_global_assignment -name VHDL_FILE rtl/bagman_palette.vhd
|
||||
set_global_assignment -name VHDL_FILE rtl/ym_2149_linmix.vhd
|
||||
set_global_assignment -name VHDL_FILE rtl/video_gen.vhd
|
||||
set_global_assignment -name VHDL_FILE rtl/gen_ram.vhd
|
||||
set_global_assignment -name VHDL_FILE rtl/rom/pickin_tile_bit1.vhd
|
||||
set_global_assignment -name VHDL_FILE rtl/rom/pickin_tile_bit0.vhd
|
||||
set_global_assignment -name VHDL_FILE rtl/rom/pickin_program.vhd
|
||||
set_global_assignment -name VHDL_FILE rtl/rom/pickin_palette.vhd
|
||||
set_global_assignment -name VHDL_FILE rtl/T80/T80s.vhd
|
||||
set_global_assignment -name VHDL_FILE rtl/T80/T80_Reg.vhd
|
||||
set_global_assignment -name VHDL_FILE rtl/T80/T80_Pack.vhd
|
||||
set_global_assignment -name VHDL_FILE rtl/T80/T80_MCode.vhd
|
||||
set_global_assignment -name VHDL_FILE rtl/T80/T80_ALU.vhd
|
||||
set_global_assignment -name VHDL_FILE rtl/T80/T80.vhd
|
||||
set_global_assignment -name VHDL_FILE rtl/ym_2149_linmix.vhd
|
||||
set_global_assignment -name SYSTEMVERILOG_FILE rtl/video_mixer.sv
|
||||
set_global_assignment -name VHDL_FILE rtl/video_gen.vhd
|
||||
set_global_assignment -name SYSTEMVERILOG_FILE rtl/scandoubler.sv
|
||||
set_global_assignment -name SYSTEMVERILOG_FILE rtl/osd.sv
|
||||
set_global_assignment -name SYSTEMVERILOG_FILE rtl/mist_io.sv
|
||||
set_global_assignment -name SYSTEMVERILOG_FILE rtl/hq2x.sv
|
||||
set_global_assignment -name VHDL_FILE rtl/gen_ram.vhd
|
||||
set_global_assignment -name SYSTEMVERILOG_FILE rtl/dac.sv
|
||||
set_global_assignment -name VERILOG_FILE rtl/pll.v
|
||||
set_global_assignment -name QIP_FILE ../../../common/mist/mist.qip
|
||||
|
||||
# Pin & Location Assignments
|
||||
# ==========================
|
||||
@@ -161,10 +156,10 @@ set_global_assignment -name OUTPUT_IO_TIMING_FAR_END_VMEAS "HALF SIGNAL SWING" -
|
||||
set_global_assignment -name PARTITION_NETLIST_TYPE SOURCE -section_id Top
|
||||
set_global_assignment -name PARTITION_FITTER_PRESERVATION_LEVEL PLACEMENT_AND_ROUTING -section_id Top
|
||||
set_global_assignment -name PARTITION_COLOR 16764057 -section_id Top
|
||||
set_instance_assignment -name PARTITION_HIERARCHY root_partition -to | -section_id Top
|
||||
|
||||
# end DESIGN_PARTITION(Top)
|
||||
# -------------------------
|
||||
|
||||
# end ENTITY(Pickin_MiST)
|
||||
# -----------------------
|
||||
set_instance_assignment -name PARTITION_HIERARCHY root_partition -to | -section_id Top
|
||||
# -----------------------
|
||||
@@ -3,7 +3,6 @@ Pickin Port to Mist FPGA by Gehstock
|
||||
Work in Progress
|
||||
|
||||
-minor GFX Problems
|
||||
-Sound
|
||||
|
||||
|
||||
|
||||
|
||||
Binary file not shown.
@@ -147,9 +147,7 @@ signal player2 : std_logic_vector(7 downto 0);
|
||||
signal coins : std_logic_vector(7 downto 0);
|
||||
|
||||
-- line doubler I/O
|
||||
signal video_i : std_logic_vector (7 downto 0);
|
||||
signal video_o : std_logic_vector (7 downto 0);
|
||||
signal video_s : std_logic_vector (7 downto 0);
|
||||
signal hsync_o : std_logic;
|
||||
signal vsync_o : std_logic;
|
||||
|
||||
@@ -184,26 +182,10 @@ begin
|
||||
ena_pixel <= not ena_pixel;
|
||||
end if;
|
||||
end process;
|
||||
|
||||
------------------
|
||||
-- video output
|
||||
------------------
|
||||
process(clock_12)
|
||||
begin
|
||||
if rising_edge(clock_12) then
|
||||
if ena_pixel = '1' then
|
||||
if hblank = '0' then
|
||||
video_i <= do_palette;
|
||||
else
|
||||
video_i <= (others => '0');
|
||||
end if;
|
||||
end if;
|
||||
end if;
|
||||
end process;
|
||||
|
||||
video_r <= video_s(2 downto 0);
|
||||
video_g <= video_s(5 downto 3);
|
||||
video_b <= video_s(7 downto 6);
|
||||
video_r <= do_palette(2 downto 0);
|
||||
video_g <= do_palette(5 downto 3);
|
||||
video_b <= do_palette(7 downto 6);
|
||||
|
||||
|
||||
video_hblank <= hblank;
|
||||
@@ -211,7 +193,6 @@ video_vblank <= vblank;
|
||||
|
||||
video_hs <= hsync;
|
||||
video_vs <= vsync;
|
||||
video_s <= video_i;
|
||||
|
||||
------------------
|
||||
-- player controls
|
||||
@@ -307,15 +288,14 @@ with cpu_addr(15 downto 11) select
|
||||
-- cabinet 0 = upright, 1 = cocktail (NA)
|
||||
|
||||
|
||||
cpu_di <= ym_8910_data when cpu_iorq_n = '0' else
|
||||
ym_8910_data2 when ym2_we_n = '0' else--1011100000000000
|
||||
cpu_di_mem;
|
||||
cpu_di <= ym_8910_data when cpu_iorq_n = '0' else cpu_di_mem;
|
||||
|
||||
-----------------------
|
||||
-- mux sound and music
|
||||
-----------------------
|
||||
audio_out <= ym_8910_audio & ym_8910_audio2;
|
||||
|
||||
|
||||
-------------------------------------
|
||||
-- color ram addressing scheme
|
||||
-------------------------------------
|
||||
@@ -528,7 +508,7 @@ port map (
|
||||
);
|
||||
|
||||
-- sprite palette rom
|
||||
palette : entity work.bagman_palette
|
||||
palette : entity work.pickin_palette
|
||||
port map (
|
||||
addr => pixel_color_r,
|
||||
clk => clock_12,
|
||||
@@ -616,7 +596,7 @@ port map (
|
||||
|
||||
|
||||
-- program rom
|
||||
program : entity work.bagman_program
|
||||
program : entity work.pickin_program
|
||||
port map (
|
||||
addr => cpu_addr(14 downto 0),
|
||||
clk => clock_12n,
|
||||
@@ -657,7 +637,7 @@ port map(
|
||||
);
|
||||
|
||||
-- sprite and background graphics rom
|
||||
tile_bit0 : entity work.bagman_tile_bit0
|
||||
tile_bit0 : entity work.pickin_tile_bit0
|
||||
port map (
|
||||
addr => tile_graph_rom_addr,
|
||||
clk => clock_12n,
|
||||
@@ -665,7 +645,7 @@ port map (
|
||||
);
|
||||
|
||||
-- sprite and background graphics rom
|
||||
tile_bit1 : entity work.bagman_tile_bit1
|
||||
tile_bit1 : entity work.pickin_tile_bit1
|
||||
port map (
|
||||
addr => tile_graph_rom_addr,
|
||||
clk => clock_12n,
|
||||
|
||||
@@ -16,25 +16,24 @@ module Pickin_MiST (
|
||||
input CLOCK_27
|
||||
);
|
||||
|
||||
`include "rtl\build_id.sv"
|
||||
`include "rtl\build_id.v"
|
||||
|
||||
localparam CONF_STR = {
|
||||
"Pickin;;",
|
||||
"O2,Rotate Controls,Off,On;",
|
||||
"O34,Scandoubler Fx,None,HQ2x,CRT 25%,CRT 50%;",
|
||||
"T6,Reset;",
|
||||
"V,v1.20.",`BUILD_DATE
|
||||
"V,v1.25.",`BUILD_DATE
|
||||
};
|
||||
|
||||
assign LED = 1;
|
||||
assign AUDIO_R = AUDIO_L;
|
||||
|
||||
wire clock_24, clock_12, clock_6;
|
||||
wire clock_24, clock_12;
|
||||
pll pll(
|
||||
.inclk0(CLOCK_27),
|
||||
.c0(clock_24),
|
||||
.c1(clock_12),
|
||||
.c2(clock_6)
|
||||
.c1(clock_12)
|
||||
);
|
||||
|
||||
wire [31:0] status;
|
||||
@@ -45,13 +44,15 @@ wire [7:0] joystick_0;
|
||||
wire [7:0] joystick_1;
|
||||
wire scandoublerD;
|
||||
wire ypbpr;
|
||||
wire [10:0] ps2_key;
|
||||
wire [15:0] audio;
|
||||
wire hs, vs;
|
||||
wire hb, vb;
|
||||
wire blankn = ~(hb | vb);
|
||||
wire [2:0] r, g;
|
||||
wire [1:0] b;
|
||||
wire key_strobe;
|
||||
wire key_pressed;
|
||||
wire [7:0] key_code;
|
||||
|
||||
Pickin Pickin(
|
||||
.clock_12(clock_12),
|
||||
@@ -79,68 +80,60 @@ Pickin Pickin(
|
||||
.up2(m_up)
|
||||
);
|
||||
|
||||
video_mixer video_mixer(
|
||||
.clk_sys(clock_24),
|
||||
.ce_pix(clock_6),
|
||||
.ce_pix_actual(clock_6),
|
||||
.SPI_SCK(SPI_SCK),
|
||||
.SPI_SS3(SPI_SS3),
|
||||
.SPI_DI(SPI_DI),
|
||||
.R(blankn ? r : "000"),
|
||||
.G(blankn ? g : "000"),
|
||||
.B(blankn ? {b,1'b0} : "000"),
|
||||
.HSync(hs),
|
||||
.VSync(vs),
|
||||
.VGA_R(VGA_R),
|
||||
.VGA_G(VGA_G),
|
||||
.VGA_B(VGA_B),
|
||||
.VGA_VS(VGA_VS),
|
||||
.VGA_HS(VGA_HS),
|
||||
.scandoublerD(scandoublerD),
|
||||
.scanlines(scandoublerD ? 2'b00 : status[4:3]),
|
||||
.rotate({1'b1,status[2]}),
|
||||
.ypbpr(ypbpr),
|
||||
.ypbpr_full(1),
|
||||
.line_start(0),
|
||||
.mono(0)
|
||||
);
|
||||
mist_video #(.COLOR_DEPTH(3), .SD_HCNT_WIDTH(10)) mist_video(
|
||||
.clk_sys ( clock_24 ),
|
||||
.SPI_SCK ( SPI_SCK ),
|
||||
.SPI_SS3 ( SPI_SS3 ),
|
||||
.SPI_DI ( SPI_DI ),
|
||||
.R ( blankn ? r : 0 ),
|
||||
.G ( blankn ? g : 0 ),
|
||||
.B ( blankn ? {b,1'b0} : 0 ),
|
||||
.HSync ( hs ),
|
||||
.VSync ( vs ),
|
||||
.VGA_R ( VGA_R ),
|
||||
.VGA_G ( VGA_G ),
|
||||
.VGA_B ( VGA_B ),
|
||||
.VGA_VS ( VGA_VS ),
|
||||
.VGA_HS ( VGA_HS ),
|
||||
.rotate ( {1'b1,status[2]} ),
|
||||
.scandoubler_disable( scandoublerD ),
|
||||
.scanlines ( status[4:3] ),
|
||||
.ypbpr ( ypbpr )
|
||||
);
|
||||
|
||||
mist_io #(
|
||||
.STRLEN(($size(CONF_STR)>>3)))
|
||||
mist_io(
|
||||
user_io #(.STRLEN(($size(CONF_STR)>>3)))user_io(
|
||||
.clk_sys (clock_24 ),
|
||||
.conf_str (CONF_STR ),
|
||||
.SPI_SCK (SPI_SCK ),
|
||||
.CONF_DATA0 (CONF_DATA0 ),
|
||||
.SPI_SS2 (SPI_SS2 ),
|
||||
.SPI_DO (SPI_DO ),
|
||||
.SPI_DI (SPI_DI ),
|
||||
.SPI_CLK (SPI_SCK ),
|
||||
.SPI_SS_IO (CONF_DATA0 ),
|
||||
.SPI_MISO (SPI_DO ),
|
||||
.SPI_MOSI (SPI_DI ),
|
||||
.buttons (buttons ),
|
||||
.switches (switches ),
|
||||
.scandoublerD (scandoublerD ),
|
||||
.switches (switches ),
|
||||
.scandoubler_disable (scandoublerD ),
|
||||
.ypbpr (ypbpr ),
|
||||
.ps2_key (ps2_key ),
|
||||
.joystick_0 (joystick_0 ),
|
||||
.key_strobe (key_strobe ),
|
||||
.key_pressed (key_pressed ),
|
||||
.key_code (key_code ),
|
||||
.joystick_0 (joystick_0 ),
|
||||
.joystick_1 (joystick_1 ),
|
||||
.status (status )
|
||||
);
|
||||
|
||||
dac #(
|
||||
.MSBI(15))
|
||||
dac(
|
||||
.CLK(clock_24),
|
||||
.RESET(1'b0),
|
||||
.DACin({audio[15],audio[14:0]}),
|
||||
.DACout(AUDIO_L)
|
||||
|
||||
dac #(.C_bits(16))dac(
|
||||
.clk_i(clock_24),
|
||||
.res_n_i(1),
|
||||
.dac_i(audio),
|
||||
.dac_o(AUDIO_L)
|
||||
);
|
||||
|
||||
|
||||
// Rotated Normal
|
||||
wire m_up = ~status[2] ? btn_left | joystick_0[1] | joystick_1[1] : btn_up | joystick_0[3] | joystick_1[3];
|
||||
wire m_down = ~status[2] ? btn_right | joystick_0[0] | joystick_1[0] : btn_down | joystick_0[2] | joystick_1[2];
|
||||
wire m_left = ~status[2] ? btn_down | joystick_0[2] | joystick_1[2] : btn_left | joystick_0[1] | joystick_1[1];
|
||||
wire m_right = ~status[2] ? btn_up | joystick_0[3] | joystick_1[3] : btn_right | joystick_0[0] | joystick_1[0];
|
||||
wire m_fire = btn_fire1 | joystick_0[4] | joystick_1[4];
|
||||
wire m_bomb = btn_fire2 | joystick_0[5] | joystick_1[5];
|
||||
//wire m_bomb = btn_fire2 | joystick_0[5] | joystick_1[5];
|
||||
|
||||
reg btn_one_player = 0;
|
||||
reg btn_two_players = 0;
|
||||
@@ -149,27 +142,25 @@ reg btn_right = 0;
|
||||
reg btn_down = 0;
|
||||
reg btn_up = 0;
|
||||
reg btn_fire1 = 0;
|
||||
reg btn_fire2 = 0;
|
||||
reg btn_fire3 = 0;
|
||||
//reg btn_fire2 = 0;
|
||||
//reg btn_fire3 = 0;
|
||||
reg btn_coin = 0;
|
||||
wire pressed = ps2_key[9];
|
||||
wire [7:0] code = ps2_key[7:0];
|
||||
|
||||
always @(posedge clock_24) begin
|
||||
reg old_state;
|
||||
old_state <= ps2_key[10];
|
||||
if(old_state != ps2_key[10]) begin
|
||||
case(code)
|
||||
'h75: btn_up <= pressed; // up
|
||||
'h72: btn_down <= pressed; // down
|
||||
'h6B: btn_left <= pressed; // left
|
||||
'h74: btn_right <= pressed; // right
|
||||
'h76: btn_coin <= pressed; // ESC
|
||||
'h05: btn_one_player <= pressed; // F1
|
||||
'h06: btn_two_players <= pressed; // F2
|
||||
'h14: btn_fire3 <= pressed; // ctrl
|
||||
'h11: btn_fire2 <= pressed; // alt
|
||||
'h29: btn_fire1 <= pressed; // Space
|
||||
old_state <= key_strobe;
|
||||
if(old_state != key_strobe) begin
|
||||
case(key_code)
|
||||
'h75: btn_up <= key_pressed; // up
|
||||
'h72: btn_down <= key_pressed; // down
|
||||
'h6B: btn_left <= key_pressed; // left
|
||||
'h74: btn_right <= key_pressed; // right
|
||||
'h76: btn_coin <= key_pressed; // ESC
|
||||
'h05: btn_one_player <= key_pressed; // F1
|
||||
'h06: btn_two_players <= key_pressed; // F2
|
||||
//'h14: btn_fire3 <= key_pressed; // ctrl
|
||||
//'h11: btn_fire2 <= key_pressed; // alt
|
||||
'h29: btn_fire1 <= key_pressed; // Space
|
||||
endcase
|
||||
end
|
||||
end
|
||||
|
||||
@@ -1,2 +0,0 @@
|
||||
`define BUILD_DATE "190508"
|
||||
`define BUILD_TIME "165616"
|
||||
@@ -17,7 +17,7 @@ proc generateBuildID_Verilog {} {
|
||||
set buildTime [ clock format [ clock seconds ] -format %H%M%S ]
|
||||
|
||||
# Create a Verilog file for output
|
||||
set outputFileName "rtl/build_id.sv"
|
||||
set outputFileName "rtl/build_id.v"
|
||||
set outputFile [open $outputFileName "w"]
|
||||
|
||||
# Output the Verilog source
|
||||
|
||||
@@ -1,33 +0,0 @@
|
||||
//
|
||||
// PWM DAC
|
||||
//
|
||||
// MSBI is the highest bit number. NOT amount of bits!
|
||||
//
|
||||
module dac #(parameter MSBI=12, parameter INV=1'b1)
|
||||
(
|
||||
output reg DACout, //Average Output feeding analog lowpass
|
||||
input [MSBI:0] DACin, //DAC input (excess 2**MSBI)
|
||||
input CLK,
|
||||
input RESET
|
||||
);
|
||||
|
||||
reg [MSBI+2:0] DeltaAdder; //Output of Delta Adder
|
||||
reg [MSBI+2:0] SigmaAdder; //Output of Sigma Adder
|
||||
reg [MSBI+2:0] SigmaLatch; //Latches output of Sigma Adder
|
||||
reg [MSBI+2:0] DeltaB; //B input of Delta Adder
|
||||
|
||||
always @(*) DeltaB = {SigmaLatch[MSBI+2], SigmaLatch[MSBI+2]} << (MSBI+1);
|
||||
always @(*) DeltaAdder = DACin + DeltaB;
|
||||
always @(*) SigmaAdder = DeltaAdder + SigmaLatch;
|
||||
|
||||
always @(posedge CLK or posedge RESET) begin
|
||||
if(RESET) begin
|
||||
SigmaLatch <= 1'b1 << (MSBI+1);
|
||||
DACout <= INV;
|
||||
end else begin
|
||||
SigmaLatch <= SigmaAdder;
|
||||
DACout <= SigmaLatch[MSBI+2] ^ INV;
|
||||
end
|
||||
end
|
||||
|
||||
endmodule
|
||||
@@ -1,454 +0,0 @@
|
||||
//
|
||||
//
|
||||
// Copyright (c) 2012-2013 Ludvig Strigeus
|
||||
// Copyright (c) 2017 Sorgelig
|
||||
//
|
||||
// This program is GPL Licensed. See COPYING for the full license.
|
||||
//
|
||||
//
|
||||
////////////////////////////////////////////////////////////////////////////////////////////////////////
|
||||
|
||||
// synopsys translate_off
|
||||
`timescale 1 ps / 1 ps
|
||||
// synopsys translate_on
|
||||
|
||||
`define BITS_TO_FIT(N) ( \
|
||||
N <= 2 ? 0 : \
|
||||
N <= 4 ? 1 : \
|
||||
N <= 8 ? 2 : \
|
||||
N <= 16 ? 3 : \
|
||||
N <= 32 ? 4 : \
|
||||
N <= 64 ? 5 : \
|
||||
N <= 128 ? 6 : \
|
||||
N <= 256 ? 7 : \
|
||||
N <= 512 ? 8 : \
|
||||
N <=1024 ? 9 : 10 )
|
||||
|
||||
module hq2x_in #(parameter LENGTH, parameter DWIDTH)
|
||||
(
|
||||
input clk,
|
||||
|
||||
input [AWIDTH:0] rdaddr,
|
||||
input rdbuf,
|
||||
output[DWIDTH:0] q,
|
||||
|
||||
input [AWIDTH:0] wraddr,
|
||||
input wrbuf,
|
||||
input [DWIDTH:0] data,
|
||||
input wren
|
||||
);
|
||||
|
||||
localparam AWIDTH = `BITS_TO_FIT(LENGTH);
|
||||
wire [DWIDTH:0] out[2];
|
||||
assign q = out[rdbuf];
|
||||
|
||||
hq2x_buf #(.NUMWORDS(LENGTH), .AWIDTH(AWIDTH), .DWIDTH(DWIDTH)) buf0(clk,data,rdaddr,wraddr,wren && (wrbuf == 0),out[0]);
|
||||
hq2x_buf #(.NUMWORDS(LENGTH), .AWIDTH(AWIDTH), .DWIDTH(DWIDTH)) buf1(clk,data,rdaddr,wraddr,wren && (wrbuf == 1),out[1]);
|
||||
endmodule
|
||||
|
||||
|
||||
module hq2x_out #(parameter LENGTH, parameter DWIDTH)
|
||||
(
|
||||
input clk,
|
||||
|
||||
input [AWIDTH:0] rdaddr,
|
||||
input [1:0] rdbuf,
|
||||
output[DWIDTH:0] q,
|
||||
|
||||
input [AWIDTH:0] wraddr,
|
||||
input [1:0] wrbuf,
|
||||
input [DWIDTH:0] data,
|
||||
input wren
|
||||
);
|
||||
|
||||
localparam AWIDTH = `BITS_TO_FIT(LENGTH*2);
|
||||
wire [DWIDTH:0] out[4];
|
||||
assign q = out[rdbuf];
|
||||
|
||||
hq2x_buf #(.NUMWORDS(LENGTH*2), .AWIDTH(AWIDTH), .DWIDTH(DWIDTH)) buf0(clk,data,rdaddr,wraddr,wren && (wrbuf == 0),out[0]);
|
||||
hq2x_buf #(.NUMWORDS(LENGTH*2), .AWIDTH(AWIDTH), .DWIDTH(DWIDTH)) buf1(clk,data,rdaddr,wraddr,wren && (wrbuf == 1),out[1]);
|
||||
hq2x_buf #(.NUMWORDS(LENGTH*2), .AWIDTH(AWIDTH), .DWIDTH(DWIDTH)) buf2(clk,data,rdaddr,wraddr,wren && (wrbuf == 2),out[2]);
|
||||
hq2x_buf #(.NUMWORDS(LENGTH*2), .AWIDTH(AWIDTH), .DWIDTH(DWIDTH)) buf3(clk,data,rdaddr,wraddr,wren && (wrbuf == 3),out[3]);
|
||||
endmodule
|
||||
|
||||
|
||||
module hq2x_buf #(parameter NUMWORDS, parameter AWIDTH, parameter DWIDTH)
|
||||
(
|
||||
input clock,
|
||||
input [DWIDTH:0] data,
|
||||
input [AWIDTH:0] rdaddress,
|
||||
input [AWIDTH:0] wraddress,
|
||||
input wren,
|
||||
output [DWIDTH:0] q
|
||||
);
|
||||
|
||||
altsyncram altsyncram_component (
|
||||
.address_a (wraddress),
|
||||
.clock0 (clock),
|
||||
.data_a (data),
|
||||
.wren_a (wren),
|
||||
.address_b (rdaddress),
|
||||
.q_b(q),
|
||||
.aclr0 (1'b0),
|
||||
.aclr1 (1'b0),
|
||||
.addressstall_a (1'b0),
|
||||
.addressstall_b (1'b0),
|
||||
.byteena_a (1'b1),
|
||||
.byteena_b (1'b1),
|
||||
.clock1 (1'b1),
|
||||
.clocken0 (1'b1),
|
||||
.clocken1 (1'b1),
|
||||
.clocken2 (1'b1),
|
||||
.clocken3 (1'b1),
|
||||
.data_b ({(DWIDTH+1){1'b1}}),
|
||||
.eccstatus (),
|
||||
.q_a (),
|
||||
.rden_a (1'b1),
|
||||
.rden_b (1'b1),
|
||||
.wren_b (1'b0));
|
||||
defparam
|
||||
altsyncram_component.address_aclr_b = "NONE",
|
||||
altsyncram_component.address_reg_b = "CLOCK0",
|
||||
altsyncram_component.clock_enable_input_a = "BYPASS",
|
||||
altsyncram_component.clock_enable_input_b = "BYPASS",
|
||||
altsyncram_component.clock_enable_output_b = "BYPASS",
|
||||
altsyncram_component.intended_device_family = "Cyclone III",
|
||||
altsyncram_component.lpm_type = "altsyncram",
|
||||
altsyncram_component.numwords_a = NUMWORDS,
|
||||
altsyncram_component.numwords_b = NUMWORDS,
|
||||
altsyncram_component.operation_mode = "DUAL_PORT",
|
||||
altsyncram_component.outdata_aclr_b = "NONE",
|
||||
altsyncram_component.outdata_reg_b = "UNREGISTERED",
|
||||
altsyncram_component.power_up_uninitialized = "FALSE",
|
||||
altsyncram_component.read_during_write_mode_mixed_ports = "DONT_CARE",
|
||||
altsyncram_component.widthad_a = AWIDTH+1,
|
||||
altsyncram_component.widthad_b = AWIDTH+1,
|
||||
altsyncram_component.width_a = DWIDTH+1,
|
||||
altsyncram_component.width_b = DWIDTH+1,
|
||||
altsyncram_component.width_byteena_a = 1;
|
||||
|
||||
endmodule
|
||||
|
||||
////////////////////////////////////////////////////////////////////////////////////////////////////////
|
||||
|
||||
module DiffCheck
|
||||
(
|
||||
input [17:0] rgb1,
|
||||
input [17:0] rgb2,
|
||||
output result
|
||||
);
|
||||
|
||||
wire [5:0] r = rgb1[5:1] - rgb2[5:1];
|
||||
wire [5:0] g = rgb1[11:7] - rgb2[11:7];
|
||||
wire [5:0] b = rgb1[17:13] - rgb2[17:13];
|
||||
wire [6:0] t = $signed(r) + $signed(b);
|
||||
wire [6:0] gx = {g[5], g};
|
||||
wire [7:0] y = $signed(t) + $signed(gx);
|
||||
wire [6:0] u = $signed(r) - $signed(b);
|
||||
wire [7:0] v = $signed({g, 1'b0}) - $signed(t);
|
||||
|
||||
// if y is inside (-24..24)
|
||||
wire y_inside = (y < 8'h18 || y >= 8'he8);
|
||||
|
||||
// if u is inside (-4, 4)
|
||||
wire u_inside = (u < 7'h4 || u >= 7'h7c);
|
||||
|
||||
// if v is inside (-6, 6)
|
||||
wire v_inside = (v < 8'h6 || v >= 8'hfA);
|
||||
assign result = !(y_inside && u_inside && v_inside);
|
||||
endmodule
|
||||
|
||||
module InnerBlend
|
||||
(
|
||||
input [8:0] Op,
|
||||
input [5:0] A,
|
||||
input [5:0] B,
|
||||
input [5:0] C,
|
||||
output [5:0] O
|
||||
);
|
||||
|
||||
function [8:0] mul6x3;
|
||||
input [5:0] op1;
|
||||
input [2:0] op2;
|
||||
begin
|
||||
mul6x3 = 9'd0;
|
||||
if(op2[0]) mul6x3 = mul6x3 + op1;
|
||||
if(op2[1]) mul6x3 = mul6x3 + {op1, 1'b0};
|
||||
if(op2[2]) mul6x3 = mul6x3 + {op1, 2'b00};
|
||||
end
|
||||
endfunction
|
||||
|
||||
wire OpOnes = Op[4];
|
||||
wire [8:0] Amul = mul6x3(A, Op[7:5]);
|
||||
wire [8:0] Bmul = mul6x3(B, {Op[3:2], 1'b0});
|
||||
wire [8:0] Cmul = mul6x3(C, {Op[1:0], 1'b0});
|
||||
wire [8:0] At = Amul;
|
||||
wire [8:0] Bt = (OpOnes == 0) ? Bmul : {3'b0, B};
|
||||
wire [8:0] Ct = (OpOnes == 0) ? Cmul : {3'b0, C};
|
||||
wire [9:0] Res = {At, 1'b0} + Bt + Ct;
|
||||
assign O = Op[8] ? A : Res[9:4];
|
||||
endmodule
|
||||
|
||||
module Blend
|
||||
(
|
||||
input [5:0] rule,
|
||||
input disable_hq2x,
|
||||
input [17:0] E,
|
||||
input [17:0] A,
|
||||
input [17:0] B,
|
||||
input [17:0] D,
|
||||
input [17:0] F,
|
||||
input [17:0] H,
|
||||
output [17:0] Result
|
||||
);
|
||||
|
||||
reg [1:0] input_ctrl;
|
||||
reg [8:0] op;
|
||||
localparam BLEND0 = 9'b1_xxx_x_xx_xx; // 0: A
|
||||
localparam BLEND1 = 9'b0_110_0_10_00; // 1: (A * 12 + B * 4) >> 4
|
||||
localparam BLEND2 = 9'b0_100_0_10_10; // 2: (A * 8 + B * 4 + C * 4) >> 4
|
||||
localparam BLEND3 = 9'b0_101_0_10_01; // 3: (A * 10 + B * 4 + C * 2) >> 4
|
||||
localparam BLEND4 = 9'b0_110_0_01_01; // 4: (A * 12 + B * 2 + C * 2) >> 4
|
||||
localparam BLEND5 = 9'b0_010_0_11_11; // 5: (A * 4 + (B + C) * 6) >> 4
|
||||
localparam BLEND6 = 9'b0_111_1_xx_xx; // 6: (A * 14 + B + C) >> 4
|
||||
localparam AB = 2'b00;
|
||||
localparam AD = 2'b01;
|
||||
localparam DB = 2'b10;
|
||||
localparam BD = 2'b11;
|
||||
wire is_diff;
|
||||
DiffCheck diff_checker(rule[1] ? B : H, rule[0] ? D : F, is_diff);
|
||||
|
||||
always @* begin
|
||||
case({!is_diff, rule[5:2]})
|
||||
1,17: {op, input_ctrl} = {BLEND1, AB};
|
||||
2,18: {op, input_ctrl} = {BLEND1, DB};
|
||||
3,19: {op, input_ctrl} = {BLEND1, BD};
|
||||
4,20: {op, input_ctrl} = {BLEND2, DB};
|
||||
5,21: {op, input_ctrl} = {BLEND2, AB};
|
||||
6,22: {op, input_ctrl} = {BLEND2, AD};
|
||||
|
||||
8: {op, input_ctrl} = {BLEND0, 2'bxx};
|
||||
9: {op, input_ctrl} = {BLEND0, 2'bxx};
|
||||
10: {op, input_ctrl} = {BLEND0, 2'bxx};
|
||||
11: {op, input_ctrl} = {BLEND1, AB};
|
||||
12: {op, input_ctrl} = {BLEND1, AB};
|
||||
13: {op, input_ctrl} = {BLEND1, AB};
|
||||
14: {op, input_ctrl} = {BLEND1, DB};
|
||||
15: {op, input_ctrl} = {BLEND1, BD};
|
||||
|
||||
24: {op, input_ctrl} = {BLEND2, DB};
|
||||
25: {op, input_ctrl} = {BLEND5, DB};
|
||||
26: {op, input_ctrl} = {BLEND6, DB};
|
||||
27: {op, input_ctrl} = {BLEND2, DB};
|
||||
28: {op, input_ctrl} = {BLEND4, DB};
|
||||
29: {op, input_ctrl} = {BLEND5, DB};
|
||||
30: {op, input_ctrl} = {BLEND3, BD};
|
||||
31: {op, input_ctrl} = {BLEND3, DB};
|
||||
default: {op, input_ctrl} = 11'bx;
|
||||
endcase
|
||||
|
||||
// Setting op[8] effectively disables HQ2X because blend will always return E.
|
||||
if (disable_hq2x) op[8] = 1;
|
||||
end
|
||||
|
||||
// Generate inputs to the inner blender. Valid combinations.
|
||||
// 00: E A B
|
||||
// 01: E A D
|
||||
// 10: E D B
|
||||
// 11: E B D
|
||||
wire [17:0] Input1 = E;
|
||||
wire [17:0] Input2 = !input_ctrl[1] ? A :
|
||||
!input_ctrl[0] ? D : B;
|
||||
|
||||
wire [17:0] Input3 = !input_ctrl[0] ? B : D;
|
||||
InnerBlend inner_blend1(op, Input1[5:0], Input2[5:0], Input3[5:0], Result[5:0]);
|
||||
InnerBlend inner_blend2(op, Input1[11:6], Input2[11:6], Input3[11:6], Result[11:6]);
|
||||
InnerBlend inner_blend3(op, Input1[17:12], Input2[17:12], Input3[17:12], Result[17:12]);
|
||||
endmodule
|
||||
|
||||
|
||||
////////////////////////////////////////////////////////////////////////////////////////////////////
|
||||
|
||||
module Hq2x #(parameter LENGTH, parameter HALF_DEPTH)
|
||||
(
|
||||
input clk,
|
||||
input ce_x4,
|
||||
input [DWIDTH:0] inputpixel,
|
||||
input mono,
|
||||
input disable_hq2x,
|
||||
input reset_frame,
|
||||
input reset_line,
|
||||
input [1:0] read_y,
|
||||
input [AWIDTH+1:0] read_x,
|
||||
output [DWIDTH:0] outpixel
|
||||
);
|
||||
|
||||
|
||||
localparam AWIDTH = `BITS_TO_FIT(LENGTH);
|
||||
localparam DWIDTH = HALF_DEPTH ? 8 : 17;
|
||||
|
||||
wire [5:0] hqTable[256] = '{
|
||||
19, 19, 26, 11, 19, 19, 26, 11, 23, 15, 47, 35, 23, 15, 55, 39,
|
||||
19, 19, 26, 58, 19, 19, 26, 58, 23, 15, 35, 35, 23, 15, 7, 35,
|
||||
19, 19, 26, 11, 19, 19, 26, 11, 23, 15, 55, 39, 23, 15, 51, 43,
|
||||
19, 19, 26, 58, 19, 19, 26, 58, 23, 15, 51, 35, 23, 15, 7, 43,
|
||||
19, 19, 26, 11, 19, 19, 26, 11, 23, 61, 35, 35, 23, 61, 51, 35,
|
||||
19, 19, 26, 11, 19, 19, 26, 11, 23, 15, 51, 35, 23, 15, 51, 35,
|
||||
19, 19, 26, 11, 19, 19, 26, 11, 23, 61, 7, 35, 23, 61, 7, 43,
|
||||
19, 19, 26, 11, 19, 19, 26, 58, 23, 15, 51, 35, 23, 61, 7, 43,
|
||||
19, 19, 26, 11, 19, 19, 26, 11, 23, 15, 47, 35, 23, 15, 55, 39,
|
||||
19, 19, 26, 11, 19, 19, 26, 11, 23, 15, 51, 35, 23, 15, 51, 35,
|
||||
19, 19, 26, 11, 19, 19, 26, 11, 23, 15, 55, 39, 23, 15, 51, 43,
|
||||
19, 19, 26, 11, 19, 19, 26, 11, 23, 15, 51, 39, 23, 15, 7, 43,
|
||||
19, 19, 26, 11, 19, 19, 26, 11, 23, 15, 51, 35, 23, 15, 51, 39,
|
||||
19, 19, 26, 11, 19, 19, 26, 11, 23, 15, 51, 35, 23, 15, 7, 35,
|
||||
19, 19, 26, 11, 19, 19, 26, 11, 23, 15, 51, 35, 23, 15, 7, 43,
|
||||
19, 19, 26, 11, 19, 19, 26, 11, 23, 15, 7, 35, 23, 15, 7, 43
|
||||
};
|
||||
|
||||
reg [17:0] Prev0, Prev1, Prev2, Curr0, Curr1, Next0, Next1, Next2;
|
||||
reg [17:0] A, B, D, F, G, H;
|
||||
reg [7:0] pattern, nextpatt;
|
||||
reg [1:0] i;
|
||||
reg [7:0] y;
|
||||
|
||||
wire curbuf = y[0];
|
||||
reg prevbuf = 0;
|
||||
wire iobuf = !curbuf;
|
||||
|
||||
wire diff0, diff1;
|
||||
DiffCheck diffcheck0(Curr1, (i == 0) ? Prev0 : (i == 1) ? Curr0 : (i == 2) ? Prev2 : Next1, diff0);
|
||||
DiffCheck diffcheck1(Curr1, (i == 0) ? Prev1 : (i == 1) ? Next0 : (i == 2) ? Curr2 : Next2, diff1);
|
||||
|
||||
wire [7:0] new_pattern = {diff1, diff0, pattern[7:2]};
|
||||
|
||||
wire [17:0] X = (i == 0) ? A : (i == 1) ? Prev1 : (i == 2) ? Next1 : G;
|
||||
wire [17:0] blend_result;
|
||||
Blend blender(hqTable[nextpatt], disable_hq2x, Curr0, X, B, D, F, H, blend_result);
|
||||
|
||||
reg Curr2_addr1;
|
||||
reg [AWIDTH:0] Curr2_addr2;
|
||||
wire [17:0] Curr2 = HALF_DEPTH ? h2rgb(Curr2tmp) : Curr2tmp;
|
||||
wire [DWIDTH:0] Curr2tmp;
|
||||
|
||||
reg [AWIDTH:0] wrin_addr2;
|
||||
reg [DWIDTH:0] wrpix;
|
||||
reg wrin_en;
|
||||
|
||||
function [17:0] h2rgb;
|
||||
input [8:0] v;
|
||||
begin
|
||||
h2rgb = mono ? {v[5:3],v[2:0], v[5:3],v[2:0], v[5:3],v[2:0]} : {v[8:6],v[8:6],v[5:3],v[5:3],v[2:0],v[2:0]};
|
||||
end
|
||||
endfunction
|
||||
|
||||
function [8:0] rgb2h;
|
||||
input [17:0] v;
|
||||
begin
|
||||
rgb2h = mono ? {3'b000, v[17:15], v[14:12]} : {v[17:15], v[11:9], v[5:3]};
|
||||
end
|
||||
endfunction
|
||||
|
||||
hq2x_in #(.LENGTH(LENGTH), .DWIDTH(DWIDTH)) hq2x_in
|
||||
(
|
||||
.clk(clk),
|
||||
|
||||
.rdaddr(Curr2_addr2),
|
||||
.rdbuf(Curr2_addr1),
|
||||
.q(Curr2tmp),
|
||||
|
||||
.wraddr(wrin_addr2),
|
||||
.wrbuf(iobuf),
|
||||
.data(wrpix),
|
||||
.wren(wrin_en)
|
||||
);
|
||||
|
||||
reg [1:0] wrout_addr1;
|
||||
reg [AWIDTH+1:0] wrout_addr2;
|
||||
reg wrout_en;
|
||||
reg [DWIDTH:0] wrdata;
|
||||
|
||||
hq2x_out #(.LENGTH(LENGTH), .DWIDTH(DWIDTH)) hq2x_out
|
||||
(
|
||||
.clk(clk),
|
||||
|
||||
.rdaddr(read_x),
|
||||
.rdbuf(read_y),
|
||||
.q(outpixel),
|
||||
|
||||
.wraddr(wrout_addr2),
|
||||
.wrbuf(wrout_addr1),
|
||||
.data(wrdata),
|
||||
.wren(wrout_en)
|
||||
);
|
||||
|
||||
always @(posedge clk) begin
|
||||
reg [AWIDTH:0] offs;
|
||||
reg old_reset_line;
|
||||
reg old_reset_frame;
|
||||
|
||||
wrout_en <= 0;
|
||||
wrin_en <= 0;
|
||||
|
||||
if(ce_x4) begin
|
||||
|
||||
pattern <= new_pattern;
|
||||
|
||||
if(~&offs) begin
|
||||
if (i == 0) begin
|
||||
Curr2_addr1 <= prevbuf;
|
||||
Curr2_addr2 <= offs;
|
||||
end
|
||||
if (i == 1) begin
|
||||
Prev2 <= Curr2;
|
||||
Curr2_addr1 <= curbuf;
|
||||
Curr2_addr2 <= offs;
|
||||
end
|
||||
if (i == 2) begin
|
||||
Next2 <= HALF_DEPTH ? h2rgb(inputpixel) : inputpixel;
|
||||
wrpix <= inputpixel;
|
||||
wrin_addr2 <= offs;
|
||||
wrin_en <= 1;
|
||||
end
|
||||
if (i == 3) begin
|
||||
offs <= offs + 1'd1;
|
||||
end
|
||||
|
||||
if(HALF_DEPTH) wrdata <= rgb2h(blend_result);
|
||||
else wrdata <= blend_result;
|
||||
|
||||
wrout_addr1 <= {curbuf, i[1]};
|
||||
wrout_addr2 <= {offs, i[1]^i[0]};
|
||||
wrout_en <= 1;
|
||||
end
|
||||
|
||||
if(i==3) begin
|
||||
nextpatt <= {new_pattern[7:6], new_pattern[3], new_pattern[5], new_pattern[2], new_pattern[4], new_pattern[1:0]};
|
||||
{A, G} <= {Prev0, Next0};
|
||||
{B, F, H, D} <= {Prev1, Curr2, Next1, Curr0};
|
||||
{Prev0, Prev1} <= {Prev1, Prev2};
|
||||
{Curr0, Curr1} <= {Curr1, Curr2};
|
||||
{Next0, Next1} <= {Next1, Next2};
|
||||
end else begin
|
||||
nextpatt <= {nextpatt[5], nextpatt[3], nextpatt[0], nextpatt[6], nextpatt[1], nextpatt[7], nextpatt[4], nextpatt[2]};
|
||||
{B, F, H, D} <= {F, H, D, B};
|
||||
end
|
||||
|
||||
i <= i + 1'b1;
|
||||
if(old_reset_line && ~reset_line) begin
|
||||
old_reset_frame <= reset_frame;
|
||||
offs <= 0;
|
||||
i <= 0;
|
||||
y <= y + 1'd1;
|
||||
prevbuf <= curbuf;
|
||||
if(old_reset_frame & ~reset_frame) begin
|
||||
y <= 0;
|
||||
prevbuf <= 0;
|
||||
end
|
||||
end
|
||||
|
||||
old_reset_line <= reset_line;
|
||||
end
|
||||
end
|
||||
|
||||
endmodule // Hq2x
|
||||
@@ -1,530 +0,0 @@
|
||||
//
|
||||
// mist_io.v
|
||||
//
|
||||
// mist_io for the MiST board
|
||||
// http://code.google.com/p/mist-board/
|
||||
//
|
||||
// Copyright (c) 2014 Till Harbaum <till@harbaum.org>
|
||||
// Copyright (c) 2015-2017 Sorgelig
|
||||
//
|
||||
// This source file is free software: you can redistribute it and/or modify
|
||||
// it under the terms of the GNU General Public License as published
|
||||
// by the Free Software Foundation, either version 3 of the License, or
|
||||
// (at your option) any later version.
|
||||
//
|
||||
// This source file is distributed in the hope that it will be useful,
|
||||
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
// GNU General Public License for more details.
|
||||
//
|
||||
// You should have received a copy of the GNU General Public License
|
||||
// along with this program. If not, see <http://www.gnu.org/licenses/>.
|
||||
//
|
||||
///////////////////////////////////////////////////////////////////////
|
||||
|
||||
//
|
||||
// Use buffer to access SD card. It's time-critical part.
|
||||
// Made module synchroneous with 2 clock domains: clk_sys and SPI_SCK
|
||||
// (Sorgelig)
|
||||
//
|
||||
// for synchronous projects default value for PS2DIV is fine for any frequency of system clock.
|
||||
// clk_ps2 = clk_sys/(PS2DIV*2)
|
||||
//
|
||||
|
||||
module mist_io #(parameter STRLEN=0, parameter PS2DIV=100)
|
||||
(
|
||||
|
||||
// parameter STRLEN and the actual length of conf_str have to match
|
||||
input [(8*STRLEN)-1:0] conf_str,
|
||||
|
||||
// Global clock. It should be around 100MHz (higher is better).
|
||||
input clk_sys,
|
||||
|
||||
// Global SPI clock from ARM. 24MHz
|
||||
input SPI_SCK,
|
||||
|
||||
input CONF_DATA0,
|
||||
input SPI_SS2,
|
||||
output SPI_DO,
|
||||
input SPI_DI,
|
||||
|
||||
output reg [7:0] joystick_0,
|
||||
output reg [7:0] joystick_1,
|
||||
// output reg [31:0] joystick_2,
|
||||
// output reg [31:0] joystick_3,
|
||||
// output reg [31:0] joystick_4,
|
||||
output reg [15:0] joystick_analog_0,
|
||||
output reg [15:0] joystick_analog_1,
|
||||
output [1:0] buttons,
|
||||
output [1:0] switches,
|
||||
output scandoublerD,
|
||||
output ypbpr,
|
||||
|
||||
output reg [31:0] status,
|
||||
|
||||
// SD config
|
||||
input sd_conf,
|
||||
input sd_sdhc,
|
||||
output [1:0] img_mounted, // signaling that new image has been mounted
|
||||
output reg [31:0] img_size, // size of image in bytes
|
||||
|
||||
// SD block level access
|
||||
input [31:0] sd_lba,
|
||||
input [1:0] sd_rd,
|
||||
input [1:0] sd_wr,
|
||||
output reg sd_ack,
|
||||
output reg sd_ack_conf,
|
||||
|
||||
// SD byte level access. Signals for 2-PORT altsyncram.
|
||||
output reg [8:0] sd_buff_addr,
|
||||
output reg [7:0] sd_buff_dout,
|
||||
input [7:0] sd_buff_din,
|
||||
output reg sd_buff_wr,
|
||||
|
||||
// ps2 keyboard emulation
|
||||
output ps2_kbd_clk,
|
||||
output reg ps2_kbd_data,
|
||||
output ps2_mouse_clk,
|
||||
output reg ps2_mouse_data,
|
||||
|
||||
// ps2 alternative interface.
|
||||
|
||||
// [8] - extended, [9] - pressed, [10] - toggles with every press/release
|
||||
output reg [10:0] ps2_key = 0,
|
||||
|
||||
// [24] - toggles with every event
|
||||
output reg [24:0] ps2_mouse = 0,
|
||||
|
||||
// ARM -> FPGA download
|
||||
input ioctl_ce,
|
||||
output reg ioctl_download = 0, // signal indicating an active download
|
||||
output reg [7:0] ioctl_index, // menu index used to upload the file
|
||||
output reg ioctl_wr = 0,
|
||||
output reg [24:0] ioctl_addr,
|
||||
output reg [7:0] ioctl_dout
|
||||
);
|
||||
|
||||
reg [7:0] but_sw;
|
||||
reg [2:0] stick_idx;
|
||||
|
||||
reg [1:0] mount_strobe = 0;
|
||||
assign img_mounted = mount_strobe;
|
||||
|
||||
assign buttons = but_sw[1:0];
|
||||
assign switches = but_sw[3:2];
|
||||
assign scandoublerD = but_sw[4];
|
||||
assign ypbpr = but_sw[5];
|
||||
|
||||
// this variant of user_io is for 8 bit cores (type == a4) only
|
||||
wire [7:0] core_type = 8'ha4;
|
||||
|
||||
// command byte read by the io controller
|
||||
wire drive_sel = sd_rd[1] | sd_wr[1];
|
||||
wire [7:0] sd_cmd = { 4'h6, sd_conf, sd_sdhc, sd_wr[drive_sel], sd_rd[drive_sel] };
|
||||
|
||||
reg [7:0] cmd;
|
||||
reg [2:0] bit_cnt; // counts bits 0-7 0-7 ...
|
||||
reg [9:0] byte_cnt; // counts bytes
|
||||
|
||||
reg spi_do;
|
||||
assign SPI_DO = CONF_DATA0 ? 1'bZ : spi_do;
|
||||
|
||||
reg [7:0] spi_data_out;
|
||||
|
||||
// SPI transmitter
|
||||
always@(negedge SPI_SCK) spi_do <= spi_data_out[~bit_cnt];
|
||||
|
||||
reg [7:0] spi_data_in;
|
||||
reg spi_data_ready = 0;
|
||||
|
||||
// SPI receiver
|
||||
always@(posedge SPI_SCK or posedge CONF_DATA0) begin
|
||||
reg [6:0] sbuf;
|
||||
reg [31:0] sd_lba_r;
|
||||
reg drive_sel_r;
|
||||
|
||||
if(CONF_DATA0) begin
|
||||
bit_cnt <= 0;
|
||||
byte_cnt <= 0;
|
||||
spi_data_out <= core_type;
|
||||
end
|
||||
else
|
||||
begin
|
||||
bit_cnt <= bit_cnt + 1'd1;
|
||||
sbuf <= {sbuf[5:0], SPI_DI};
|
||||
|
||||
// finished reading command byte
|
||||
if(bit_cnt == 7) begin
|
||||
if(!byte_cnt) cmd <= {sbuf, SPI_DI};
|
||||
|
||||
spi_data_in <= {sbuf, SPI_DI};
|
||||
spi_data_ready <= ~spi_data_ready;
|
||||
if(~&byte_cnt) byte_cnt <= byte_cnt + 8'd1;
|
||||
|
||||
spi_data_out <= 0;
|
||||
case({(!byte_cnt) ? {sbuf, SPI_DI} : cmd})
|
||||
// reading config string
|
||||
8'h14: if(byte_cnt < STRLEN) spi_data_out <= conf_str[(STRLEN - byte_cnt - 1)<<3 +:8];
|
||||
|
||||
// reading sd card status
|
||||
8'h16: if(byte_cnt == 0) begin
|
||||
spi_data_out <= sd_cmd;
|
||||
sd_lba_r <= sd_lba;
|
||||
drive_sel_r <= drive_sel;
|
||||
end else if (byte_cnt == 1) begin
|
||||
spi_data_out <= drive_sel_r;
|
||||
end else if(byte_cnt < 6) spi_data_out <= sd_lba_r[(5-byte_cnt)<<3 +:8];
|
||||
|
||||
// reading sd card write data
|
||||
8'h18: spi_data_out <= sd_buff_din;
|
||||
endcase
|
||||
end
|
||||
end
|
||||
end
|
||||
|
||||
reg [31:0] ps2_key_raw = 0;
|
||||
wire pressed = (ps2_key_raw[15:8] != 8'hf0);
|
||||
wire extended = (~pressed ? (ps2_key_raw[23:16] == 8'he0) : (ps2_key_raw[15:8] == 8'he0));
|
||||
|
||||
// transfer to clk_sys domain
|
||||
always@(posedge clk_sys) begin
|
||||
reg old_ss1, old_ss2;
|
||||
reg old_ready1, old_ready2;
|
||||
reg [2:0] b_wr;
|
||||
reg got_ps2 = 0;
|
||||
|
||||
old_ss1 <= CONF_DATA0;
|
||||
old_ss2 <= old_ss1;
|
||||
old_ready1 <= spi_data_ready;
|
||||
old_ready2 <= old_ready1;
|
||||
|
||||
sd_buff_wr <= b_wr[0];
|
||||
if(b_wr[2] && (~&sd_buff_addr)) sd_buff_addr <= sd_buff_addr + 1'b1;
|
||||
b_wr <= (b_wr<<1);
|
||||
|
||||
if(old_ss2) begin
|
||||
got_ps2 <= 0;
|
||||
sd_ack <= 0;
|
||||
sd_ack_conf <= 0;
|
||||
sd_buff_addr <= 0;
|
||||
if(got_ps2) begin
|
||||
if(cmd == 4) ps2_mouse[24] <= ~ps2_mouse[24];
|
||||
if(cmd == 5) begin
|
||||
ps2_key <= {~ps2_key[10], pressed, extended, ps2_key_raw[7:0]};
|
||||
if(ps2_key_raw == 'hE012E07C) ps2_key[9:0] <= 'h37C; // prnscr pressed
|
||||
if(ps2_key_raw == 'h7CE0F012) ps2_key[9:0] <= 'h17C; // prnscr released
|
||||
if(ps2_key_raw == 'hF014F077) ps2_key[9:0] <= 'h377; // pause pressed
|
||||
end
|
||||
end
|
||||
end
|
||||
else
|
||||
if(old_ready2 ^ old_ready1) begin
|
||||
|
||||
if(cmd == 8'h18 && ~&sd_buff_addr) sd_buff_addr <= sd_buff_addr + 1'b1;
|
||||
|
||||
if(byte_cnt < 2) begin
|
||||
|
||||
if (cmd == 8'h19) sd_ack_conf <= 1;
|
||||
if((cmd == 8'h17) || (cmd == 8'h18)) sd_ack <= 1;
|
||||
mount_strobe <= 0;
|
||||
|
||||
if(cmd == 5) ps2_key_raw <= 0;
|
||||
end else begin
|
||||
|
||||
case(cmd)
|
||||
// buttons and switches
|
||||
8'h01: but_sw <= spi_data_in;
|
||||
8'h02: joystick_0 <= spi_data_in;
|
||||
8'h03: joystick_1 <= spi_data_in;
|
||||
// 8'h60: if (byte_cnt < 5) joystick_0[(byte_cnt-1)<<3 +:8] <= spi_data_in;
|
||||
// 8'h61: if (byte_cnt < 5) joystick_1[(byte_cnt-1)<<3 +:8] <= spi_data_in;
|
||||
// 8'h62: if (byte_cnt < 5) joystick_2[(byte_cnt-1)<<3 +:8] <= spi_data_in;
|
||||
// 8'h63: if (byte_cnt < 5) joystick_3[(byte_cnt-1)<<3 +:8] <= spi_data_in;
|
||||
// 8'h64: if (byte_cnt < 5) joystick_4[(byte_cnt-1)<<3 +:8] <= spi_data_in;
|
||||
// store incoming ps2 mouse bytes
|
||||
8'h04: begin
|
||||
got_ps2 <= 1;
|
||||
case(byte_cnt)
|
||||
2: ps2_mouse[7:0] <= spi_data_in;
|
||||
3: ps2_mouse[15:8] <= spi_data_in;
|
||||
4: ps2_mouse[23:16] <= spi_data_in;
|
||||
endcase
|
||||
ps2_mouse_fifo[ps2_mouse_wptr] <= spi_data_in;
|
||||
ps2_mouse_wptr <= ps2_mouse_wptr + 1'd1;
|
||||
end
|
||||
|
||||
// store incoming ps2 keyboard bytes
|
||||
8'h05: begin
|
||||
got_ps2 <= 1;
|
||||
ps2_key_raw[31:0] <= {ps2_key_raw[23:0], spi_data_in};
|
||||
ps2_kbd_fifo[ps2_kbd_wptr] <= spi_data_in;
|
||||
ps2_kbd_wptr <= ps2_kbd_wptr + 1'd1;
|
||||
end
|
||||
|
||||
8'h15: status[7:0] <= spi_data_in;
|
||||
|
||||
// send SD config IO -> FPGA
|
||||
// flag that download begins
|
||||
// sd card knows data is config if sd_dout_strobe is asserted
|
||||
// with sd_ack still being inactive (low)
|
||||
8'h19,
|
||||
// send sector IO -> FPGA
|
||||
// flag that download begins
|
||||
8'h17: begin
|
||||
sd_buff_dout <= spi_data_in;
|
||||
b_wr <= 1;
|
||||
end
|
||||
|
||||
// joystick analog
|
||||
8'h1a: begin
|
||||
// first byte is joystick index
|
||||
if(byte_cnt == 2) stick_idx <= spi_data_in[2:0];
|
||||
else if(byte_cnt == 3) begin
|
||||
// second byte is x axis
|
||||
if(stick_idx == 0) joystick_analog_0[15:8] <= spi_data_in;
|
||||
else if(stick_idx == 1) joystick_analog_1[15:8] <= spi_data_in;
|
||||
end else if(byte_cnt == 4) begin
|
||||
// third byte is y axis
|
||||
if(stick_idx == 0) joystick_analog_0[7:0] <= spi_data_in;
|
||||
else if(stick_idx == 1) joystick_analog_1[7:0] <= spi_data_in;
|
||||
end
|
||||
end
|
||||
|
||||
// notify image selection
|
||||
8'h1c: mount_strobe[spi_data_in[0]] <= 1;
|
||||
|
||||
// send image info
|
||||
8'h1d: if(byte_cnt<6) img_size[(byte_cnt-2)<<3 +:8] <= spi_data_in;
|
||||
|
||||
// status, 32bit version
|
||||
8'h1e: if(byte_cnt<6) status[(byte_cnt-2)<<3 +:8] <= spi_data_in;
|
||||
default: ;
|
||||
endcase
|
||||
end
|
||||
end
|
||||
end
|
||||
|
||||
|
||||
/////////////////////////////// PS2 ///////////////////////////////
|
||||
// 8 byte fifos to store ps2 bytes
|
||||
localparam PS2_FIFO_BITS = 3;
|
||||
|
||||
reg clk_ps2;
|
||||
always @(negedge clk_sys) begin
|
||||
integer cnt;
|
||||
cnt <= cnt + 1'd1;
|
||||
if(cnt == PS2DIV) begin
|
||||
clk_ps2 <= ~clk_ps2;
|
||||
cnt <= 0;
|
||||
end
|
||||
end
|
||||
|
||||
// keyboard
|
||||
reg [7:0] ps2_kbd_fifo[1<<PS2_FIFO_BITS];
|
||||
reg [PS2_FIFO_BITS-1:0] ps2_kbd_wptr;
|
||||
reg [PS2_FIFO_BITS-1:0] ps2_kbd_rptr;
|
||||
|
||||
// ps2 transmitter state machine
|
||||
reg [3:0] ps2_kbd_tx_state;
|
||||
reg [7:0] ps2_kbd_tx_byte;
|
||||
reg ps2_kbd_parity;
|
||||
|
||||
assign ps2_kbd_clk = clk_ps2 || (ps2_kbd_tx_state == 0);
|
||||
|
||||
// ps2 transmitter
|
||||
// Takes a byte from the FIFO and sends it in a ps2 compliant serial format.
|
||||
reg ps2_kbd_r_inc;
|
||||
always@(posedge clk_sys) begin
|
||||
reg old_clk;
|
||||
old_clk <= clk_ps2;
|
||||
if(~old_clk & clk_ps2) begin
|
||||
ps2_kbd_r_inc <= 0;
|
||||
|
||||
if(ps2_kbd_r_inc) ps2_kbd_rptr <= ps2_kbd_rptr + 1'd1;
|
||||
|
||||
// transmitter is idle?
|
||||
if(ps2_kbd_tx_state == 0) begin
|
||||
// data in fifo present?
|
||||
if(ps2_kbd_wptr != ps2_kbd_rptr) begin
|
||||
// load tx register from fifo
|
||||
ps2_kbd_tx_byte <= ps2_kbd_fifo[ps2_kbd_rptr];
|
||||
ps2_kbd_r_inc <= 1;
|
||||
|
||||
// reset parity
|
||||
ps2_kbd_parity <= 1;
|
||||
|
||||
// start transmitter
|
||||
ps2_kbd_tx_state <= 1;
|
||||
|
||||
// put start bit on data line
|
||||
ps2_kbd_data <= 0; // start bit is 0
|
||||
end
|
||||
end else begin
|
||||
|
||||
// transmission of 8 data bits
|
||||
if((ps2_kbd_tx_state >= 1)&&(ps2_kbd_tx_state < 9)) begin
|
||||
ps2_kbd_data <= ps2_kbd_tx_byte[0]; // data bits
|
||||
ps2_kbd_tx_byte[6:0] <= ps2_kbd_tx_byte[7:1]; // shift down
|
||||
if(ps2_kbd_tx_byte[0])
|
||||
ps2_kbd_parity <= !ps2_kbd_parity;
|
||||
end
|
||||
|
||||
// transmission of parity
|
||||
if(ps2_kbd_tx_state == 9) ps2_kbd_data <= ps2_kbd_parity;
|
||||
|
||||
// transmission of stop bit
|
||||
if(ps2_kbd_tx_state == 10) ps2_kbd_data <= 1; // stop bit is 1
|
||||
|
||||
// advance state machine
|
||||
if(ps2_kbd_tx_state < 11) ps2_kbd_tx_state <= ps2_kbd_tx_state + 1'd1;
|
||||
else ps2_kbd_tx_state <= 0;
|
||||
end
|
||||
end
|
||||
end
|
||||
|
||||
// mouse
|
||||
reg [7:0] ps2_mouse_fifo[1<<PS2_FIFO_BITS];
|
||||
reg [PS2_FIFO_BITS-1:0] ps2_mouse_wptr;
|
||||
reg [PS2_FIFO_BITS-1:0] ps2_mouse_rptr;
|
||||
|
||||
// ps2 transmitter state machine
|
||||
reg [3:0] ps2_mouse_tx_state;
|
||||
reg [7:0] ps2_mouse_tx_byte;
|
||||
reg ps2_mouse_parity;
|
||||
|
||||
assign ps2_mouse_clk = clk_ps2 || (ps2_mouse_tx_state == 0);
|
||||
|
||||
// ps2 transmitter
|
||||
// Takes a byte from the FIFO and sends it in a ps2 compliant serial format.
|
||||
reg ps2_mouse_r_inc;
|
||||
always@(posedge clk_sys) begin
|
||||
reg old_clk;
|
||||
old_clk <= clk_ps2;
|
||||
if(~old_clk & clk_ps2) begin
|
||||
ps2_mouse_r_inc <= 0;
|
||||
|
||||
if(ps2_mouse_r_inc) ps2_mouse_rptr <= ps2_mouse_rptr + 1'd1;
|
||||
|
||||
// transmitter is idle?
|
||||
if(ps2_mouse_tx_state == 0) begin
|
||||
// data in fifo present?
|
||||
if(ps2_mouse_wptr != ps2_mouse_rptr) begin
|
||||
// load tx register from fifo
|
||||
ps2_mouse_tx_byte <= ps2_mouse_fifo[ps2_mouse_rptr];
|
||||
ps2_mouse_r_inc <= 1;
|
||||
|
||||
// reset parity
|
||||
ps2_mouse_parity <= 1;
|
||||
|
||||
// start transmitter
|
||||
ps2_mouse_tx_state <= 1;
|
||||
|
||||
// put start bit on data line
|
||||
ps2_mouse_data <= 0; // start bit is 0
|
||||
end
|
||||
end else begin
|
||||
|
||||
// transmission of 8 data bits
|
||||
if((ps2_mouse_tx_state >= 1)&&(ps2_mouse_tx_state < 9)) begin
|
||||
ps2_mouse_data <= ps2_mouse_tx_byte[0]; // data bits
|
||||
ps2_mouse_tx_byte[6:0] <= ps2_mouse_tx_byte[7:1]; // shift down
|
||||
if(ps2_mouse_tx_byte[0])
|
||||
ps2_mouse_parity <= !ps2_mouse_parity;
|
||||
end
|
||||
|
||||
// transmission of parity
|
||||
if(ps2_mouse_tx_state == 9) ps2_mouse_data <= ps2_mouse_parity;
|
||||
|
||||
// transmission of stop bit
|
||||
if(ps2_mouse_tx_state == 10) ps2_mouse_data <= 1; // stop bit is 1
|
||||
|
||||
// advance state machine
|
||||
if(ps2_mouse_tx_state < 11) ps2_mouse_tx_state <= ps2_mouse_tx_state + 1'd1;
|
||||
else ps2_mouse_tx_state <= 0;
|
||||
end
|
||||
end
|
||||
end
|
||||
|
||||
|
||||
/////////////////////////////// DOWNLOADING ///////////////////////////////
|
||||
|
||||
reg [7:0] data_w;
|
||||
reg [24:0] addr_w;
|
||||
reg rclk = 0;
|
||||
|
||||
localparam UIO_FILE_TX = 8'h53;
|
||||
localparam UIO_FILE_TX_DAT = 8'h54;
|
||||
localparam UIO_FILE_INDEX = 8'h55;
|
||||
|
||||
reg rdownload = 0;
|
||||
|
||||
// data_io has its own SPI interface to the io controller
|
||||
always@(posedge SPI_SCK, posedge SPI_SS2) begin
|
||||
reg [6:0] sbuf;
|
||||
reg [7:0] cmd;
|
||||
reg [4:0] cnt;
|
||||
reg [24:0] addr;
|
||||
|
||||
if(SPI_SS2) cnt <= 0;
|
||||
else begin
|
||||
// don't shift in last bit. It is evaluated directly
|
||||
// when writing to ram
|
||||
if(cnt != 15) sbuf <= { sbuf[5:0], SPI_DI};
|
||||
|
||||
// count 0-7 8-15 8-15 ...
|
||||
if(cnt < 15) cnt <= cnt + 1'd1;
|
||||
else cnt <= 8;
|
||||
|
||||
// finished command byte
|
||||
if(cnt == 7) cmd <= {sbuf, SPI_DI};
|
||||
|
||||
// prepare/end transmission
|
||||
if((cmd == UIO_FILE_TX) && (cnt == 15)) begin
|
||||
// prepare
|
||||
if(SPI_DI) begin
|
||||
case(ioctl_index[4:0])
|
||||
1: addr <= 25'h200000; // TRD buffer at 2MB
|
||||
2: addr <= 25'h400000; // tape buffer at 4MB
|
||||
default: addr <= 25'h150000; // boot rom
|
||||
endcase
|
||||
rdownload <= 1;
|
||||
end else begin
|
||||
addr_w <= addr;
|
||||
rdownload <= 0;
|
||||
end
|
||||
end
|
||||
|
||||
// command 0x54: UIO_FILE_TX
|
||||
if((cmd == UIO_FILE_TX_DAT) && (cnt == 15)) begin
|
||||
addr_w <= addr;
|
||||
data_w <= {sbuf, SPI_DI};
|
||||
addr <= addr + 1'd1;
|
||||
rclk <= ~rclk;
|
||||
end
|
||||
|
||||
// expose file (menu) index
|
||||
if((cmd == UIO_FILE_INDEX) && (cnt == 15)) ioctl_index <= {sbuf, SPI_DI};
|
||||
end
|
||||
end
|
||||
|
||||
// transfer to ioctl_clk domain.
|
||||
// ioctl_index is set before ioctl_download, so it's stable already
|
||||
always@(posedge clk_sys) begin
|
||||
reg rclkD, rclkD2;
|
||||
|
||||
if(ioctl_ce) begin
|
||||
ioctl_download <= rdownload;
|
||||
|
||||
rclkD <= rclk;
|
||||
rclkD2 <= rclkD;
|
||||
ioctl_wr <= 0;
|
||||
|
||||
if(rclkD != rclkD2) begin
|
||||
ioctl_dout <= data_w;
|
||||
ioctl_addr <= addr_w;
|
||||
ioctl_wr <= 1;
|
||||
end
|
||||
end
|
||||
end
|
||||
|
||||
endmodule
|
||||
@@ -1,194 +0,0 @@
|
||||
// A simple OSD implementation. Can be hooked up between a cores
|
||||
// VGA output and the physical VGA pins
|
||||
|
||||
module osd (
|
||||
// OSDs pixel clock, should be synchronous to cores pixel clock to
|
||||
// avoid jitter.
|
||||
input clk_sys,
|
||||
|
||||
// SPI interface
|
||||
input SPI_SCK,
|
||||
input SPI_SS3,
|
||||
input SPI_DI,
|
||||
|
||||
input [1:0] rotate, //[0] - rotate [1] - left or right
|
||||
|
||||
// VGA signals coming from core
|
||||
input [5:0] R_in,
|
||||
input [5:0] G_in,
|
||||
input [5:0] B_in,
|
||||
input HSync,
|
||||
input VSync,
|
||||
|
||||
// VGA signals going to video connector
|
||||
output [5:0] R_out,
|
||||
output [5:0] G_out,
|
||||
output [5:0] B_out
|
||||
);
|
||||
|
||||
parameter OSD_X_OFFSET = 10'd0;
|
||||
parameter OSD_Y_OFFSET = 10'd0;
|
||||
parameter OSD_COLOR = 3'd0;
|
||||
|
||||
localparam OSD_WIDTH = 10'd256;
|
||||
localparam OSD_HEIGHT = 10'd128;
|
||||
|
||||
// *********************************************************************************
|
||||
// spi client
|
||||
// *********************************************************************************
|
||||
|
||||
// this core supports only the display related OSD commands
|
||||
// of the minimig
|
||||
reg osd_enable;
|
||||
(* ramstyle = "no_rw_check" *) reg [7:0] osd_buffer[2047:0]; // the OSD buffer itself
|
||||
|
||||
// the OSD has its own SPI interface to the io controller
|
||||
always@(posedge SPI_SCK, posedge SPI_SS3) begin
|
||||
reg [4:0] cnt;
|
||||
reg [10:0] bcnt;
|
||||
reg [7:0] sbuf;
|
||||
reg [7:0] cmd;
|
||||
|
||||
if(SPI_SS3) begin
|
||||
cnt <= 0;
|
||||
bcnt <= 0;
|
||||
end else begin
|
||||
sbuf <= {sbuf[6:0], SPI_DI};
|
||||
|
||||
// 0:7 is command, rest payload
|
||||
if(cnt < 15) cnt <= cnt + 1'd1;
|
||||
else cnt <= 8;
|
||||
|
||||
if(cnt == 7) begin
|
||||
cmd <= {sbuf[6:0], SPI_DI};
|
||||
|
||||
// lower three command bits are line address
|
||||
bcnt <= {sbuf[1:0], SPI_DI, 8'h00};
|
||||
|
||||
// command 0x40: OSDCMDENABLE, OSDCMDDISABLE
|
||||
if(sbuf[6:3] == 4'b0100) osd_enable <= SPI_DI;
|
||||
end
|
||||
|
||||
// command 0x20: OSDCMDWRITE
|
||||
if((cmd[7:3] == 5'b00100) && (cnt == 15)) begin
|
||||
osd_buffer[bcnt] <= {sbuf[6:0], SPI_DI};
|
||||
bcnt <= bcnt + 1'd1;
|
||||
end
|
||||
end
|
||||
end
|
||||
|
||||
// *********************************************************************************
|
||||
// video timing and sync polarity anaylsis
|
||||
// *********************************************************************************
|
||||
|
||||
// horizontal counter
|
||||
reg [9:0] h_cnt;
|
||||
reg [9:0] hs_low, hs_high;
|
||||
wire hs_pol = hs_high < hs_low;
|
||||
wire [9:0] dsp_width = hs_pol ? hs_low : hs_high;
|
||||
|
||||
// vertical counter
|
||||
reg [9:0] v_cnt;
|
||||
reg [9:0] vs_low, vs_high;
|
||||
wire vs_pol = vs_high < vs_low;
|
||||
wire [9:0] dsp_height = vs_pol ? vs_low : vs_high;
|
||||
|
||||
wire doublescan = (dsp_height>350);
|
||||
|
||||
reg ce_pix;
|
||||
always @(negedge clk_sys) begin
|
||||
integer cnt = 0;
|
||||
integer pixsz, pixcnt;
|
||||
reg hs;
|
||||
|
||||
cnt <= cnt + 1;
|
||||
hs <= HSync;
|
||||
|
||||
pixcnt <= pixcnt + 1;
|
||||
if(pixcnt == pixsz) pixcnt <= 0;
|
||||
ce_pix <= !pixcnt;
|
||||
|
||||
if(hs && ~HSync) begin
|
||||
cnt <= 0;
|
||||
pixsz <= (cnt >> 9) - 1;
|
||||
pixcnt <= 0;
|
||||
ce_pix <= 1;
|
||||
end
|
||||
end
|
||||
|
||||
always @(posedge clk_sys) begin
|
||||
reg hsD, hsD2;
|
||||
reg vsD, vsD2;
|
||||
|
||||
if(ce_pix) begin
|
||||
// bring hsync into local clock domain
|
||||
hsD <= HSync;
|
||||
hsD2 <= hsD;
|
||||
|
||||
// falling edge of HSync
|
||||
if(!hsD && hsD2) begin
|
||||
h_cnt <= 0;
|
||||
hs_high <= h_cnt;
|
||||
end
|
||||
|
||||
// rising edge of HSync
|
||||
else if(hsD && !hsD2) begin
|
||||
h_cnt <= 0;
|
||||
hs_low <= h_cnt;
|
||||
v_cnt <= v_cnt + 1'd1;
|
||||
end else begin
|
||||
h_cnt <= h_cnt + 1'd1;
|
||||
end
|
||||
|
||||
vsD <= VSync;
|
||||
vsD2 <= vsD;
|
||||
|
||||
// falling edge of VSync
|
||||
if(!vsD && vsD2) begin
|
||||
v_cnt <= 0;
|
||||
vs_high <= v_cnt;
|
||||
end
|
||||
|
||||
// rising edge of VSync
|
||||
else if(vsD && !vsD2) begin
|
||||
v_cnt <= 0;
|
||||
vs_low <= v_cnt;
|
||||
end
|
||||
end
|
||||
end
|
||||
|
||||
// area in which OSD is being displayed
|
||||
wire [9:0] h_osd_start = ((dsp_width - OSD_WIDTH)>> 1) + OSD_X_OFFSET;
|
||||
wire [9:0] h_osd_end = h_osd_start + OSD_WIDTH;
|
||||
wire [9:0] v_osd_start = ((dsp_height- (OSD_HEIGHT<<doublescan))>> 1) + OSD_Y_OFFSET;
|
||||
wire [9:0] v_osd_end = v_osd_start + (OSD_HEIGHT<<doublescan);
|
||||
wire [9:0] osd_hcnt = h_cnt - h_osd_start;
|
||||
wire [9:0] osd_vcnt = v_cnt - v_osd_start;
|
||||
wire [9:0] osd_hcnt_next = osd_hcnt + 2'd1; // one pixel offset for osd pixel
|
||||
wire [9:0] osd_hcnt_next2 = osd_hcnt + 2'd2; // two pixel offset for osd byte address register
|
||||
|
||||
wire osd_de = osd_enable &&
|
||||
(HSync != hs_pol) && (h_cnt >= h_osd_start) && (h_cnt < h_osd_end) &&
|
||||
(VSync != vs_pol) && (v_cnt >= v_osd_start) && (v_cnt < v_osd_end);
|
||||
|
||||
reg [10:0] osd_buffer_addr;
|
||||
wire [7:0] osd_byte = osd_buffer[osd_buffer_addr];
|
||||
reg osd_pixel;
|
||||
|
||||
always @(posedge clk_sys) begin
|
||||
if(ce_pix) begin
|
||||
osd_buffer_addr <= rotate[0] ? {rotate[1] ? osd_hcnt_next2[7:5] : ~osd_hcnt_next2[7:5],
|
||||
rotate[1] ? (doublescan ? ~osd_vcnt[7:0] : ~{osd_vcnt[6:0], 1'b0}) :
|
||||
(doublescan ? osd_vcnt[7:0] : {osd_vcnt[6:0], 1'b0})} :
|
||||
{doublescan ? osd_vcnt[7:5] : osd_vcnt[6:4], osd_hcnt_next2[7:0]};
|
||||
|
||||
osd_pixel <= rotate[0] ? osd_byte[rotate[1] ? osd_hcnt_next[4:2] : ~osd_hcnt_next[4:2]] :
|
||||
osd_byte[doublescan ? osd_vcnt[4:2] : osd_vcnt[3:1]];
|
||||
end
|
||||
end
|
||||
|
||||
assign R_out = !osd_de ? R_in : {osd_pixel, osd_pixel, OSD_COLOR[2], R_in[5:3]};
|
||||
assign G_out = !osd_de ? G_in : {osd_pixel, osd_pixel, OSD_COLOR[1], G_in[5:3]};
|
||||
assign B_out = !osd_de ? B_in : {osd_pixel, osd_pixel, OSD_COLOR[0], B_in[5:3]};
|
||||
|
||||
endmodule
|
||||
@@ -1,7 +1,7 @@
|
||||
library ieee;
|
||||
use ieee.std_logic_1164.all,ieee.numeric_std.all;
|
||||
|
||||
entity bagman_palette is
|
||||
entity pickin_palette is
|
||||
port (
|
||||
clk : in std_logic;
|
||||
addr : in std_logic_vector(5 downto 0);
|
||||
@@ -9,13 +9,22 @@ port (
|
||||
);
|
||||
end entity;
|
||||
|
||||
architecture prom of bagman_palette is
|
||||
architecture prom of pickin_palette is
|
||||
type rom is array(0 to 63) of std_logic_vector(7 downto 0);
|
||||
signal rom_data: rom := (
|
||||
--58 green
|
||||
|
||||
|
||||
X"00",X"58",X"FF",X"27",X"00",X"3F",X"FF",X"C7",X"00",X"38",X"FF",X"EA",X"00",X"C0",X"FF",X"3E",
|
||||
X"00",X"C7",X"FF",X"FF",X"00",X"E8",X"FF",X"FA",X"00",X"07",X"FF",X"07",X"00",X"58",X"FF",X"27",
|
||||
X"00",X"13",X"FF",X"38",X"00",X"D3",X"FF",X"D3",X"00",X"1F",X"07",X"3E",X"00",X"07",X"27",X"E8",
|
||||
X"00",X"07",X"3E",X"FF",X"00",X"C0",X"FF",X"3E",X"00",X"17",X"27",X"E8",X"00",X"C0",X"38",X"FF");
|
||||
|
||||
|
||||
-- X"00",X"58",X"FF",X"27",X"00",X"3F",X"FF",X"C7",X"00",X"38",X"FF",X"EA",X"00",X"C0",X"FF",X"3E",
|
||||
-- X"00",X"C7",X"FF",X"FF",X"00",X"E8",X"FF",X"FA",X"00",X"07",X"FF",X"07",X"00",X"58",X"FF",X"27",
|
||||
-- X"00",X"13",X"FF",X"38",X"00",X"D3",X"FF",X"D3",X"00",X"1F",X"07",X"3E",X"00",X"07",X"27",X"E8",
|
||||
-- X"00",X"07",X"3E",X"FF",X"00",X"C0",X"FF",X"3E",X"00",X"17",X"27",X"E8",X"00",X"C0",X"38",X"FF");
|
||||
begin
|
||||
process(clk)
|
||||
begin
|
||||
@@ -1,7 +1,7 @@
|
||||
library ieee;
|
||||
use ieee.std_logic_1164.all,ieee.numeric_std.all;
|
||||
|
||||
entity bagman_program is
|
||||
entity pickin_program is
|
||||
port (
|
||||
clk : in std_logic;
|
||||
addr : in std_logic_vector(14 downto 0);
|
||||
@@ -9,7 +9,7 @@ port (
|
||||
);
|
||||
end entity;
|
||||
|
||||
architecture prom of bagman_program is
|
||||
architecture prom of pickin_program is
|
||||
type rom is array(0 to 24575) of std_logic_vector(7 downto 0);
|
||||
signal rom_data: rom := (
|
||||
X"C3",X"D0",X"0E",X"3A",X"FE",X"70",X"FE",X"01",X"3E",X"50",X"32",X"F7",X"71",X"C8",X"3A",X"FE",
|
||||
@@ -1,7 +1,7 @@
|
||||
library ieee;
|
||||
use ieee.std_logic_1164.all,ieee.numeric_std.all;
|
||||
|
||||
entity bagman_tile_bit0 is
|
||||
entity pickin_tile_bit0 is
|
||||
port (
|
||||
clk : in std_logic;
|
||||
addr : in std_logic_vector(12 downto 0);
|
||||
@@ -9,7 +9,7 @@ port (
|
||||
);
|
||||
end entity;
|
||||
|
||||
architecture prom of bagman_tile_bit0 is
|
||||
architecture prom of pickin_tile_bit0 is
|
||||
type rom is array(0 to 8191) of std_logic_vector(7 downto 0);
|
||||
signal rom_data: rom := (
|
||||
X"00",X"3E",X"41",X"41",X"41",X"41",X"41",X"3E",X"00",X"00",X"00",X"7F",X"20",X"10",X"00",X"00",
|
||||
@@ -1,7 +1,7 @@
|
||||
library ieee;
|
||||
use ieee.std_logic_1164.all,ieee.numeric_std.all;
|
||||
|
||||
entity bagman_tile_bit1 is
|
||||
entity pickin_tile_bit1 is
|
||||
port (
|
||||
clk : in std_logic;
|
||||
addr : in std_logic_vector(12 downto 0);
|
||||
@@ -9,7 +9,7 @@ port (
|
||||
);
|
||||
end entity;
|
||||
|
||||
architecture prom of bagman_tile_bit1 is
|
||||
architecture prom of pickin_tile_bit1 is
|
||||
type rom is array(0 to 8191) of std_logic_vector(7 downto 0);
|
||||
signal rom_data: rom := (
|
||||
X"00",X"3E",X"41",X"41",X"41",X"41",X"41",X"3E",X"00",X"00",X"00",X"7F",X"20",X"10",X"00",X"00",
|
||||
@@ -1,195 +0,0 @@
|
||||
//
|
||||
// scandoubler.v
|
||||
//
|
||||
// Copyright (c) 2015 Till Harbaum <till@harbaum.org>
|
||||
// Copyright (c) 2017 Sorgelig
|
||||
//
|
||||
// This source file is free software: you can redistribute it and/or modify
|
||||
// it under the terms of the GNU General Public License as published
|
||||
// by the Free Software Foundation, either version 3 of the License, or
|
||||
// (at your option) any later version.
|
||||
//
|
||||
// This source file is distributed in the hope that it will be useful,
|
||||
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
// GNU General Public License for more details.
|
||||
//
|
||||
// You should have received a copy of the GNU General Public License
|
||||
// along with this program. If not, see <http://www.gnu.org/licenses/>.
|
||||
|
||||
// TODO: Delay vsync one line
|
||||
|
||||
module scandoubler #(parameter LENGTH, parameter HALF_DEPTH)
|
||||
(
|
||||
// system interface
|
||||
input clk_sys,
|
||||
input ce_pix,
|
||||
input ce_pix_actual,
|
||||
|
||||
input hq2x,
|
||||
|
||||
// shifter video interface
|
||||
input hs_in,
|
||||
input vs_in,
|
||||
input line_start,
|
||||
|
||||
input [DWIDTH:0] r_in,
|
||||
input [DWIDTH:0] g_in,
|
||||
input [DWIDTH:0] b_in,
|
||||
input mono,
|
||||
|
||||
// output interface
|
||||
output reg hs_out,
|
||||
output vs_out,
|
||||
output [DWIDTH:0] r_out,
|
||||
output [DWIDTH:0] g_out,
|
||||
output [DWIDTH:0] b_out
|
||||
);
|
||||
|
||||
|
||||
localparam DWIDTH = HALF_DEPTH ? 2 : 5;
|
||||
|
||||
assign vs_out = vs_in;
|
||||
|
||||
reg [2:0] phase;
|
||||
reg [2:0] ce_div;
|
||||
reg [7:0] pix_len = 0;
|
||||
wire [7:0] pl = pix_len + 1'b1;
|
||||
|
||||
reg ce_x1, ce_x4;
|
||||
reg req_line_reset;
|
||||
wire ls_in = hs_in | line_start;
|
||||
always @(negedge clk_sys) begin
|
||||
reg old_ce;
|
||||
reg [2:0] ce_cnt;
|
||||
|
||||
reg [7:0] pixsz2, pixsz4 = 0;
|
||||
|
||||
old_ce <= ce_pix;
|
||||
if(~&pix_len) pix_len <= pix_len + 1'd1;
|
||||
|
||||
ce_x4 <= 0;
|
||||
ce_x1 <= 0;
|
||||
|
||||
// use such odd comparison to place c_x4 evenly if master clock isn't multiple 4.
|
||||
if((pl == pixsz4) || (pl == pixsz2) || (pl == (pixsz2+pixsz4))) begin
|
||||
phase <= phase + 1'd1;
|
||||
ce_x4 <= 1;
|
||||
end
|
||||
|
||||
if(~old_ce & ce_pix) begin
|
||||
pixsz2 <= {1'b0, pl[7:1]};
|
||||
pixsz4 <= {2'b00, pl[7:2]};
|
||||
ce_x1 <= 1;
|
||||
ce_x4 <= 1;
|
||||
pix_len <= 0;
|
||||
phase <= phase + 1'd1;
|
||||
|
||||
ce_cnt <= ce_cnt + 1'd1;
|
||||
if(ce_pix_actual) begin
|
||||
phase <= 0;
|
||||
ce_div <= ce_cnt + 1'd1;
|
||||
ce_cnt <= 0;
|
||||
req_line_reset <= 0;
|
||||
end
|
||||
|
||||
if(ls_in) req_line_reset <= 1;
|
||||
end
|
||||
end
|
||||
|
||||
reg ce_sd;
|
||||
always @(*) begin
|
||||
case(ce_div)
|
||||
2: ce_sd = !phase[0];
|
||||
4: ce_sd = !phase[1:0];
|
||||
default: ce_sd <= 1;
|
||||
endcase
|
||||
end
|
||||
|
||||
`define BITS_TO_FIT(N) ( \
|
||||
N <= 2 ? 0 : \
|
||||
N <= 4 ? 1 : \
|
||||
N <= 8 ? 2 : \
|
||||
N <= 16 ? 3 : \
|
||||
N <= 32 ? 4 : \
|
||||
N <= 64 ? 5 : \
|
||||
N <= 128 ? 6 : \
|
||||
N <= 256 ? 7 : \
|
||||
N <= 512 ? 8 : \
|
||||
N <=1024 ? 9 : 10 )
|
||||
|
||||
localparam AWIDTH = `BITS_TO_FIT(LENGTH);
|
||||
Hq2x #(.LENGTH(LENGTH), .HALF_DEPTH(HALF_DEPTH)) Hq2x
|
||||
(
|
||||
.clk(clk_sys),
|
||||
.ce_x4(ce_x4 & ce_sd),
|
||||
.inputpixel({b_in,g_in,r_in}),
|
||||
.mono(mono),
|
||||
.disable_hq2x(~hq2x),
|
||||
.reset_frame(vs_in),
|
||||
.reset_line(req_line_reset),
|
||||
.read_y(sd_line),
|
||||
.read_x(sd_h_actual),
|
||||
.outpixel({b_out,g_out,r_out})
|
||||
);
|
||||
|
||||
reg [10:0] sd_h_actual;
|
||||
always @(*) begin
|
||||
case(ce_div)
|
||||
2: sd_h_actual = sd_h[10:1];
|
||||
4: sd_h_actual = sd_h[10:2];
|
||||
default: sd_h_actual = sd_h;
|
||||
endcase
|
||||
end
|
||||
|
||||
reg [10:0] sd_h;
|
||||
reg [1:0] sd_line;
|
||||
always @(posedge clk_sys) begin
|
||||
|
||||
reg [11:0] hs_max,hs_rise,hs_ls;
|
||||
reg [10:0] hcnt;
|
||||
reg [11:0] sd_hcnt;
|
||||
|
||||
reg hs, hs2, vs, ls;
|
||||
|
||||
if(ce_x1) begin
|
||||
hs <= hs_in;
|
||||
ls <= ls_in;
|
||||
|
||||
if(ls && !ls_in) hs_ls <= {hcnt,1'b1};
|
||||
|
||||
// falling edge of hsync indicates start of line
|
||||
if(hs && !hs_in) begin
|
||||
hs_max <= {hcnt,1'b1};
|
||||
hcnt <= 0;
|
||||
if(ls && !ls_in) hs_ls <= {10'd0,1'b1};
|
||||
end else begin
|
||||
hcnt <= hcnt + 1'd1;
|
||||
end
|
||||
|
||||
// save position of rising edge
|
||||
if(!hs && hs_in) hs_rise <= {hcnt,1'b1};
|
||||
|
||||
vs <= vs_in;
|
||||
if(vs && ~vs_in) sd_line <= 0;
|
||||
end
|
||||
|
||||
if(ce_x4) begin
|
||||
hs2 <= hs_in;
|
||||
|
||||
// output counter synchronous to input and at twice the rate
|
||||
sd_hcnt <= sd_hcnt + 1'd1;
|
||||
sd_h <= sd_h + 1'd1;
|
||||
if(hs2 && !hs_in) sd_hcnt <= hs_max;
|
||||
if(sd_hcnt == hs_max) sd_hcnt <= 0;
|
||||
|
||||
// replicate horizontal sync at twice the speed
|
||||
if(sd_hcnt == hs_max) hs_out <= 0;
|
||||
if(sd_hcnt == hs_rise) hs_out <= 1;
|
||||
|
||||
if(sd_hcnt == hs_ls) sd_h <= 0;
|
||||
if(sd_hcnt == hs_ls) sd_line <= sd_line + 1'd1;
|
||||
end
|
||||
end
|
||||
|
||||
endmodule
|
||||
@@ -117,7 +117,7 @@ begin
|
||||
end if;
|
||||
|
||||
if hcnt = (127+8+1) then hblank <= '1'; -- +8 = retard du shift_register + 1 pixel--
|
||||
elsif hcnt = (255+8+1) then hblank <= '0'; -- +8 = retard du shift_register + 1 pixel--
|
||||
elsif hcnt = (255+8+2) then hblank <= '0'; -- +8 = retard du shift_register + 1 pixel--
|
||||
end if;
|
||||
|
||||
if vcnt = (495+1+0) then vblank <= '1';
|
||||
|
||||
@@ -1,243 +0,0 @@
|
||||
//
|
||||
//
|
||||
// Copyright (c) 2017 Sorgelig
|
||||
//
|
||||
// This program is GPL Licensed. See COPYING for the full license.
|
||||
//
|
||||
//
|
||||
////////////////////////////////////////////////////////////////////////////////////////////////////////
|
||||
|
||||
`timescale 1ns / 1ps
|
||||
|
||||
//
|
||||
// LINE_LENGTH: Length of display line in pixels
|
||||
// Usually it's length from HSync to HSync.
|
||||
// May be less if line_start is used.
|
||||
//
|
||||
// HALF_DEPTH: If =1 then color dept is 3 bits per component
|
||||
// For half depth 6 bits monochrome is available with
|
||||
// mono signal enabled and color = {G, R}
|
||||
|
||||
module video_mixer
|
||||
#(
|
||||
parameter LINE_LENGTH = 480,
|
||||
parameter HALF_DEPTH = 1,
|
||||
|
||||
parameter OSD_COLOR = 3'd4,
|
||||
parameter OSD_X_OFFSET = 10'd0,
|
||||
parameter OSD_Y_OFFSET = 10'd0
|
||||
)
|
||||
(
|
||||
// master clock
|
||||
// it should be multiple by (ce_pix*4).
|
||||
input clk_sys,
|
||||
|
||||
// Pixel clock or clock_enable (both are accepted).
|
||||
input ce_pix,
|
||||
|
||||
// Some systems have multiple resolutions.
|
||||
// ce_pix_actual should match ce_pix where every second or fourth pulse is enabled,
|
||||
// thus half or qurter resolutions can be used without brake video sync while switching resolutions.
|
||||
// For fixed single resolution (or when video sync stability isn't required) ce_pix_actual = ce_pix.
|
||||
input ce_pix_actual,
|
||||
|
||||
// OSD SPI interface
|
||||
input SPI_SCK,
|
||||
input SPI_SS3,
|
||||
input SPI_DI,
|
||||
|
||||
// scanlines (00-none 01-25% 10-50% 11-75%)
|
||||
input [1:0] scanlines,
|
||||
|
||||
// 0 = HVSync 31KHz, 1 = CSync 15KHz
|
||||
input scandoublerD,
|
||||
|
||||
// High quality 2x scaling
|
||||
input hq2x,
|
||||
|
||||
// YPbPr always uses composite sync
|
||||
input ypbpr,
|
||||
|
||||
// 0 = 16-240 range. 1 = 0-255 range. (only for YPbPr color space)
|
||||
input ypbpr_full,
|
||||
input [1:0] rotate, //[0] - rotate [1] - left or right
|
||||
// color
|
||||
input [DWIDTH:0] R,
|
||||
input [DWIDTH:0] G,
|
||||
input [DWIDTH:0] B,
|
||||
|
||||
// Monochrome mode (for HALF_DEPTH only)
|
||||
input mono,
|
||||
|
||||
// interlace sync. Positive pulses.
|
||||
input HSync,
|
||||
input VSync,
|
||||
|
||||
// Falling of this signal means start of informative part of line.
|
||||
// It can be horizontal blank signal.
|
||||
// This signal can be used to reduce amount of required FPGA RAM for HQ2x scan doubler
|
||||
// If FPGA RAM is not an issue, then simply set it to 0 for whole line processing.
|
||||
// Keep in mind: due to algo first and last pixels of line should be black to avoid side artefacts.
|
||||
// Thus, if blank signal is used to reduce the line, make sure to feed at least one black (or paper) pixel
|
||||
// before first informative pixel.
|
||||
input line_start,
|
||||
|
||||
// MiST video output signals
|
||||
output [5:0] VGA_R,
|
||||
output [5:0] VGA_G,
|
||||
output [5:0] VGA_B,
|
||||
output VGA_VS,
|
||||
output VGA_HS
|
||||
);
|
||||
|
||||
localparam DWIDTH = HALF_DEPTH ? 2 : 5;
|
||||
|
||||
wire [DWIDTH:0] R_sd;
|
||||
wire [DWIDTH:0] G_sd;
|
||||
wire [DWIDTH:0] B_sd;
|
||||
wire hs_sd, vs_sd;
|
||||
|
||||
scandoubler #(.LENGTH(LINE_LENGTH), .HALF_DEPTH(HALF_DEPTH)) scandoubler
|
||||
(
|
||||
.*,
|
||||
.hs_in(HSync),
|
||||
.vs_in(VSync),
|
||||
.r_in(R),
|
||||
.g_in(G),
|
||||
.b_in(B),
|
||||
|
||||
.hs_out(hs_sd),
|
||||
.vs_out(vs_sd),
|
||||
.r_out(R_sd),
|
||||
.g_out(G_sd),
|
||||
.b_out(B_sd)
|
||||
);
|
||||
|
||||
wire [DWIDTH:0] rt = (scandoublerD ? R : R_sd);
|
||||
wire [DWIDTH:0] gt = (scandoublerD ? G : G_sd);
|
||||
wire [DWIDTH:0] bt = (scandoublerD ? B : B_sd);
|
||||
|
||||
generate
|
||||
if(HALF_DEPTH) begin
|
||||
wire [5:0] r = mono ? {gt,rt} : {rt,rt};
|
||||
wire [5:0] g = mono ? {gt,rt} : {gt,gt};
|
||||
wire [5:0] b = mono ? {gt,rt} : {bt,bt};
|
||||
end else begin
|
||||
wire [5:0] r = rt;
|
||||
wire [5:0] g = gt;
|
||||
wire [5:0] b = bt;
|
||||
end
|
||||
endgenerate
|
||||
|
||||
wire hs = (scandoublerD ? HSync : hs_sd);
|
||||
wire vs = (scandoublerD ? VSync : vs_sd);
|
||||
|
||||
reg scanline = 0;
|
||||
always @(posedge clk_sys) begin
|
||||
reg old_hs, old_vs;
|
||||
|
||||
old_hs <= hs;
|
||||
old_vs <= vs;
|
||||
|
||||
if(old_hs && ~hs) scanline <= ~scanline;
|
||||
if(old_vs && ~vs) scanline <= 0;
|
||||
end
|
||||
|
||||
wire [5:0] r_out, g_out, b_out;
|
||||
always @(*) begin
|
||||
case(scanlines & {scanline, scanline})
|
||||
1: begin // reduce 25% = 1/2 + 1/4
|
||||
r_out = {1'b0, r[5:1]} + {2'b00, r[5:2]};
|
||||
g_out = {1'b0, g[5:1]} + {2'b00, g[5:2]};
|
||||
b_out = {1'b0, b[5:1]} + {2'b00, b[5:2]};
|
||||
end
|
||||
|
||||
2: begin // reduce 50% = 1/2
|
||||
r_out = {1'b0, r[5:1]};
|
||||
g_out = {1'b0, g[5:1]};
|
||||
b_out = {1'b0, b[5:1]};
|
||||
end
|
||||
|
||||
3: begin // reduce 75% = 1/4
|
||||
r_out = {2'b00, r[5:2]};
|
||||
g_out = {2'b00, g[5:2]};
|
||||
b_out = {2'b00, b[5:2]};
|
||||
end
|
||||
|
||||
default: begin
|
||||
r_out = r;
|
||||
g_out = g;
|
||||
b_out = b;
|
||||
end
|
||||
endcase
|
||||
end
|
||||
|
||||
wire [5:0] red, green, blue;
|
||||
osd #(OSD_X_OFFSET, OSD_Y_OFFSET, OSD_COLOR) osd
|
||||
(
|
||||
.*,
|
||||
|
||||
.R_in(r_out),
|
||||
.G_in(g_out),
|
||||
.B_in(b_out),
|
||||
.HSync(hs),
|
||||
.VSync(vs),
|
||||
.rotate(rotate),
|
||||
|
||||
.R_out(red),
|
||||
.G_out(green),
|
||||
.B_out(blue)
|
||||
);
|
||||
|
||||
wire [5:0] yuv_full[225] = '{
|
||||
6'd0, 6'd0, 6'd0, 6'd0, 6'd1, 6'd1, 6'd1, 6'd1,
|
||||
6'd2, 6'd2, 6'd2, 6'd3, 6'd3, 6'd3, 6'd3, 6'd4,
|
||||
6'd4, 6'd4, 6'd5, 6'd5, 6'd5, 6'd5, 6'd6, 6'd6,
|
||||
6'd6, 6'd7, 6'd7, 6'd7, 6'd7, 6'd8, 6'd8, 6'd8,
|
||||
6'd9, 6'd9, 6'd9, 6'd9, 6'd10, 6'd10, 6'd10, 6'd11,
|
||||
6'd11, 6'd11, 6'd11, 6'd12, 6'd12, 6'd12, 6'd13, 6'd13,
|
||||
6'd13, 6'd13, 6'd14, 6'd14, 6'd14, 6'd15, 6'd15, 6'd15,
|
||||
6'd15, 6'd16, 6'd16, 6'd16, 6'd17, 6'd17, 6'd17, 6'd17,
|
||||
6'd18, 6'd18, 6'd18, 6'd19, 6'd19, 6'd19, 6'd19, 6'd20,
|
||||
6'd20, 6'd20, 6'd21, 6'd21, 6'd21, 6'd21, 6'd22, 6'd22,
|
||||
6'd22, 6'd23, 6'd23, 6'd23, 6'd23, 6'd24, 6'd24, 6'd24,
|
||||
6'd25, 6'd25, 6'd25, 6'd25, 6'd26, 6'd26, 6'd26, 6'd27,
|
||||
6'd27, 6'd27, 6'd27, 6'd28, 6'd28, 6'd28, 6'd29, 6'd29,
|
||||
6'd29, 6'd29, 6'd30, 6'd30, 6'd30, 6'd31, 6'd31, 6'd31,
|
||||
6'd31, 6'd32, 6'd32, 6'd32, 6'd33, 6'd33, 6'd33, 6'd33,
|
||||
6'd34, 6'd34, 6'd34, 6'd35, 6'd35, 6'd35, 6'd35, 6'd36,
|
||||
6'd36, 6'd36, 6'd36, 6'd37, 6'd37, 6'd37, 6'd38, 6'd38,
|
||||
6'd38, 6'd38, 6'd39, 6'd39, 6'd39, 6'd40, 6'd40, 6'd40,
|
||||
6'd40, 6'd41, 6'd41, 6'd41, 6'd42, 6'd42, 6'd42, 6'd42,
|
||||
6'd43, 6'd43, 6'd43, 6'd44, 6'd44, 6'd44, 6'd44, 6'd45,
|
||||
6'd45, 6'd45, 6'd46, 6'd46, 6'd46, 6'd46, 6'd47, 6'd47,
|
||||
6'd47, 6'd48, 6'd48, 6'd48, 6'd48, 6'd49, 6'd49, 6'd49,
|
||||
6'd50, 6'd50, 6'd50, 6'd50, 6'd51, 6'd51, 6'd51, 6'd52,
|
||||
6'd52, 6'd52, 6'd52, 6'd53, 6'd53, 6'd53, 6'd54, 6'd54,
|
||||
6'd54, 6'd54, 6'd55, 6'd55, 6'd55, 6'd56, 6'd56, 6'd56,
|
||||
6'd56, 6'd57, 6'd57, 6'd57, 6'd58, 6'd58, 6'd58, 6'd58,
|
||||
6'd59, 6'd59, 6'd59, 6'd60, 6'd60, 6'd60, 6'd60, 6'd61,
|
||||
6'd61, 6'd61, 6'd62, 6'd62, 6'd62, 6'd62, 6'd63, 6'd63,
|
||||
6'd63
|
||||
};
|
||||
|
||||
// http://marsee101.blog19.fc2.com/blog-entry-2311.html
|
||||
// Y = 16 + 0.257*R + 0.504*G + 0.098*B (Y = 0.299*R + 0.587*G + 0.114*B)
|
||||
// Pb = 128 - 0.148*R - 0.291*G + 0.439*B (Pb = -0.169*R - 0.331*G + 0.500*B)
|
||||
// Pr = 128 + 0.439*R - 0.368*G - 0.071*B (Pr = 0.500*R - 0.419*G - 0.081*B)
|
||||
|
||||
wire [18:0] y_8 = 19'd04096 + ({red, 8'd0} + {red, 3'd0}) + ({green, 9'd0} + {green, 2'd0}) + ({blue, 6'd0} + {blue, 5'd0} + {blue, 2'd0});
|
||||
wire [18:0] pb_8 = 19'd32768 - ({red, 7'd0} + {red, 4'd0} + {red, 3'd0}) - ({green, 8'd0} + {green, 5'd0} + {green, 3'd0}) + ({blue, 8'd0} + {blue, 7'd0} + {blue, 6'd0});
|
||||
wire [18:0] pr_8 = 19'd32768 + ({red, 8'd0} + {red, 7'd0} + {red, 6'd0}) - ({green, 8'd0} + {green, 6'd0} + {green, 5'd0} + {green, 4'd0} + {green, 3'd0}) - ({blue, 6'd0} + {blue , 3'd0});
|
||||
|
||||
wire [7:0] y = ( y_8[17:8] < 16) ? 8'd16 : ( y_8[17:8] > 235) ? 8'd235 : y_8[15:8];
|
||||
wire [7:0] pb = (pb_8[17:8] < 16) ? 8'd16 : (pb_8[17:8] > 240) ? 8'd240 : pb_8[15:8];
|
||||
wire [7:0] pr = (pr_8[17:8] < 16) ? 8'd16 : (pr_8[17:8] > 240) ? 8'd240 : pr_8[15:8];
|
||||
|
||||
assign VGA_R = ypbpr ? (ypbpr_full ? yuv_full[pr-8'd16] : pr[7:2]) : red;
|
||||
assign VGA_G = ypbpr ? (ypbpr_full ? yuv_full[y -8'd16] : y[7:2]) : green;
|
||||
assign VGA_B = ypbpr ? (ypbpr_full ? yuv_full[pb-8'd16] : pb[7:2]) : blue;
|
||||
assign VGA_VS = (scandoublerD | ypbpr) ? 1'b1 : ~vs_sd;
|
||||
assign VGA_HS = scandoublerD ? ~(HSync ^ VSync) : ypbpr ? ~(hs_sd ^ vs_sd) : ~hs_sd;
|
||||
|
||||
endmodule
|
||||
Binary file not shown.
@@ -18,7 +18,7 @@
|
||||
#
|
||||
# Quartus II 64-Bit
|
||||
# Version 13.1.4 Build 182 03/12/2014 SJ Web Edition
|
||||
# Date created = 16:26:32 April 16, 2019
|
||||
# Date created = 14:56:12 September 09, 2019
|
||||
#
|
||||
# -------------------------------------------------------------------------- #
|
||||
#
|
||||
@@ -45,27 +45,23 @@ set_global_assignment -name PROJECT_CREATION_TIME_DATE "19:48:06 MAY 24,2017"
|
||||
set_global_assignment -name PRE_FLOW_SCRIPT_FILE "quartus_sh:rtl/build_id.tcl"
|
||||
set_global_assignment -name PROJECT_OUTPUT_DIRECTORY output_files
|
||||
set_global_assignment -name SYSTEMVERILOG_FILE rtl/Squash_MiST.sv
|
||||
set_global_assignment -name VHDL_FILE rtl/Pickin.vhd
|
||||
set_global_assignment -name VHDL_FILE rtl/bagman_tile_bit0.vhd
|
||||
set_global_assignment -name VHDL_FILE rtl/bagman_tile_bit1.vhd
|
||||
set_global_assignment -name VHDL_FILE rtl/bagman_program.vhd
|
||||
set_global_assignment -name VHDL_FILE rtl/bagman_palette.vhd
|
||||
set_global_assignment -name VHDL_FILE rtl/squash.vhd
|
||||
set_global_assignment -name VHDL_FILE rtl/ym_2149_linmix.vhd
|
||||
set_global_assignment -name VHDL_FILE rtl/video_gen.vhd
|
||||
set_global_assignment -name VHDL_FILE rtl/gen_ram.vhd
|
||||
set_global_assignment -name SYSTEMVERILOG_FILE rtl/joy2quad.sv
|
||||
set_global_assignment -name VHDL_FILE rtl/rom/squash_tile_bit1.vhd
|
||||
set_global_assignment -name VHDL_FILE rtl/rom/squash_tile_bit0.vhd
|
||||
set_global_assignment -name VHDL_FILE rtl/rom/squash_program.vhd
|
||||
set_global_assignment -name VHDL_FILE rtl/rom/squash_palette.vhd
|
||||
set_global_assignment -name VHDL_FILE rtl/T80/T80s.vhd
|
||||
set_global_assignment -name VHDL_FILE rtl/T80/T80_Reg.vhd
|
||||
set_global_assignment -name VHDL_FILE rtl/T80/T80_Pack.vhd
|
||||
set_global_assignment -name VHDL_FILE rtl/T80/T80_MCode.vhd
|
||||
set_global_assignment -name VHDL_FILE rtl/T80/T80_ALU.vhd
|
||||
set_global_assignment -name VHDL_FILE rtl/T80/T80.vhd
|
||||
set_global_assignment -name VHDL_FILE rtl/ym_2149_linmix.vhd
|
||||
set_global_assignment -name SYSTEMVERILOG_FILE rtl/video_mixer.sv
|
||||
set_global_assignment -name VHDL_FILE rtl/video_gen.vhd
|
||||
set_global_assignment -name SYSTEMVERILOG_FILE rtl/scandoubler.sv
|
||||
set_global_assignment -name SYSTEMVERILOG_FILE rtl/osd.sv
|
||||
set_global_assignment -name SYSTEMVERILOG_FILE rtl/mist_io.sv
|
||||
set_global_assignment -name SYSTEMVERILOG_FILE rtl/hq2x.sv
|
||||
set_global_assignment -name VHDL_FILE rtl/gen_ram.vhd
|
||||
set_global_assignment -name SYSTEMVERILOG_FILE rtl/dac.sv
|
||||
set_global_assignment -name VERILOG_FILE rtl/pll.v
|
||||
set_global_assignment -name QIP_FILE ../../../common/mist/mist.qip
|
||||
|
||||
# Pin & Location Assignments
|
||||
# ==========================
|
||||
@@ -161,11 +157,10 @@ set_global_assignment -name OUTPUT_IO_TIMING_FAR_END_VMEAS "HALF SIGNAL SWING" -
|
||||
set_global_assignment -name PARTITION_NETLIST_TYPE SOURCE -section_id Top
|
||||
set_global_assignment -name PARTITION_FITTER_PRESERVATION_LEVEL PLACEMENT_AND_ROUTING -section_id Top
|
||||
set_global_assignment -name PARTITION_COLOR 16764057 -section_id Top
|
||||
set_instance_assignment -name PARTITION_HIERARCHY root_partition -to | -section_id Top
|
||||
|
||||
# end DESIGN_PARTITION(Top)
|
||||
# -------------------------
|
||||
|
||||
# end ENTITY(Squash_MiST)
|
||||
# -----------------------
|
||||
set_global_assignment -name SYSTEMVERILOG_FILE rtl/joy2quad.sv
|
||||
set_instance_assignment -name PARTITION_HIERARCHY root_partition -to | -section_id Top
|
||||
# -----------------------
|
||||
@@ -16,24 +16,23 @@ module Squash_MiST (
|
||||
input CLOCK_27
|
||||
);
|
||||
|
||||
`include "rtl\build_id.sv"
|
||||
`include "rtl\build_id.v"
|
||||
|
||||
localparam CONF_STR = {
|
||||
"Squash;;",
|
||||
"O34,Scandoubler Fx,None,HQ2x,CRT 25%,CRT 50%;",
|
||||
"T6,Reset;",
|
||||
"V,v1.20.",`BUILD_DATE
|
||||
"V,v1.25.",`BUILD_DATE
|
||||
};
|
||||
|
||||
assign LED = 1;
|
||||
assign AUDIO_R = AUDIO_L;
|
||||
|
||||
wire clock_24, clock_12, clock_6;
|
||||
wire clock_24, clock_12;
|
||||
pll pll(
|
||||
.inclk0(CLOCK_27),
|
||||
.c0(clock_24),
|
||||
.c1(clock_12),
|
||||
.c2(clock_6)
|
||||
.c1(clock_12)
|
||||
);
|
||||
|
||||
wire [31:0] status;
|
||||
@@ -44,15 +43,17 @@ wire [7:0] joystick_0;
|
||||
wire [7:0] joystick_1;
|
||||
wire scandoublerD;
|
||||
wire ypbpr;
|
||||
wire [10:0] ps2_key;
|
||||
wire [15:0] audio;
|
||||
wire hs, vs;
|
||||
wire hb, vb;
|
||||
wire blankn = ~(hb | vb);
|
||||
wire [2:0] r, g;
|
||||
wire [1:0] b;
|
||||
wire key_strobe;
|
||||
wire key_pressed;
|
||||
wire [7:0] key_code;
|
||||
|
||||
Pickin Pickin(
|
||||
squash squash(
|
||||
.clock_12(clock_12),
|
||||
.reset(status[0] | status[6] | buttons[1]),
|
||||
.video_r(r),
|
||||
@@ -78,66 +79,60 @@ Pickin Pickin(
|
||||
.up2(m_up)
|
||||
);
|
||||
|
||||
video_mixer video_mixer(
|
||||
.clk_sys(clock_24),
|
||||
.ce_pix(clock_6),
|
||||
.ce_pix_actual(clock_6),
|
||||
.SPI_SCK(SPI_SCK),
|
||||
.SPI_SS3(SPI_SS3),
|
||||
.SPI_DI(SPI_DI),
|
||||
.R(blankn ? r : "000"),
|
||||
.G(blankn ? g : "000"),
|
||||
.B(blankn ? {b,b[0]} : "000"),
|
||||
.HSync(hs),
|
||||
.VSync(vs),
|
||||
.VGA_R(VGA_R),
|
||||
.VGA_G(VGA_G),
|
||||
.VGA_B(VGA_B),
|
||||
.VGA_VS(VGA_VS),
|
||||
.VGA_HS(VGA_HS),
|
||||
.scandoublerD(scandoublerD),
|
||||
.scanlines(scandoublerD ? 2'b00 : status[4:3]),
|
||||
.ypbpr(ypbpr),
|
||||
.ypbpr_full(1),
|
||||
.line_start(0),
|
||||
.mono(0)
|
||||
);
|
||||
mist_video #(.COLOR_DEPTH(3), .SD_HCNT_WIDTH(10)) mist_video(
|
||||
.clk_sys ( clock_24 ),
|
||||
.SPI_SCK ( SPI_SCK ),
|
||||
.SPI_SS3 ( SPI_SS3 ),
|
||||
.SPI_DI ( SPI_DI ),
|
||||
.R ( blankn ? r : 0 ),
|
||||
.G ( blankn ? g : 0 ),
|
||||
.B ( blankn ? {b,b[0]} : 0 ),
|
||||
.HSync ( hs ),
|
||||
.VSync ( vs ),
|
||||
.VGA_R ( VGA_R ),
|
||||
.VGA_G ( VGA_G ),
|
||||
.VGA_B ( VGA_B ),
|
||||
.VGA_VS ( VGA_VS ),
|
||||
.VGA_HS ( VGA_HS ),
|
||||
.scandoubler_disable( scandoublerD ),
|
||||
.scanlines ( status[4:3] ),
|
||||
.ypbpr ( ypbpr )
|
||||
);
|
||||
|
||||
mist_io #(
|
||||
.STRLEN(($size(CONF_STR)>>3)))
|
||||
mist_io(
|
||||
user_io #(.STRLEN(($size(CONF_STR)>>3)))user_io(
|
||||
.clk_sys (clock_24 ),
|
||||
.conf_str (CONF_STR ),
|
||||
.SPI_SCK (SPI_SCK ),
|
||||
.CONF_DATA0 (CONF_DATA0 ),
|
||||
.SPI_SS2 (SPI_SS2 ),
|
||||
.SPI_DO (SPI_DO ),
|
||||
.SPI_DI (SPI_DI ),
|
||||
.SPI_CLK (SPI_SCK ),
|
||||
.SPI_SS_IO (CONF_DATA0 ),
|
||||
.SPI_MISO (SPI_DO ),
|
||||
.SPI_MOSI (SPI_DI ),
|
||||
.buttons (buttons ),
|
||||
.switches (switches ),
|
||||
.scandoublerD (scandoublerD ),
|
||||
.switches (switches ),
|
||||
.scandoubler_disable (scandoublerD ),
|
||||
.ypbpr (ypbpr ),
|
||||
.ps2_key (ps2_key ),
|
||||
.joystick_0 (joystick_0 ),
|
||||
.key_strobe (key_strobe ),
|
||||
.key_pressed (key_pressed ),
|
||||
.key_code (key_code ),
|
||||
.joystick_0 (joystick_0 ),
|
||||
.joystick_1 (joystick_1 ),
|
||||
.status (status )
|
||||
);
|
||||
|
||||
|
||||
dac #(
|
||||
.MSBI(15))
|
||||
dac(
|
||||
.CLK(clock_24),
|
||||
.RESET(1'b0),
|
||||
.DACin({audio[15],audio[14:0]}),
|
||||
.DACout(AUDIO_L)
|
||||
dac #(.C_bits(16))dac(
|
||||
.clk_i(clock_24),
|
||||
.res_n_i(1),
|
||||
.dac_i(audio),
|
||||
.dac_o(AUDIO_L)
|
||||
);
|
||||
|
||||
|
||||
wire m_up = btn_up | joystick_0[3] | joystick_1[3];
|
||||
wire m_down = btn_down | joystick_0[2] | joystick_1[2];
|
||||
wire m_left = btn_left | joystick_0[1] | joystick_1[1];
|
||||
wire m_right = btn_right | joystick_0[0] | joystick_1[0];
|
||||
wire m_fire = btn_fire1 | joystick_0[4] | joystick_1[4];
|
||||
wire m_bomb = btn_fire2 | joystick_0[5] | joystick_1[5];
|
||||
//wire m_bomb = btn_fire2 | joystick_0[5] | joystick_1[5];
|
||||
|
||||
reg btn_one_player = 0;
|
||||
reg btn_two_players = 0;
|
||||
@@ -146,27 +141,25 @@ reg btn_right = 0;
|
||||
reg btn_down = 0;
|
||||
reg btn_up = 0;
|
||||
reg btn_fire1 = 0;
|
||||
reg btn_fire2 = 0;
|
||||
reg btn_fire3 = 0;
|
||||
//reg btn_fire2 = 0;
|
||||
//reg btn_fire3 = 0;
|
||||
reg btn_coin = 0;
|
||||
wire pressed = ps2_key[9];
|
||||
wire [7:0] code = ps2_key[7:0];
|
||||
|
||||
always @(posedge clock_24) begin
|
||||
reg old_state;
|
||||
old_state <= ps2_key[10];
|
||||
if(old_state != ps2_key[10]) begin
|
||||
case(code)
|
||||
'h75: btn_up <= pressed; // up
|
||||
'h72: btn_down <= pressed; // down
|
||||
'h6B: btn_left <= pressed; // left
|
||||
'h74: btn_right <= pressed; // right
|
||||
'h76: btn_coin <= pressed; // ESC
|
||||
'h05: btn_one_player <= pressed; // F1
|
||||
'h06: btn_two_players <= pressed; // F2
|
||||
'h14: btn_fire3 <= pressed; // ctrl
|
||||
'h11: btn_fire2 <= pressed; // alt
|
||||
'h29: btn_fire1 <= pressed; // Space
|
||||
old_state <= key_strobe;
|
||||
if(old_state != key_strobe) begin
|
||||
case(key_code)
|
||||
'h75: btn_up <= key_pressed; // up
|
||||
'h72: btn_down <= key_pressed; // down
|
||||
'h6B: btn_left <= key_pressed; // left
|
||||
'h74: btn_right <= key_pressed; // right
|
||||
'h76: btn_coin <= key_pressed; // ESC
|
||||
'h05: btn_one_player <= key_pressed; // F1
|
||||
'h06: btn_two_players <= key_pressed; // F2
|
||||
// 'h14: btn_fire3 <= key_pressed; // ctrl
|
||||
// 'h11: btn_fire2 <= key_pressed; // alt
|
||||
'h29: btn_fire1 <= key_pressed; // Space
|
||||
endcase
|
||||
end
|
||||
end
|
||||
|
||||
@@ -1,2 +0,0 @@
|
||||
`define BUILD_DATE "190416"
|
||||
`define BUILD_TIME "173104"
|
||||
@@ -17,7 +17,7 @@ proc generateBuildID_Verilog {} {
|
||||
set buildTime [ clock format [ clock seconds ] -format %H%M%S ]
|
||||
|
||||
# Create a Verilog file for output
|
||||
set outputFileName "rtl/build_id.sv"
|
||||
set outputFileName "rtl/build_id.v"
|
||||
set outputFile [open $outputFileName "w"]
|
||||
|
||||
# Output the Verilog source
|
||||
|
||||
@@ -1,33 +0,0 @@
|
||||
//
|
||||
// PWM DAC
|
||||
//
|
||||
// MSBI is the highest bit number. NOT amount of bits!
|
||||
//
|
||||
module dac #(parameter MSBI=12, parameter INV=1'b1)
|
||||
(
|
||||
output reg DACout, //Average Output feeding analog lowpass
|
||||
input [MSBI:0] DACin, //DAC input (excess 2**MSBI)
|
||||
input CLK,
|
||||
input RESET
|
||||
);
|
||||
|
||||
reg [MSBI+2:0] DeltaAdder; //Output of Delta Adder
|
||||
reg [MSBI+2:0] SigmaAdder; //Output of Sigma Adder
|
||||
reg [MSBI+2:0] SigmaLatch; //Latches output of Sigma Adder
|
||||
reg [MSBI+2:0] DeltaB; //B input of Delta Adder
|
||||
|
||||
always @(*) DeltaB = {SigmaLatch[MSBI+2], SigmaLatch[MSBI+2]} << (MSBI+1);
|
||||
always @(*) DeltaAdder = DACin + DeltaB;
|
||||
always @(*) SigmaAdder = DeltaAdder + SigmaLatch;
|
||||
|
||||
always @(posedge CLK or posedge RESET) begin
|
||||
if(RESET) begin
|
||||
SigmaLatch <= 1'b1 << (MSBI+1);
|
||||
DACout <= INV;
|
||||
end else begin
|
||||
SigmaLatch <= SigmaAdder;
|
||||
DACout <= SigmaLatch[MSBI+2] ^ INV;
|
||||
end
|
||||
end
|
||||
|
||||
endmodule
|
||||
@@ -1,454 +0,0 @@
|
||||
//
|
||||
//
|
||||
// Copyright (c) 2012-2013 Ludvig Strigeus
|
||||
// Copyright (c) 2017 Sorgelig
|
||||
//
|
||||
// This program is GPL Licensed. See COPYING for the full license.
|
||||
//
|
||||
//
|
||||
////////////////////////////////////////////////////////////////////////////////////////////////////////
|
||||
|
||||
// synopsys translate_off
|
||||
`timescale 1 ps / 1 ps
|
||||
// synopsys translate_on
|
||||
|
||||
`define BITS_TO_FIT(N) ( \
|
||||
N <= 2 ? 0 : \
|
||||
N <= 4 ? 1 : \
|
||||
N <= 8 ? 2 : \
|
||||
N <= 16 ? 3 : \
|
||||
N <= 32 ? 4 : \
|
||||
N <= 64 ? 5 : \
|
||||
N <= 128 ? 6 : \
|
||||
N <= 256 ? 7 : \
|
||||
N <= 512 ? 8 : \
|
||||
N <=1024 ? 9 : 10 )
|
||||
|
||||
module hq2x_in #(parameter LENGTH, parameter DWIDTH)
|
||||
(
|
||||
input clk,
|
||||
|
||||
input [AWIDTH:0] rdaddr,
|
||||
input rdbuf,
|
||||
output[DWIDTH:0] q,
|
||||
|
||||
input [AWIDTH:0] wraddr,
|
||||
input wrbuf,
|
||||
input [DWIDTH:0] data,
|
||||
input wren
|
||||
);
|
||||
|
||||
localparam AWIDTH = `BITS_TO_FIT(LENGTH);
|
||||
wire [DWIDTH:0] out[2];
|
||||
assign q = out[rdbuf];
|
||||
|
||||
hq2x_buf #(.NUMWORDS(LENGTH), .AWIDTH(AWIDTH), .DWIDTH(DWIDTH)) buf0(clk,data,rdaddr,wraddr,wren && (wrbuf == 0),out[0]);
|
||||
hq2x_buf #(.NUMWORDS(LENGTH), .AWIDTH(AWIDTH), .DWIDTH(DWIDTH)) buf1(clk,data,rdaddr,wraddr,wren && (wrbuf == 1),out[1]);
|
||||
endmodule
|
||||
|
||||
|
||||
module hq2x_out #(parameter LENGTH, parameter DWIDTH)
|
||||
(
|
||||
input clk,
|
||||
|
||||
input [AWIDTH:0] rdaddr,
|
||||
input [1:0] rdbuf,
|
||||
output[DWIDTH:0] q,
|
||||
|
||||
input [AWIDTH:0] wraddr,
|
||||
input [1:0] wrbuf,
|
||||
input [DWIDTH:0] data,
|
||||
input wren
|
||||
);
|
||||
|
||||
localparam AWIDTH = `BITS_TO_FIT(LENGTH*2);
|
||||
wire [DWIDTH:0] out[4];
|
||||
assign q = out[rdbuf];
|
||||
|
||||
hq2x_buf #(.NUMWORDS(LENGTH*2), .AWIDTH(AWIDTH), .DWIDTH(DWIDTH)) buf0(clk,data,rdaddr,wraddr,wren && (wrbuf == 0),out[0]);
|
||||
hq2x_buf #(.NUMWORDS(LENGTH*2), .AWIDTH(AWIDTH), .DWIDTH(DWIDTH)) buf1(clk,data,rdaddr,wraddr,wren && (wrbuf == 1),out[1]);
|
||||
hq2x_buf #(.NUMWORDS(LENGTH*2), .AWIDTH(AWIDTH), .DWIDTH(DWIDTH)) buf2(clk,data,rdaddr,wraddr,wren && (wrbuf == 2),out[2]);
|
||||
hq2x_buf #(.NUMWORDS(LENGTH*2), .AWIDTH(AWIDTH), .DWIDTH(DWIDTH)) buf3(clk,data,rdaddr,wraddr,wren && (wrbuf == 3),out[3]);
|
||||
endmodule
|
||||
|
||||
|
||||
module hq2x_buf #(parameter NUMWORDS, parameter AWIDTH, parameter DWIDTH)
|
||||
(
|
||||
input clock,
|
||||
input [DWIDTH:0] data,
|
||||
input [AWIDTH:0] rdaddress,
|
||||
input [AWIDTH:0] wraddress,
|
||||
input wren,
|
||||
output [DWIDTH:0] q
|
||||
);
|
||||
|
||||
altsyncram altsyncram_component (
|
||||
.address_a (wraddress),
|
||||
.clock0 (clock),
|
||||
.data_a (data),
|
||||
.wren_a (wren),
|
||||
.address_b (rdaddress),
|
||||
.q_b(q),
|
||||
.aclr0 (1'b0),
|
||||
.aclr1 (1'b0),
|
||||
.addressstall_a (1'b0),
|
||||
.addressstall_b (1'b0),
|
||||
.byteena_a (1'b1),
|
||||
.byteena_b (1'b1),
|
||||
.clock1 (1'b1),
|
||||
.clocken0 (1'b1),
|
||||
.clocken1 (1'b1),
|
||||
.clocken2 (1'b1),
|
||||
.clocken3 (1'b1),
|
||||
.data_b ({(DWIDTH+1){1'b1}}),
|
||||
.eccstatus (),
|
||||
.q_a (),
|
||||
.rden_a (1'b1),
|
||||
.rden_b (1'b1),
|
||||
.wren_b (1'b0));
|
||||
defparam
|
||||
altsyncram_component.address_aclr_b = "NONE",
|
||||
altsyncram_component.address_reg_b = "CLOCK0",
|
||||
altsyncram_component.clock_enable_input_a = "BYPASS",
|
||||
altsyncram_component.clock_enable_input_b = "BYPASS",
|
||||
altsyncram_component.clock_enable_output_b = "BYPASS",
|
||||
altsyncram_component.intended_device_family = "Cyclone III",
|
||||
altsyncram_component.lpm_type = "altsyncram",
|
||||
altsyncram_component.numwords_a = NUMWORDS,
|
||||
altsyncram_component.numwords_b = NUMWORDS,
|
||||
altsyncram_component.operation_mode = "DUAL_PORT",
|
||||
altsyncram_component.outdata_aclr_b = "NONE",
|
||||
altsyncram_component.outdata_reg_b = "UNREGISTERED",
|
||||
altsyncram_component.power_up_uninitialized = "FALSE",
|
||||
altsyncram_component.read_during_write_mode_mixed_ports = "DONT_CARE",
|
||||
altsyncram_component.widthad_a = AWIDTH+1,
|
||||
altsyncram_component.widthad_b = AWIDTH+1,
|
||||
altsyncram_component.width_a = DWIDTH+1,
|
||||
altsyncram_component.width_b = DWIDTH+1,
|
||||
altsyncram_component.width_byteena_a = 1;
|
||||
|
||||
endmodule
|
||||
|
||||
////////////////////////////////////////////////////////////////////////////////////////////////////////
|
||||
|
||||
module DiffCheck
|
||||
(
|
||||
input [17:0] rgb1,
|
||||
input [17:0] rgb2,
|
||||
output result
|
||||
);
|
||||
|
||||
wire [5:0] r = rgb1[5:1] - rgb2[5:1];
|
||||
wire [5:0] g = rgb1[11:7] - rgb2[11:7];
|
||||
wire [5:0] b = rgb1[17:13] - rgb2[17:13];
|
||||
wire [6:0] t = $signed(r) + $signed(b);
|
||||
wire [6:0] gx = {g[5], g};
|
||||
wire [7:0] y = $signed(t) + $signed(gx);
|
||||
wire [6:0] u = $signed(r) - $signed(b);
|
||||
wire [7:0] v = $signed({g, 1'b0}) - $signed(t);
|
||||
|
||||
// if y is inside (-24..24)
|
||||
wire y_inside = (y < 8'h18 || y >= 8'he8);
|
||||
|
||||
// if u is inside (-4, 4)
|
||||
wire u_inside = (u < 7'h4 || u >= 7'h7c);
|
||||
|
||||
// if v is inside (-6, 6)
|
||||
wire v_inside = (v < 8'h6 || v >= 8'hfA);
|
||||
assign result = !(y_inside && u_inside && v_inside);
|
||||
endmodule
|
||||
|
||||
module InnerBlend
|
||||
(
|
||||
input [8:0] Op,
|
||||
input [5:0] A,
|
||||
input [5:0] B,
|
||||
input [5:0] C,
|
||||
output [5:0] O
|
||||
);
|
||||
|
||||
function [8:0] mul6x3;
|
||||
input [5:0] op1;
|
||||
input [2:0] op2;
|
||||
begin
|
||||
mul6x3 = 9'd0;
|
||||
if(op2[0]) mul6x3 = mul6x3 + op1;
|
||||
if(op2[1]) mul6x3 = mul6x3 + {op1, 1'b0};
|
||||
if(op2[2]) mul6x3 = mul6x3 + {op1, 2'b00};
|
||||
end
|
||||
endfunction
|
||||
|
||||
wire OpOnes = Op[4];
|
||||
wire [8:0] Amul = mul6x3(A, Op[7:5]);
|
||||
wire [8:0] Bmul = mul6x3(B, {Op[3:2], 1'b0});
|
||||
wire [8:0] Cmul = mul6x3(C, {Op[1:0], 1'b0});
|
||||
wire [8:0] At = Amul;
|
||||
wire [8:0] Bt = (OpOnes == 0) ? Bmul : {3'b0, B};
|
||||
wire [8:0] Ct = (OpOnes == 0) ? Cmul : {3'b0, C};
|
||||
wire [9:0] Res = {At, 1'b0} + Bt + Ct;
|
||||
assign O = Op[8] ? A : Res[9:4];
|
||||
endmodule
|
||||
|
||||
module Blend
|
||||
(
|
||||
input [5:0] rule,
|
||||
input disable_hq2x,
|
||||
input [17:0] E,
|
||||
input [17:0] A,
|
||||
input [17:0] B,
|
||||
input [17:0] D,
|
||||
input [17:0] F,
|
||||
input [17:0] H,
|
||||
output [17:0] Result
|
||||
);
|
||||
|
||||
reg [1:0] input_ctrl;
|
||||
reg [8:0] op;
|
||||
localparam BLEND0 = 9'b1_xxx_x_xx_xx; // 0: A
|
||||
localparam BLEND1 = 9'b0_110_0_10_00; // 1: (A * 12 + B * 4) >> 4
|
||||
localparam BLEND2 = 9'b0_100_0_10_10; // 2: (A * 8 + B * 4 + C * 4) >> 4
|
||||
localparam BLEND3 = 9'b0_101_0_10_01; // 3: (A * 10 + B * 4 + C * 2) >> 4
|
||||
localparam BLEND4 = 9'b0_110_0_01_01; // 4: (A * 12 + B * 2 + C * 2) >> 4
|
||||
localparam BLEND5 = 9'b0_010_0_11_11; // 5: (A * 4 + (B + C) * 6) >> 4
|
||||
localparam BLEND6 = 9'b0_111_1_xx_xx; // 6: (A * 14 + B + C) >> 4
|
||||
localparam AB = 2'b00;
|
||||
localparam AD = 2'b01;
|
||||
localparam DB = 2'b10;
|
||||
localparam BD = 2'b11;
|
||||
wire is_diff;
|
||||
DiffCheck diff_checker(rule[1] ? B : H, rule[0] ? D : F, is_diff);
|
||||
|
||||
always @* begin
|
||||
case({!is_diff, rule[5:2]})
|
||||
1,17: {op, input_ctrl} = {BLEND1, AB};
|
||||
2,18: {op, input_ctrl} = {BLEND1, DB};
|
||||
3,19: {op, input_ctrl} = {BLEND1, BD};
|
||||
4,20: {op, input_ctrl} = {BLEND2, DB};
|
||||
5,21: {op, input_ctrl} = {BLEND2, AB};
|
||||
6,22: {op, input_ctrl} = {BLEND2, AD};
|
||||
|
||||
8: {op, input_ctrl} = {BLEND0, 2'bxx};
|
||||
9: {op, input_ctrl} = {BLEND0, 2'bxx};
|
||||
10: {op, input_ctrl} = {BLEND0, 2'bxx};
|
||||
11: {op, input_ctrl} = {BLEND1, AB};
|
||||
12: {op, input_ctrl} = {BLEND1, AB};
|
||||
13: {op, input_ctrl} = {BLEND1, AB};
|
||||
14: {op, input_ctrl} = {BLEND1, DB};
|
||||
15: {op, input_ctrl} = {BLEND1, BD};
|
||||
|
||||
24: {op, input_ctrl} = {BLEND2, DB};
|
||||
25: {op, input_ctrl} = {BLEND5, DB};
|
||||
26: {op, input_ctrl} = {BLEND6, DB};
|
||||
27: {op, input_ctrl} = {BLEND2, DB};
|
||||
28: {op, input_ctrl} = {BLEND4, DB};
|
||||
29: {op, input_ctrl} = {BLEND5, DB};
|
||||
30: {op, input_ctrl} = {BLEND3, BD};
|
||||
31: {op, input_ctrl} = {BLEND3, DB};
|
||||
default: {op, input_ctrl} = 11'bx;
|
||||
endcase
|
||||
|
||||
// Setting op[8] effectively disables HQ2X because blend will always return E.
|
||||
if (disable_hq2x) op[8] = 1;
|
||||
end
|
||||
|
||||
// Generate inputs to the inner blender. Valid combinations.
|
||||
// 00: E A B
|
||||
// 01: E A D
|
||||
// 10: E D B
|
||||
// 11: E B D
|
||||
wire [17:0] Input1 = E;
|
||||
wire [17:0] Input2 = !input_ctrl[1] ? A :
|
||||
!input_ctrl[0] ? D : B;
|
||||
|
||||
wire [17:0] Input3 = !input_ctrl[0] ? B : D;
|
||||
InnerBlend inner_blend1(op, Input1[5:0], Input2[5:0], Input3[5:0], Result[5:0]);
|
||||
InnerBlend inner_blend2(op, Input1[11:6], Input2[11:6], Input3[11:6], Result[11:6]);
|
||||
InnerBlend inner_blend3(op, Input1[17:12], Input2[17:12], Input3[17:12], Result[17:12]);
|
||||
endmodule
|
||||
|
||||
|
||||
////////////////////////////////////////////////////////////////////////////////////////////////////
|
||||
|
||||
module Hq2x #(parameter LENGTH, parameter HALF_DEPTH)
|
||||
(
|
||||
input clk,
|
||||
input ce_x4,
|
||||
input [DWIDTH:0] inputpixel,
|
||||
input mono,
|
||||
input disable_hq2x,
|
||||
input reset_frame,
|
||||
input reset_line,
|
||||
input [1:0] read_y,
|
||||
input [AWIDTH+1:0] read_x,
|
||||
output [DWIDTH:0] outpixel
|
||||
);
|
||||
|
||||
|
||||
localparam AWIDTH = `BITS_TO_FIT(LENGTH);
|
||||
localparam DWIDTH = HALF_DEPTH ? 8 : 17;
|
||||
|
||||
wire [5:0] hqTable[256] = '{
|
||||
19, 19, 26, 11, 19, 19, 26, 11, 23, 15, 47, 35, 23, 15, 55, 39,
|
||||
19, 19, 26, 58, 19, 19, 26, 58, 23, 15, 35, 35, 23, 15, 7, 35,
|
||||
19, 19, 26, 11, 19, 19, 26, 11, 23, 15, 55, 39, 23, 15, 51, 43,
|
||||
19, 19, 26, 58, 19, 19, 26, 58, 23, 15, 51, 35, 23, 15, 7, 43,
|
||||
19, 19, 26, 11, 19, 19, 26, 11, 23, 61, 35, 35, 23, 61, 51, 35,
|
||||
19, 19, 26, 11, 19, 19, 26, 11, 23, 15, 51, 35, 23, 15, 51, 35,
|
||||
19, 19, 26, 11, 19, 19, 26, 11, 23, 61, 7, 35, 23, 61, 7, 43,
|
||||
19, 19, 26, 11, 19, 19, 26, 58, 23, 15, 51, 35, 23, 61, 7, 43,
|
||||
19, 19, 26, 11, 19, 19, 26, 11, 23, 15, 47, 35, 23, 15, 55, 39,
|
||||
19, 19, 26, 11, 19, 19, 26, 11, 23, 15, 51, 35, 23, 15, 51, 35,
|
||||
19, 19, 26, 11, 19, 19, 26, 11, 23, 15, 55, 39, 23, 15, 51, 43,
|
||||
19, 19, 26, 11, 19, 19, 26, 11, 23, 15, 51, 39, 23, 15, 7, 43,
|
||||
19, 19, 26, 11, 19, 19, 26, 11, 23, 15, 51, 35, 23, 15, 51, 39,
|
||||
19, 19, 26, 11, 19, 19, 26, 11, 23, 15, 51, 35, 23, 15, 7, 35,
|
||||
19, 19, 26, 11, 19, 19, 26, 11, 23, 15, 51, 35, 23, 15, 7, 43,
|
||||
19, 19, 26, 11, 19, 19, 26, 11, 23, 15, 7, 35, 23, 15, 7, 43
|
||||
};
|
||||
|
||||
reg [17:0] Prev0, Prev1, Prev2, Curr0, Curr1, Next0, Next1, Next2;
|
||||
reg [17:0] A, B, D, F, G, H;
|
||||
reg [7:0] pattern, nextpatt;
|
||||
reg [1:0] i;
|
||||
reg [7:0] y;
|
||||
|
||||
wire curbuf = y[0];
|
||||
reg prevbuf = 0;
|
||||
wire iobuf = !curbuf;
|
||||
|
||||
wire diff0, diff1;
|
||||
DiffCheck diffcheck0(Curr1, (i == 0) ? Prev0 : (i == 1) ? Curr0 : (i == 2) ? Prev2 : Next1, diff0);
|
||||
DiffCheck diffcheck1(Curr1, (i == 0) ? Prev1 : (i == 1) ? Next0 : (i == 2) ? Curr2 : Next2, diff1);
|
||||
|
||||
wire [7:0] new_pattern = {diff1, diff0, pattern[7:2]};
|
||||
|
||||
wire [17:0] X = (i == 0) ? A : (i == 1) ? Prev1 : (i == 2) ? Next1 : G;
|
||||
wire [17:0] blend_result;
|
||||
Blend blender(hqTable[nextpatt], disable_hq2x, Curr0, X, B, D, F, H, blend_result);
|
||||
|
||||
reg Curr2_addr1;
|
||||
reg [AWIDTH:0] Curr2_addr2;
|
||||
wire [17:0] Curr2 = HALF_DEPTH ? h2rgb(Curr2tmp) : Curr2tmp;
|
||||
wire [DWIDTH:0] Curr2tmp;
|
||||
|
||||
reg [AWIDTH:0] wrin_addr2;
|
||||
reg [DWIDTH:0] wrpix;
|
||||
reg wrin_en;
|
||||
|
||||
function [17:0] h2rgb;
|
||||
input [8:0] v;
|
||||
begin
|
||||
h2rgb = mono ? {v[5:3],v[2:0], v[5:3],v[2:0], v[5:3],v[2:0]} : {v[8:6],v[8:6],v[5:3],v[5:3],v[2:0],v[2:0]};
|
||||
end
|
||||
endfunction
|
||||
|
||||
function [8:0] rgb2h;
|
||||
input [17:0] v;
|
||||
begin
|
||||
rgb2h = mono ? {3'b000, v[17:15], v[14:12]} : {v[17:15], v[11:9], v[5:3]};
|
||||
end
|
||||
endfunction
|
||||
|
||||
hq2x_in #(.LENGTH(LENGTH), .DWIDTH(DWIDTH)) hq2x_in
|
||||
(
|
||||
.clk(clk),
|
||||
|
||||
.rdaddr(Curr2_addr2),
|
||||
.rdbuf(Curr2_addr1),
|
||||
.q(Curr2tmp),
|
||||
|
||||
.wraddr(wrin_addr2),
|
||||
.wrbuf(iobuf),
|
||||
.data(wrpix),
|
||||
.wren(wrin_en)
|
||||
);
|
||||
|
||||
reg [1:0] wrout_addr1;
|
||||
reg [AWIDTH+1:0] wrout_addr2;
|
||||
reg wrout_en;
|
||||
reg [DWIDTH:0] wrdata;
|
||||
|
||||
hq2x_out #(.LENGTH(LENGTH), .DWIDTH(DWIDTH)) hq2x_out
|
||||
(
|
||||
.clk(clk),
|
||||
|
||||
.rdaddr(read_x),
|
||||
.rdbuf(read_y),
|
||||
.q(outpixel),
|
||||
|
||||
.wraddr(wrout_addr2),
|
||||
.wrbuf(wrout_addr1),
|
||||
.data(wrdata),
|
||||
.wren(wrout_en)
|
||||
);
|
||||
|
||||
always @(posedge clk) begin
|
||||
reg [AWIDTH:0] offs;
|
||||
reg old_reset_line;
|
||||
reg old_reset_frame;
|
||||
|
||||
wrout_en <= 0;
|
||||
wrin_en <= 0;
|
||||
|
||||
if(ce_x4) begin
|
||||
|
||||
pattern <= new_pattern;
|
||||
|
||||
if(~&offs) begin
|
||||
if (i == 0) begin
|
||||
Curr2_addr1 <= prevbuf;
|
||||
Curr2_addr2 <= offs;
|
||||
end
|
||||
if (i == 1) begin
|
||||
Prev2 <= Curr2;
|
||||
Curr2_addr1 <= curbuf;
|
||||
Curr2_addr2 <= offs;
|
||||
end
|
||||
if (i == 2) begin
|
||||
Next2 <= HALF_DEPTH ? h2rgb(inputpixel) : inputpixel;
|
||||
wrpix <= inputpixel;
|
||||
wrin_addr2 <= offs;
|
||||
wrin_en <= 1;
|
||||
end
|
||||
if (i == 3) begin
|
||||
offs <= offs + 1'd1;
|
||||
end
|
||||
|
||||
if(HALF_DEPTH) wrdata <= rgb2h(blend_result);
|
||||
else wrdata <= blend_result;
|
||||
|
||||
wrout_addr1 <= {curbuf, i[1]};
|
||||
wrout_addr2 <= {offs, i[1]^i[0]};
|
||||
wrout_en <= 1;
|
||||
end
|
||||
|
||||
if(i==3) begin
|
||||
nextpatt <= {new_pattern[7:6], new_pattern[3], new_pattern[5], new_pattern[2], new_pattern[4], new_pattern[1:0]};
|
||||
{A, G} <= {Prev0, Next0};
|
||||
{B, F, H, D} <= {Prev1, Curr2, Next1, Curr0};
|
||||
{Prev0, Prev1} <= {Prev1, Prev2};
|
||||
{Curr0, Curr1} <= {Curr1, Curr2};
|
||||
{Next0, Next1} <= {Next1, Next2};
|
||||
end else begin
|
||||
nextpatt <= {nextpatt[5], nextpatt[3], nextpatt[0], nextpatt[6], nextpatt[1], nextpatt[7], nextpatt[4], nextpatt[2]};
|
||||
{B, F, H, D} <= {F, H, D, B};
|
||||
end
|
||||
|
||||
i <= i + 1'b1;
|
||||
if(old_reset_line && ~reset_line) begin
|
||||
old_reset_frame <= reset_frame;
|
||||
offs <= 0;
|
||||
i <= 0;
|
||||
y <= y + 1'd1;
|
||||
prevbuf <= curbuf;
|
||||
if(old_reset_frame & ~reset_frame) begin
|
||||
y <= 0;
|
||||
prevbuf <= 0;
|
||||
end
|
||||
end
|
||||
|
||||
old_reset_line <= reset_line;
|
||||
end
|
||||
end
|
||||
|
||||
endmodule // Hq2x
|
||||
@@ -1,530 +0,0 @@
|
||||
//
|
||||
// mist_io.v
|
||||
//
|
||||
// mist_io for the MiST board
|
||||
// http://code.google.com/p/mist-board/
|
||||
//
|
||||
// Copyright (c) 2014 Till Harbaum <till@harbaum.org>
|
||||
// Copyright (c) 2015-2017 Sorgelig
|
||||
//
|
||||
// This source file is free software: you can redistribute it and/or modify
|
||||
// it under the terms of the GNU General Public License as published
|
||||
// by the Free Software Foundation, either version 3 of the License, or
|
||||
// (at your option) any later version.
|
||||
//
|
||||
// This source file is distributed in the hope that it will be useful,
|
||||
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
// GNU General Public License for more details.
|
||||
//
|
||||
// You should have received a copy of the GNU General Public License
|
||||
// along with this program. If not, see <http://www.gnu.org/licenses/>.
|
||||
//
|
||||
///////////////////////////////////////////////////////////////////////
|
||||
|
||||
//
|
||||
// Use buffer to access SD card. It's time-critical part.
|
||||
// Made module synchroneous with 2 clock domains: clk_sys and SPI_SCK
|
||||
// (Sorgelig)
|
||||
//
|
||||
// for synchronous projects default value for PS2DIV is fine for any frequency of system clock.
|
||||
// clk_ps2 = clk_sys/(PS2DIV*2)
|
||||
//
|
||||
|
||||
module mist_io #(parameter STRLEN=0, parameter PS2DIV=100)
|
||||
(
|
||||
|
||||
// parameter STRLEN and the actual length of conf_str have to match
|
||||
input [(8*STRLEN)-1:0] conf_str,
|
||||
|
||||
// Global clock. It should be around 100MHz (higher is better).
|
||||
input clk_sys,
|
||||
|
||||
// Global SPI clock from ARM. 24MHz
|
||||
input SPI_SCK,
|
||||
|
||||
input CONF_DATA0,
|
||||
input SPI_SS2,
|
||||
output SPI_DO,
|
||||
input SPI_DI,
|
||||
|
||||
output reg [7:0] joystick_0,
|
||||
output reg [7:0] joystick_1,
|
||||
// output reg [31:0] joystick_2,
|
||||
// output reg [31:0] joystick_3,
|
||||
// output reg [31:0] joystick_4,
|
||||
output reg [15:0] joystick_analog_0,
|
||||
output reg [15:0] joystick_analog_1,
|
||||
output [1:0] buttons,
|
||||
output [1:0] switches,
|
||||
output scandoublerD,
|
||||
output ypbpr,
|
||||
|
||||
output reg [31:0] status,
|
||||
|
||||
// SD config
|
||||
input sd_conf,
|
||||
input sd_sdhc,
|
||||
output [1:0] img_mounted, // signaling that new image has been mounted
|
||||
output reg [31:0] img_size, // size of image in bytes
|
||||
|
||||
// SD block level access
|
||||
input [31:0] sd_lba,
|
||||
input [1:0] sd_rd,
|
||||
input [1:0] sd_wr,
|
||||
output reg sd_ack,
|
||||
output reg sd_ack_conf,
|
||||
|
||||
// SD byte level access. Signals for 2-PORT altsyncram.
|
||||
output reg [8:0] sd_buff_addr,
|
||||
output reg [7:0] sd_buff_dout,
|
||||
input [7:0] sd_buff_din,
|
||||
output reg sd_buff_wr,
|
||||
|
||||
// ps2 keyboard emulation
|
||||
output ps2_kbd_clk,
|
||||
output reg ps2_kbd_data,
|
||||
output ps2_mouse_clk,
|
||||
output reg ps2_mouse_data,
|
||||
|
||||
// ps2 alternative interface.
|
||||
|
||||
// [8] - extended, [9] - pressed, [10] - toggles with every press/release
|
||||
output reg [10:0] ps2_key = 0,
|
||||
|
||||
// [24] - toggles with every event
|
||||
output reg [24:0] ps2_mouse = 0,
|
||||
|
||||
// ARM -> FPGA download
|
||||
input ioctl_ce,
|
||||
output reg ioctl_download = 0, // signal indicating an active download
|
||||
output reg [7:0] ioctl_index, // menu index used to upload the file
|
||||
output reg ioctl_wr = 0,
|
||||
output reg [24:0] ioctl_addr,
|
||||
output reg [7:0] ioctl_dout
|
||||
);
|
||||
|
||||
reg [7:0] but_sw;
|
||||
reg [2:0] stick_idx;
|
||||
|
||||
reg [1:0] mount_strobe = 0;
|
||||
assign img_mounted = mount_strobe;
|
||||
|
||||
assign buttons = but_sw[1:0];
|
||||
assign switches = but_sw[3:2];
|
||||
assign scandoublerD = but_sw[4];
|
||||
assign ypbpr = but_sw[5];
|
||||
|
||||
// this variant of user_io is for 8 bit cores (type == a4) only
|
||||
wire [7:0] core_type = 8'ha4;
|
||||
|
||||
// command byte read by the io controller
|
||||
wire drive_sel = sd_rd[1] | sd_wr[1];
|
||||
wire [7:0] sd_cmd = { 4'h6, sd_conf, sd_sdhc, sd_wr[drive_sel], sd_rd[drive_sel] };
|
||||
|
||||
reg [7:0] cmd;
|
||||
reg [2:0] bit_cnt; // counts bits 0-7 0-7 ...
|
||||
reg [9:0] byte_cnt; // counts bytes
|
||||
|
||||
reg spi_do;
|
||||
assign SPI_DO = CONF_DATA0 ? 1'bZ : spi_do;
|
||||
|
||||
reg [7:0] spi_data_out;
|
||||
|
||||
// SPI transmitter
|
||||
always@(negedge SPI_SCK) spi_do <= spi_data_out[~bit_cnt];
|
||||
|
||||
reg [7:0] spi_data_in;
|
||||
reg spi_data_ready = 0;
|
||||
|
||||
// SPI receiver
|
||||
always@(posedge SPI_SCK or posedge CONF_DATA0) begin
|
||||
reg [6:0] sbuf;
|
||||
reg [31:0] sd_lba_r;
|
||||
reg drive_sel_r;
|
||||
|
||||
if(CONF_DATA0) begin
|
||||
bit_cnt <= 0;
|
||||
byte_cnt <= 0;
|
||||
spi_data_out <= core_type;
|
||||
end
|
||||
else
|
||||
begin
|
||||
bit_cnt <= bit_cnt + 1'd1;
|
||||
sbuf <= {sbuf[5:0], SPI_DI};
|
||||
|
||||
// finished reading command byte
|
||||
if(bit_cnt == 7) begin
|
||||
if(!byte_cnt) cmd <= {sbuf, SPI_DI};
|
||||
|
||||
spi_data_in <= {sbuf, SPI_DI};
|
||||
spi_data_ready <= ~spi_data_ready;
|
||||
if(~&byte_cnt) byte_cnt <= byte_cnt + 8'd1;
|
||||
|
||||
spi_data_out <= 0;
|
||||
case({(!byte_cnt) ? {sbuf, SPI_DI} : cmd})
|
||||
// reading config string
|
||||
8'h14: if(byte_cnt < STRLEN) spi_data_out <= conf_str[(STRLEN - byte_cnt - 1)<<3 +:8];
|
||||
|
||||
// reading sd card status
|
||||
8'h16: if(byte_cnt == 0) begin
|
||||
spi_data_out <= sd_cmd;
|
||||
sd_lba_r <= sd_lba;
|
||||
drive_sel_r <= drive_sel;
|
||||
end else if (byte_cnt == 1) begin
|
||||
spi_data_out <= drive_sel_r;
|
||||
end else if(byte_cnt < 6) spi_data_out <= sd_lba_r[(5-byte_cnt)<<3 +:8];
|
||||
|
||||
// reading sd card write data
|
||||
8'h18: spi_data_out <= sd_buff_din;
|
||||
endcase
|
||||
end
|
||||
end
|
||||
end
|
||||
|
||||
reg [31:0] ps2_key_raw = 0;
|
||||
wire pressed = (ps2_key_raw[15:8] != 8'hf0);
|
||||
wire extended = (~pressed ? (ps2_key_raw[23:16] == 8'he0) : (ps2_key_raw[15:8] == 8'he0));
|
||||
|
||||
// transfer to clk_sys domain
|
||||
always@(posedge clk_sys) begin
|
||||
reg old_ss1, old_ss2;
|
||||
reg old_ready1, old_ready2;
|
||||
reg [2:0] b_wr;
|
||||
reg got_ps2 = 0;
|
||||
|
||||
old_ss1 <= CONF_DATA0;
|
||||
old_ss2 <= old_ss1;
|
||||
old_ready1 <= spi_data_ready;
|
||||
old_ready2 <= old_ready1;
|
||||
|
||||
sd_buff_wr <= b_wr[0];
|
||||
if(b_wr[2] && (~&sd_buff_addr)) sd_buff_addr <= sd_buff_addr + 1'b1;
|
||||
b_wr <= (b_wr<<1);
|
||||
|
||||
if(old_ss2) begin
|
||||
got_ps2 <= 0;
|
||||
sd_ack <= 0;
|
||||
sd_ack_conf <= 0;
|
||||
sd_buff_addr <= 0;
|
||||
if(got_ps2) begin
|
||||
if(cmd == 4) ps2_mouse[24] <= ~ps2_mouse[24];
|
||||
if(cmd == 5) begin
|
||||
ps2_key <= {~ps2_key[10], pressed, extended, ps2_key_raw[7:0]};
|
||||
if(ps2_key_raw == 'hE012E07C) ps2_key[9:0] <= 'h37C; // prnscr pressed
|
||||
if(ps2_key_raw == 'h7CE0F012) ps2_key[9:0] <= 'h17C; // prnscr released
|
||||
if(ps2_key_raw == 'hF014F077) ps2_key[9:0] <= 'h377; // pause pressed
|
||||
end
|
||||
end
|
||||
end
|
||||
else
|
||||
if(old_ready2 ^ old_ready1) begin
|
||||
|
||||
if(cmd == 8'h18 && ~&sd_buff_addr) sd_buff_addr <= sd_buff_addr + 1'b1;
|
||||
|
||||
if(byte_cnt < 2) begin
|
||||
|
||||
if (cmd == 8'h19) sd_ack_conf <= 1;
|
||||
if((cmd == 8'h17) || (cmd == 8'h18)) sd_ack <= 1;
|
||||
mount_strobe <= 0;
|
||||
|
||||
if(cmd == 5) ps2_key_raw <= 0;
|
||||
end else begin
|
||||
|
||||
case(cmd)
|
||||
// buttons and switches
|
||||
8'h01: but_sw <= spi_data_in;
|
||||
8'h02: joystick_0 <= spi_data_in;
|
||||
8'h03: joystick_1 <= spi_data_in;
|
||||
// 8'h60: if (byte_cnt < 5) joystick_0[(byte_cnt-1)<<3 +:8] <= spi_data_in;
|
||||
// 8'h61: if (byte_cnt < 5) joystick_1[(byte_cnt-1)<<3 +:8] <= spi_data_in;
|
||||
// 8'h62: if (byte_cnt < 5) joystick_2[(byte_cnt-1)<<3 +:8] <= spi_data_in;
|
||||
// 8'h63: if (byte_cnt < 5) joystick_3[(byte_cnt-1)<<3 +:8] <= spi_data_in;
|
||||
// 8'h64: if (byte_cnt < 5) joystick_4[(byte_cnt-1)<<3 +:8] <= spi_data_in;
|
||||
// store incoming ps2 mouse bytes
|
||||
8'h04: begin
|
||||
got_ps2 <= 1;
|
||||
case(byte_cnt)
|
||||
2: ps2_mouse[7:0] <= spi_data_in;
|
||||
3: ps2_mouse[15:8] <= spi_data_in;
|
||||
4: ps2_mouse[23:16] <= spi_data_in;
|
||||
endcase
|
||||
ps2_mouse_fifo[ps2_mouse_wptr] <= spi_data_in;
|
||||
ps2_mouse_wptr <= ps2_mouse_wptr + 1'd1;
|
||||
end
|
||||
|
||||
// store incoming ps2 keyboard bytes
|
||||
8'h05: begin
|
||||
got_ps2 <= 1;
|
||||
ps2_key_raw[31:0] <= {ps2_key_raw[23:0], spi_data_in};
|
||||
ps2_kbd_fifo[ps2_kbd_wptr] <= spi_data_in;
|
||||
ps2_kbd_wptr <= ps2_kbd_wptr + 1'd1;
|
||||
end
|
||||
|
||||
8'h15: status[7:0] <= spi_data_in;
|
||||
|
||||
// send SD config IO -> FPGA
|
||||
// flag that download begins
|
||||
// sd card knows data is config if sd_dout_strobe is asserted
|
||||
// with sd_ack still being inactive (low)
|
||||
8'h19,
|
||||
// send sector IO -> FPGA
|
||||
// flag that download begins
|
||||
8'h17: begin
|
||||
sd_buff_dout <= spi_data_in;
|
||||
b_wr <= 1;
|
||||
end
|
||||
|
||||
// joystick analog
|
||||
8'h1a: begin
|
||||
// first byte is joystick index
|
||||
if(byte_cnt == 2) stick_idx <= spi_data_in[2:0];
|
||||
else if(byte_cnt == 3) begin
|
||||
// second byte is x axis
|
||||
if(stick_idx == 0) joystick_analog_0[15:8] <= spi_data_in;
|
||||
else if(stick_idx == 1) joystick_analog_1[15:8] <= spi_data_in;
|
||||
end else if(byte_cnt == 4) begin
|
||||
// third byte is y axis
|
||||
if(stick_idx == 0) joystick_analog_0[7:0] <= spi_data_in;
|
||||
else if(stick_idx == 1) joystick_analog_1[7:0] <= spi_data_in;
|
||||
end
|
||||
end
|
||||
|
||||
// notify image selection
|
||||
8'h1c: mount_strobe[spi_data_in[0]] <= 1;
|
||||
|
||||
// send image info
|
||||
8'h1d: if(byte_cnt<6) img_size[(byte_cnt-2)<<3 +:8] <= spi_data_in;
|
||||
|
||||
// status, 32bit version
|
||||
8'h1e: if(byte_cnt<6) status[(byte_cnt-2)<<3 +:8] <= spi_data_in;
|
||||
default: ;
|
||||
endcase
|
||||
end
|
||||
end
|
||||
end
|
||||
|
||||
|
||||
/////////////////////////////// PS2 ///////////////////////////////
|
||||
// 8 byte fifos to store ps2 bytes
|
||||
localparam PS2_FIFO_BITS = 3;
|
||||
|
||||
reg clk_ps2;
|
||||
always @(negedge clk_sys) begin
|
||||
integer cnt;
|
||||
cnt <= cnt + 1'd1;
|
||||
if(cnt == PS2DIV) begin
|
||||
clk_ps2 <= ~clk_ps2;
|
||||
cnt <= 0;
|
||||
end
|
||||
end
|
||||
|
||||
// keyboard
|
||||
reg [7:0] ps2_kbd_fifo[1<<PS2_FIFO_BITS];
|
||||
reg [PS2_FIFO_BITS-1:0] ps2_kbd_wptr;
|
||||
reg [PS2_FIFO_BITS-1:0] ps2_kbd_rptr;
|
||||
|
||||
// ps2 transmitter state machine
|
||||
reg [3:0] ps2_kbd_tx_state;
|
||||
reg [7:0] ps2_kbd_tx_byte;
|
||||
reg ps2_kbd_parity;
|
||||
|
||||
assign ps2_kbd_clk = clk_ps2 || (ps2_kbd_tx_state == 0);
|
||||
|
||||
// ps2 transmitter
|
||||
// Takes a byte from the FIFO and sends it in a ps2 compliant serial format.
|
||||
reg ps2_kbd_r_inc;
|
||||
always@(posedge clk_sys) begin
|
||||
reg old_clk;
|
||||
old_clk <= clk_ps2;
|
||||
if(~old_clk & clk_ps2) begin
|
||||
ps2_kbd_r_inc <= 0;
|
||||
|
||||
if(ps2_kbd_r_inc) ps2_kbd_rptr <= ps2_kbd_rptr + 1'd1;
|
||||
|
||||
// transmitter is idle?
|
||||
if(ps2_kbd_tx_state == 0) begin
|
||||
// data in fifo present?
|
||||
if(ps2_kbd_wptr != ps2_kbd_rptr) begin
|
||||
// load tx register from fifo
|
||||
ps2_kbd_tx_byte <= ps2_kbd_fifo[ps2_kbd_rptr];
|
||||
ps2_kbd_r_inc <= 1;
|
||||
|
||||
// reset parity
|
||||
ps2_kbd_parity <= 1;
|
||||
|
||||
// start transmitter
|
||||
ps2_kbd_tx_state <= 1;
|
||||
|
||||
// put start bit on data line
|
||||
ps2_kbd_data <= 0; // start bit is 0
|
||||
end
|
||||
end else begin
|
||||
|
||||
// transmission of 8 data bits
|
||||
if((ps2_kbd_tx_state >= 1)&&(ps2_kbd_tx_state < 9)) begin
|
||||
ps2_kbd_data <= ps2_kbd_tx_byte[0]; // data bits
|
||||
ps2_kbd_tx_byte[6:0] <= ps2_kbd_tx_byte[7:1]; // shift down
|
||||
if(ps2_kbd_tx_byte[0])
|
||||
ps2_kbd_parity <= !ps2_kbd_parity;
|
||||
end
|
||||
|
||||
// transmission of parity
|
||||
if(ps2_kbd_tx_state == 9) ps2_kbd_data <= ps2_kbd_parity;
|
||||
|
||||
// transmission of stop bit
|
||||
if(ps2_kbd_tx_state == 10) ps2_kbd_data <= 1; // stop bit is 1
|
||||
|
||||
// advance state machine
|
||||
if(ps2_kbd_tx_state < 11) ps2_kbd_tx_state <= ps2_kbd_tx_state + 1'd1;
|
||||
else ps2_kbd_tx_state <= 0;
|
||||
end
|
||||
end
|
||||
end
|
||||
|
||||
// mouse
|
||||
reg [7:0] ps2_mouse_fifo[1<<PS2_FIFO_BITS];
|
||||
reg [PS2_FIFO_BITS-1:0] ps2_mouse_wptr;
|
||||
reg [PS2_FIFO_BITS-1:0] ps2_mouse_rptr;
|
||||
|
||||
// ps2 transmitter state machine
|
||||
reg [3:0] ps2_mouse_tx_state;
|
||||
reg [7:0] ps2_mouse_tx_byte;
|
||||
reg ps2_mouse_parity;
|
||||
|
||||
assign ps2_mouse_clk = clk_ps2 || (ps2_mouse_tx_state == 0);
|
||||
|
||||
// ps2 transmitter
|
||||
// Takes a byte from the FIFO and sends it in a ps2 compliant serial format.
|
||||
reg ps2_mouse_r_inc;
|
||||
always@(posedge clk_sys) begin
|
||||
reg old_clk;
|
||||
old_clk <= clk_ps2;
|
||||
if(~old_clk & clk_ps2) begin
|
||||
ps2_mouse_r_inc <= 0;
|
||||
|
||||
if(ps2_mouse_r_inc) ps2_mouse_rptr <= ps2_mouse_rptr + 1'd1;
|
||||
|
||||
// transmitter is idle?
|
||||
if(ps2_mouse_tx_state == 0) begin
|
||||
// data in fifo present?
|
||||
if(ps2_mouse_wptr != ps2_mouse_rptr) begin
|
||||
// load tx register from fifo
|
||||
ps2_mouse_tx_byte <= ps2_mouse_fifo[ps2_mouse_rptr];
|
||||
ps2_mouse_r_inc <= 1;
|
||||
|
||||
// reset parity
|
||||
ps2_mouse_parity <= 1;
|
||||
|
||||
// start transmitter
|
||||
ps2_mouse_tx_state <= 1;
|
||||
|
||||
// put start bit on data line
|
||||
ps2_mouse_data <= 0; // start bit is 0
|
||||
end
|
||||
end else begin
|
||||
|
||||
// transmission of 8 data bits
|
||||
if((ps2_mouse_tx_state >= 1)&&(ps2_mouse_tx_state < 9)) begin
|
||||
ps2_mouse_data <= ps2_mouse_tx_byte[0]; // data bits
|
||||
ps2_mouse_tx_byte[6:0] <= ps2_mouse_tx_byte[7:1]; // shift down
|
||||
if(ps2_mouse_tx_byte[0])
|
||||
ps2_mouse_parity <= !ps2_mouse_parity;
|
||||
end
|
||||
|
||||
// transmission of parity
|
||||
if(ps2_mouse_tx_state == 9) ps2_mouse_data <= ps2_mouse_parity;
|
||||
|
||||
// transmission of stop bit
|
||||
if(ps2_mouse_tx_state == 10) ps2_mouse_data <= 1; // stop bit is 1
|
||||
|
||||
// advance state machine
|
||||
if(ps2_mouse_tx_state < 11) ps2_mouse_tx_state <= ps2_mouse_tx_state + 1'd1;
|
||||
else ps2_mouse_tx_state <= 0;
|
||||
end
|
||||
end
|
||||
end
|
||||
|
||||
|
||||
/////////////////////////////// DOWNLOADING ///////////////////////////////
|
||||
|
||||
reg [7:0] data_w;
|
||||
reg [24:0] addr_w;
|
||||
reg rclk = 0;
|
||||
|
||||
localparam UIO_FILE_TX = 8'h53;
|
||||
localparam UIO_FILE_TX_DAT = 8'h54;
|
||||
localparam UIO_FILE_INDEX = 8'h55;
|
||||
|
||||
reg rdownload = 0;
|
||||
|
||||
// data_io has its own SPI interface to the io controller
|
||||
always@(posedge SPI_SCK, posedge SPI_SS2) begin
|
||||
reg [6:0] sbuf;
|
||||
reg [7:0] cmd;
|
||||
reg [4:0] cnt;
|
||||
reg [24:0] addr;
|
||||
|
||||
if(SPI_SS2) cnt <= 0;
|
||||
else begin
|
||||
// don't shift in last bit. It is evaluated directly
|
||||
// when writing to ram
|
||||
if(cnt != 15) sbuf <= { sbuf[5:0], SPI_DI};
|
||||
|
||||
// count 0-7 8-15 8-15 ...
|
||||
if(cnt < 15) cnt <= cnt + 1'd1;
|
||||
else cnt <= 8;
|
||||
|
||||
// finished command byte
|
||||
if(cnt == 7) cmd <= {sbuf, SPI_DI};
|
||||
|
||||
// prepare/end transmission
|
||||
if((cmd == UIO_FILE_TX) && (cnt == 15)) begin
|
||||
// prepare
|
||||
if(SPI_DI) begin
|
||||
case(ioctl_index[4:0])
|
||||
1: addr <= 25'h200000; // TRD buffer at 2MB
|
||||
2: addr <= 25'h400000; // tape buffer at 4MB
|
||||
default: addr <= 25'h150000; // boot rom
|
||||
endcase
|
||||
rdownload <= 1;
|
||||
end else begin
|
||||
addr_w <= addr;
|
||||
rdownload <= 0;
|
||||
end
|
||||
end
|
||||
|
||||
// command 0x54: UIO_FILE_TX
|
||||
if((cmd == UIO_FILE_TX_DAT) && (cnt == 15)) begin
|
||||
addr_w <= addr;
|
||||
data_w <= {sbuf, SPI_DI};
|
||||
addr <= addr + 1'd1;
|
||||
rclk <= ~rclk;
|
||||
end
|
||||
|
||||
// expose file (menu) index
|
||||
if((cmd == UIO_FILE_INDEX) && (cnt == 15)) ioctl_index <= {sbuf, SPI_DI};
|
||||
end
|
||||
end
|
||||
|
||||
// transfer to ioctl_clk domain.
|
||||
// ioctl_index is set before ioctl_download, so it's stable already
|
||||
always@(posedge clk_sys) begin
|
||||
reg rclkD, rclkD2;
|
||||
|
||||
if(ioctl_ce) begin
|
||||
ioctl_download <= rdownload;
|
||||
|
||||
rclkD <= rclk;
|
||||
rclkD2 <= rclkD;
|
||||
ioctl_wr <= 0;
|
||||
|
||||
if(rclkD != rclkD2) begin
|
||||
ioctl_dout <= data_w;
|
||||
ioctl_addr <= addr_w;
|
||||
ioctl_wr <= 1;
|
||||
end
|
||||
end
|
||||
end
|
||||
|
||||
endmodule
|
||||
@@ -1,194 +0,0 @@
|
||||
// A simple OSD implementation. Can be hooked up between a cores
|
||||
// VGA output and the physical VGA pins
|
||||
|
||||
module osd (
|
||||
// OSDs pixel clock, should be synchronous to cores pixel clock to
|
||||
// avoid jitter.
|
||||
input clk_sys,
|
||||
|
||||
// SPI interface
|
||||
input SPI_SCK,
|
||||
input SPI_SS3,
|
||||
input SPI_DI,
|
||||
|
||||
input [1:0] rotate, //[0] - rotate [1] - left or right
|
||||
|
||||
// VGA signals coming from core
|
||||
input [5:0] R_in,
|
||||
input [5:0] G_in,
|
||||
input [5:0] B_in,
|
||||
input HSync,
|
||||
input VSync,
|
||||
|
||||
// VGA signals going to video connector
|
||||
output [5:0] R_out,
|
||||
output [5:0] G_out,
|
||||
output [5:0] B_out
|
||||
);
|
||||
|
||||
parameter OSD_X_OFFSET = 10'd0;
|
||||
parameter OSD_Y_OFFSET = 10'd0;
|
||||
parameter OSD_COLOR = 3'd0;
|
||||
|
||||
localparam OSD_WIDTH = 10'd256;
|
||||
localparam OSD_HEIGHT = 10'd128;
|
||||
|
||||
// *********************************************************************************
|
||||
// spi client
|
||||
// *********************************************************************************
|
||||
|
||||
// this core supports only the display related OSD commands
|
||||
// of the minimig
|
||||
reg osd_enable;
|
||||
(* ramstyle = "no_rw_check" *) reg [7:0] osd_buffer[2047:0]; // the OSD buffer itself
|
||||
|
||||
// the OSD has its own SPI interface to the io controller
|
||||
always@(posedge SPI_SCK, posedge SPI_SS3) begin
|
||||
reg [4:0] cnt;
|
||||
reg [10:0] bcnt;
|
||||
reg [7:0] sbuf;
|
||||
reg [7:0] cmd;
|
||||
|
||||
if(SPI_SS3) begin
|
||||
cnt <= 0;
|
||||
bcnt <= 0;
|
||||
end else begin
|
||||
sbuf <= {sbuf[6:0], SPI_DI};
|
||||
|
||||
// 0:7 is command, rest payload
|
||||
if(cnt < 15) cnt <= cnt + 1'd1;
|
||||
else cnt <= 8;
|
||||
|
||||
if(cnt == 7) begin
|
||||
cmd <= {sbuf[6:0], SPI_DI};
|
||||
|
||||
// lower three command bits are line address
|
||||
bcnt <= {sbuf[1:0], SPI_DI, 8'h00};
|
||||
|
||||
// command 0x40: OSDCMDENABLE, OSDCMDDISABLE
|
||||
if(sbuf[6:3] == 4'b0100) osd_enable <= SPI_DI;
|
||||
end
|
||||
|
||||
// command 0x20: OSDCMDWRITE
|
||||
if((cmd[7:3] == 5'b00100) && (cnt == 15)) begin
|
||||
osd_buffer[bcnt] <= {sbuf[6:0], SPI_DI};
|
||||
bcnt <= bcnt + 1'd1;
|
||||
end
|
||||
end
|
||||
end
|
||||
|
||||
// *********************************************************************************
|
||||
// video timing and sync polarity anaylsis
|
||||
// *********************************************************************************
|
||||
|
||||
// horizontal counter
|
||||
reg [9:0] h_cnt;
|
||||
reg [9:0] hs_low, hs_high;
|
||||
wire hs_pol = hs_high < hs_low;
|
||||
wire [9:0] dsp_width = hs_pol ? hs_low : hs_high;
|
||||
|
||||
// vertical counter
|
||||
reg [9:0] v_cnt;
|
||||
reg [9:0] vs_low, vs_high;
|
||||
wire vs_pol = vs_high < vs_low;
|
||||
wire [9:0] dsp_height = vs_pol ? vs_low : vs_high;
|
||||
|
||||
wire doublescan = (dsp_height>350);
|
||||
|
||||
reg ce_pix;
|
||||
always @(negedge clk_sys) begin
|
||||
integer cnt = 0;
|
||||
integer pixsz, pixcnt;
|
||||
reg hs;
|
||||
|
||||
cnt <= cnt + 1;
|
||||
hs <= HSync;
|
||||
|
||||
pixcnt <= pixcnt + 1;
|
||||
if(pixcnt == pixsz) pixcnt <= 0;
|
||||
ce_pix <= !pixcnt;
|
||||
|
||||
if(hs && ~HSync) begin
|
||||
cnt <= 0;
|
||||
pixsz <= (cnt >> 9) - 1;
|
||||
pixcnt <= 0;
|
||||
ce_pix <= 1;
|
||||
end
|
||||
end
|
||||
|
||||
always @(posedge clk_sys) begin
|
||||
reg hsD, hsD2;
|
||||
reg vsD, vsD2;
|
||||
|
||||
if(ce_pix) begin
|
||||
// bring hsync into local clock domain
|
||||
hsD <= HSync;
|
||||
hsD2 <= hsD;
|
||||
|
||||
// falling edge of HSync
|
||||
if(!hsD && hsD2) begin
|
||||
h_cnt <= 0;
|
||||
hs_high <= h_cnt;
|
||||
end
|
||||
|
||||
// rising edge of HSync
|
||||
else if(hsD && !hsD2) begin
|
||||
h_cnt <= 0;
|
||||
hs_low <= h_cnt;
|
||||
v_cnt <= v_cnt + 1'd1;
|
||||
end else begin
|
||||
h_cnt <= h_cnt + 1'd1;
|
||||
end
|
||||
|
||||
vsD <= VSync;
|
||||
vsD2 <= vsD;
|
||||
|
||||
// falling edge of VSync
|
||||
if(!vsD && vsD2) begin
|
||||
v_cnt <= 0;
|
||||
vs_high <= v_cnt;
|
||||
end
|
||||
|
||||
// rising edge of VSync
|
||||
else if(vsD && !vsD2) begin
|
||||
v_cnt <= 0;
|
||||
vs_low <= v_cnt;
|
||||
end
|
||||
end
|
||||
end
|
||||
|
||||
// area in which OSD is being displayed
|
||||
wire [9:0] h_osd_start = ((dsp_width - OSD_WIDTH)>> 1) + OSD_X_OFFSET;
|
||||
wire [9:0] h_osd_end = h_osd_start + OSD_WIDTH;
|
||||
wire [9:0] v_osd_start = ((dsp_height- (OSD_HEIGHT<<doublescan))>> 1) + OSD_Y_OFFSET;
|
||||
wire [9:0] v_osd_end = v_osd_start + (OSD_HEIGHT<<doublescan);
|
||||
wire [9:0] osd_hcnt = h_cnt - h_osd_start;
|
||||
wire [9:0] osd_vcnt = v_cnt - v_osd_start;
|
||||
wire [9:0] osd_hcnt_next = osd_hcnt + 2'd1; // one pixel offset for osd pixel
|
||||
wire [9:0] osd_hcnt_next2 = osd_hcnt + 2'd2; // two pixel offset for osd byte address register
|
||||
|
||||
wire osd_de = osd_enable &&
|
||||
(HSync != hs_pol) && (h_cnt >= h_osd_start) && (h_cnt < h_osd_end) &&
|
||||
(VSync != vs_pol) && (v_cnt >= v_osd_start) && (v_cnt < v_osd_end);
|
||||
|
||||
reg [10:0] osd_buffer_addr;
|
||||
wire [7:0] osd_byte = osd_buffer[osd_buffer_addr];
|
||||
reg osd_pixel;
|
||||
|
||||
always @(posedge clk_sys) begin
|
||||
if(ce_pix) begin
|
||||
osd_buffer_addr <= rotate[0] ? {rotate[1] ? osd_hcnt_next2[7:5] : ~osd_hcnt_next2[7:5],
|
||||
rotate[1] ? (doublescan ? ~osd_vcnt[7:0] : ~{osd_vcnt[6:0], 1'b0}) :
|
||||
(doublescan ? osd_vcnt[7:0] : {osd_vcnt[6:0], 1'b0})} :
|
||||
{doublescan ? osd_vcnt[7:5] : osd_vcnt[6:4], osd_hcnt_next2[7:0]};
|
||||
|
||||
osd_pixel <= rotate[0] ? osd_byte[rotate[1] ? osd_hcnt_next[4:2] : ~osd_hcnt_next[4:2]] :
|
||||
osd_byte[doublescan ? osd_vcnt[4:2] : osd_vcnt[3:1]];
|
||||
end
|
||||
end
|
||||
|
||||
assign R_out = !osd_de ? R_in : {osd_pixel, osd_pixel, OSD_COLOR[2], R_in[5:3]};
|
||||
assign G_out = !osd_de ? G_in : {osd_pixel, osd_pixel, OSD_COLOR[1], G_in[5:3]};
|
||||
assign B_out = !osd_de ? B_in : {osd_pixel, osd_pixel, OSD_COLOR[0], B_in[5:3]};
|
||||
|
||||
endmodule
|
||||
@@ -1,15 +0,0 @@
|
||||
copy /B sq5.3.9e + sq6.4.9f + sq7.5.9j prog.bin
|
||||
copy /B mmi6331.3p + mmi6331.3r bagman_palette.bin
|
||||
copy /B sq2.1.1e + sq1.1c bagman_tile0.bin
|
||||
copy /B sq4.2.1j + sq3.1f bagman_tile1.bin
|
||||
|
||||
make_vhdl_prom prog.bin bagman_program.vhd
|
||||
make_vhdl_prom bagman_tile0.bin bagman_tile_bit0.vhd
|
||||
make_vhdl_prom bagman_tile1.bin bagman_tile_bit1.vhd
|
||||
make_vhdl_prom bagman_palette.bin bagman_palette.vhd
|
||||
|
||||
del prog.bin bagman_palette.bin bagman_tile0.bin bagman_tile1.bin
|
||||
|
||||
|
||||
|
||||
|
||||
Binary file not shown.
Binary file not shown.
Binary file not shown.
Binary file not shown.
Binary file not shown.
Binary file not shown.
Binary file not shown.
Binary file not shown.
Binary file not shown.
Binary file not shown.
@@ -1,7 +1,7 @@
|
||||
library ieee;
|
||||
use ieee.std_logic_1164.all,ieee.numeric_std.all;
|
||||
|
||||
entity bagman_palette is
|
||||
entity squash_palette is
|
||||
port (
|
||||
clk : in std_logic;
|
||||
addr : in std_logic_vector(5 downto 0);
|
||||
@@ -9,7 +9,7 @@ port (
|
||||
);
|
||||
end entity;
|
||||
|
||||
architecture prom of bagman_palette is
|
||||
architecture prom of squash_palette is
|
||||
type rom is array(0 to 63) of std_logic_vector(7 downto 0);
|
||||
signal rom_data: rom := (
|
||||
X"00",X"18",X"2D",X"FF",X"00",X"F0",X"1D",X"AF",X"00",X"3F",X"1D",X"AF",X"00",X"1D",X"3E",X"07",
|
||||
@@ -1,7 +1,7 @@
|
||||
library ieee;
|
||||
use ieee.std_logic_1164.all,ieee.numeric_std.all;
|
||||
|
||||
entity bagman_program is
|
||||
entity squash_program is
|
||||
port (
|
||||
clk : in std_logic;
|
||||
addr : in std_logic_vector(13 downto 0);
|
||||
@@ -9,7 +9,7 @@ port (
|
||||
);
|
||||
end entity;
|
||||
|
||||
architecture prom of bagman_program is
|
||||
architecture prom of squash_program is
|
||||
type rom is array(0 to 12287) of std_logic_vector(7 downto 0);
|
||||
signal rom_data: rom := (
|
||||
X"F3",X"C3",X"91",X"04",X"FF",X"FF",X"FF",X"FF",X"AF",X"32",X"05",X"A0",X"78",X"D3",X"08",X"79",
|
||||
@@ -1,7 +1,7 @@
|
||||
library ieee;
|
||||
use ieee.std_logic_1164.all,ieee.numeric_std.all;
|
||||
|
||||
entity bagman_tile_bit0 is
|
||||
entity squash_tile_bit0 is
|
||||
port (
|
||||
clk : in std_logic;
|
||||
addr : in std_logic_vector(12 downto 0);
|
||||
@@ -9,7 +9,7 @@ port (
|
||||
);
|
||||
end entity;
|
||||
|
||||
architecture prom of bagman_tile_bit0 is
|
||||
architecture prom of squash_tile_bit0 is
|
||||
type rom is array(0 to 8191) of std_logic_vector(7 downto 0);
|
||||
signal rom_data: rom := (
|
||||
X"00",X"7C",X"C6",X"C6",X"C6",X"C6",X"C6",X"7C",X"00",X"18",X"38",X"18",X"18",X"18",X"18",X"7E",
|
||||
@@ -1,7 +1,7 @@
|
||||
library ieee;
|
||||
use ieee.std_logic_1164.all,ieee.numeric_std.all;
|
||||
|
||||
entity bagman_tile_bit1 is
|
||||
entity squash_tile_bit1 is
|
||||
port (
|
||||
clk : in std_logic;
|
||||
addr : in std_logic_vector(12 downto 0);
|
||||
@@ -9,7 +9,7 @@ port (
|
||||
);
|
||||
end entity;
|
||||
|
||||
architecture prom of bagman_tile_bit1 is
|
||||
architecture prom of squash_tile_bit1 is
|
||||
type rom is array(0 to 8191) of std_logic_vector(7 downto 0);
|
||||
signal rom_data: rom := (
|
||||
X"00",X"00",X"00",X"00",X"00",X"00",X"00",X"00",X"00",X"00",X"00",X"00",X"00",X"00",X"00",X"00",
|
||||
@@ -1,195 +0,0 @@
|
||||
//
|
||||
// scandoubler.v
|
||||
//
|
||||
// Copyright (c) 2015 Till Harbaum <till@harbaum.org>
|
||||
// Copyright (c) 2017 Sorgelig
|
||||
//
|
||||
// This source file is free software: you can redistribute it and/or modify
|
||||
// it under the terms of the GNU General Public License as published
|
||||
// by the Free Software Foundation, either version 3 of the License, or
|
||||
// (at your option) any later version.
|
||||
//
|
||||
// This source file is distributed in the hope that it will be useful,
|
||||
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
// GNU General Public License for more details.
|
||||
//
|
||||
// You should have received a copy of the GNU General Public License
|
||||
// along with this program. If not, see <http://www.gnu.org/licenses/>.
|
||||
|
||||
// TODO: Delay vsync one line
|
||||
|
||||
module scandoubler #(parameter LENGTH, parameter HALF_DEPTH)
|
||||
(
|
||||
// system interface
|
||||
input clk_sys,
|
||||
input ce_pix,
|
||||
input ce_pix_actual,
|
||||
|
||||
input hq2x,
|
||||
|
||||
// shifter video interface
|
||||
input hs_in,
|
||||
input vs_in,
|
||||
input line_start,
|
||||
|
||||
input [DWIDTH:0] r_in,
|
||||
input [DWIDTH:0] g_in,
|
||||
input [DWIDTH:0] b_in,
|
||||
input mono,
|
||||
|
||||
// output interface
|
||||
output reg hs_out,
|
||||
output vs_out,
|
||||
output [DWIDTH:0] r_out,
|
||||
output [DWIDTH:0] g_out,
|
||||
output [DWIDTH:0] b_out
|
||||
);
|
||||
|
||||
|
||||
localparam DWIDTH = HALF_DEPTH ? 2 : 5;
|
||||
|
||||
assign vs_out = vs_in;
|
||||
|
||||
reg [2:0] phase;
|
||||
reg [2:0] ce_div;
|
||||
reg [7:0] pix_len = 0;
|
||||
wire [7:0] pl = pix_len + 1'b1;
|
||||
|
||||
reg ce_x1, ce_x4;
|
||||
reg req_line_reset;
|
||||
wire ls_in = hs_in | line_start;
|
||||
always @(negedge clk_sys) begin
|
||||
reg old_ce;
|
||||
reg [2:0] ce_cnt;
|
||||
|
||||
reg [7:0] pixsz2, pixsz4 = 0;
|
||||
|
||||
old_ce <= ce_pix;
|
||||
if(~&pix_len) pix_len <= pix_len + 1'd1;
|
||||
|
||||
ce_x4 <= 0;
|
||||
ce_x1 <= 0;
|
||||
|
||||
// use such odd comparison to place c_x4 evenly if master clock isn't multiple 4.
|
||||
if((pl == pixsz4) || (pl == pixsz2) || (pl == (pixsz2+pixsz4))) begin
|
||||
phase <= phase + 1'd1;
|
||||
ce_x4 <= 1;
|
||||
end
|
||||
|
||||
if(~old_ce & ce_pix) begin
|
||||
pixsz2 <= {1'b0, pl[7:1]};
|
||||
pixsz4 <= {2'b00, pl[7:2]};
|
||||
ce_x1 <= 1;
|
||||
ce_x4 <= 1;
|
||||
pix_len <= 0;
|
||||
phase <= phase + 1'd1;
|
||||
|
||||
ce_cnt <= ce_cnt + 1'd1;
|
||||
if(ce_pix_actual) begin
|
||||
phase <= 0;
|
||||
ce_div <= ce_cnt + 1'd1;
|
||||
ce_cnt <= 0;
|
||||
req_line_reset <= 0;
|
||||
end
|
||||
|
||||
if(ls_in) req_line_reset <= 1;
|
||||
end
|
||||
end
|
||||
|
||||
reg ce_sd;
|
||||
always @(*) begin
|
||||
case(ce_div)
|
||||
2: ce_sd = !phase[0];
|
||||
4: ce_sd = !phase[1:0];
|
||||
default: ce_sd <= 1;
|
||||
endcase
|
||||
end
|
||||
|
||||
`define BITS_TO_FIT(N) ( \
|
||||
N <= 2 ? 0 : \
|
||||
N <= 4 ? 1 : \
|
||||
N <= 8 ? 2 : \
|
||||
N <= 16 ? 3 : \
|
||||
N <= 32 ? 4 : \
|
||||
N <= 64 ? 5 : \
|
||||
N <= 128 ? 6 : \
|
||||
N <= 256 ? 7 : \
|
||||
N <= 512 ? 8 : \
|
||||
N <=1024 ? 9 : 10 )
|
||||
|
||||
localparam AWIDTH = `BITS_TO_FIT(LENGTH);
|
||||
Hq2x #(.LENGTH(LENGTH), .HALF_DEPTH(HALF_DEPTH)) Hq2x
|
||||
(
|
||||
.clk(clk_sys),
|
||||
.ce_x4(ce_x4 & ce_sd),
|
||||
.inputpixel({b_in,g_in,r_in}),
|
||||
.mono(mono),
|
||||
.disable_hq2x(~hq2x),
|
||||
.reset_frame(vs_in),
|
||||
.reset_line(req_line_reset),
|
||||
.read_y(sd_line),
|
||||
.read_x(sd_h_actual),
|
||||
.outpixel({b_out,g_out,r_out})
|
||||
);
|
||||
|
||||
reg [10:0] sd_h_actual;
|
||||
always @(*) begin
|
||||
case(ce_div)
|
||||
2: sd_h_actual = sd_h[10:1];
|
||||
4: sd_h_actual = sd_h[10:2];
|
||||
default: sd_h_actual = sd_h;
|
||||
endcase
|
||||
end
|
||||
|
||||
reg [10:0] sd_h;
|
||||
reg [1:0] sd_line;
|
||||
always @(posedge clk_sys) begin
|
||||
|
||||
reg [11:0] hs_max,hs_rise,hs_ls;
|
||||
reg [10:0] hcnt;
|
||||
reg [11:0] sd_hcnt;
|
||||
|
||||
reg hs, hs2, vs, ls;
|
||||
|
||||
if(ce_x1) begin
|
||||
hs <= hs_in;
|
||||
ls <= ls_in;
|
||||
|
||||
if(ls && !ls_in) hs_ls <= {hcnt,1'b1};
|
||||
|
||||
// falling edge of hsync indicates start of line
|
||||
if(hs && !hs_in) begin
|
||||
hs_max <= {hcnt,1'b1};
|
||||
hcnt <= 0;
|
||||
if(ls && !ls_in) hs_ls <= {10'd0,1'b1};
|
||||
end else begin
|
||||
hcnt <= hcnt + 1'd1;
|
||||
end
|
||||
|
||||
// save position of rising edge
|
||||
if(!hs && hs_in) hs_rise <= {hcnt,1'b1};
|
||||
|
||||
vs <= vs_in;
|
||||
if(vs && ~vs_in) sd_line <= 0;
|
||||
end
|
||||
|
||||
if(ce_x4) begin
|
||||
hs2 <= hs_in;
|
||||
|
||||
// output counter synchronous to input and at twice the rate
|
||||
sd_hcnt <= sd_hcnt + 1'd1;
|
||||
sd_h <= sd_h + 1'd1;
|
||||
if(hs2 && !hs_in) sd_hcnt <= hs_max;
|
||||
if(sd_hcnt == hs_max) sd_hcnt <= 0;
|
||||
|
||||
// replicate horizontal sync at twice the speed
|
||||
if(sd_hcnt == hs_max) hs_out <= 0;
|
||||
if(sd_hcnt == hs_rise) hs_out <= 1;
|
||||
|
||||
if(sd_hcnt == hs_ls) sd_h <= 0;
|
||||
if(sd_hcnt == hs_ls) sd_line <= sd_line + 1'd1;
|
||||
end
|
||||
end
|
||||
|
||||
endmodule
|
||||
@@ -8,7 +8,7 @@ use ieee.std_logic_1164.all;
|
||||
use ieee.std_logic_unsigned.all;
|
||||
use ieee.numeric_std.all;
|
||||
|
||||
entity Pickin is
|
||||
entity squash is
|
||||
port(
|
||||
clock_12 : in std_logic;
|
||||
reset : in std_logic;
|
||||
@@ -38,9 +38,9 @@ port(
|
||||
down2 : in std_logic;
|
||||
up2 : in std_logic
|
||||
);
|
||||
end Pickin;
|
||||
end squash;
|
||||
|
||||
architecture struct of Pickin is
|
||||
architecture struct of squash is
|
||||
|
||||
-- clocks
|
||||
signal clock_12n : std_logic;
|
||||
@@ -557,7 +557,7 @@ port map (
|
||||
);
|
||||
|
||||
-- sprite palette rom
|
||||
palette : entity work.bagman_palette
|
||||
palette : entity work.squash_palette
|
||||
port map (
|
||||
addr => pixel_color_r,
|
||||
clk => clock_12,
|
||||
@@ -645,7 +645,7 @@ port map (
|
||||
|
||||
|
||||
-- program rom
|
||||
program : entity work.bagman_program
|
||||
program : entity work.squash_program
|
||||
port map (
|
||||
addr => cpu_addr(13 downto 0),
|
||||
clk => clock_12n,
|
||||
@@ -686,7 +686,7 @@ port map(
|
||||
);
|
||||
|
||||
-- sprite and background graphics rom
|
||||
tile_bit0 : entity work.bagman_tile_bit0
|
||||
tile_bit0 : entity work.squash_tile_bit0
|
||||
port map (
|
||||
addr => tile_graph_rom_addr,
|
||||
clk => clock_12n,
|
||||
@@ -694,7 +694,7 @@ port map (
|
||||
);
|
||||
|
||||
-- sprite and background graphics rom
|
||||
tile_bit1 : entity work.bagman_tile_bit1
|
||||
tile_bit1 : entity work.squash_tile_bit1
|
||||
port map (
|
||||
addr => tile_graph_rom_addr,
|
||||
clk => clock_12n,
|
||||
@@ -116,8 +116,8 @@ begin
|
||||
elsif vcnt = 250 then vsync <= '1';--
|
||||
end if;
|
||||
|
||||
if hcnt = (127+8+1) then hblank <= '1'; -- +8 = retard du shift_register + 1 pixel--
|
||||
elsif hcnt = (255+8+1) then hblank <= '0'; -- +8 = retard du shift_register + 1 pixel--
|
||||
if hcnt = (127+8+2) then hblank <= '1'; -- +8 = retard du shift_register + 1 pixel--
|
||||
elsif hcnt = (255+8+2) then hblank <= '0'; -- +8 = retard du shift_register + 1 pixel--
|
||||
end if;
|
||||
|
||||
if vcnt = (495+1+0) then vblank <= '1';
|
||||
|
||||
@@ -1,243 +0,0 @@
|
||||
//
|
||||
//
|
||||
// Copyright (c) 2017 Sorgelig
|
||||
//
|
||||
// This program is GPL Licensed. See COPYING for the full license.
|
||||
//
|
||||
//
|
||||
////////////////////////////////////////////////////////////////////////////////////////////////////////
|
||||
|
||||
`timescale 1ns / 1ps
|
||||
|
||||
//
|
||||
// LINE_LENGTH: Length of display line in pixels
|
||||
// Usually it's length from HSync to HSync.
|
||||
// May be less if line_start is used.
|
||||
//
|
||||
// HALF_DEPTH: If =1 then color dept is 3 bits per component
|
||||
// For half depth 6 bits monochrome is available with
|
||||
// mono signal enabled and color = {G, R}
|
||||
|
||||
module video_mixer
|
||||
#(
|
||||
parameter LINE_LENGTH = 480,
|
||||
parameter HALF_DEPTH = 1,
|
||||
|
||||
parameter OSD_COLOR = 3'd4,
|
||||
parameter OSD_X_OFFSET = 10'd0,
|
||||
parameter OSD_Y_OFFSET = 10'd0
|
||||
)
|
||||
(
|
||||
// master clock
|
||||
// it should be multiple by (ce_pix*4).
|
||||
input clk_sys,
|
||||
|
||||
// Pixel clock or clock_enable (both are accepted).
|
||||
input ce_pix,
|
||||
|
||||
// Some systems have multiple resolutions.
|
||||
// ce_pix_actual should match ce_pix where every second or fourth pulse is enabled,
|
||||
// thus half or qurter resolutions can be used without brake video sync while switching resolutions.
|
||||
// For fixed single resolution (or when video sync stability isn't required) ce_pix_actual = ce_pix.
|
||||
input ce_pix_actual,
|
||||
|
||||
// OSD SPI interface
|
||||
input SPI_SCK,
|
||||
input SPI_SS3,
|
||||
input SPI_DI,
|
||||
|
||||
// scanlines (00-none 01-25% 10-50% 11-75%)
|
||||
input [1:0] scanlines,
|
||||
|
||||
// 0 = HVSync 31KHz, 1 = CSync 15KHz
|
||||
input scandoublerD,
|
||||
|
||||
// High quality 2x scaling
|
||||
input hq2x,
|
||||
|
||||
// YPbPr always uses composite sync
|
||||
input ypbpr,
|
||||
|
||||
// 0 = 16-240 range. 1 = 0-255 range. (only for YPbPr color space)
|
||||
input ypbpr_full,
|
||||
input [1:0] rotate, //[0] - rotate [1] - left or right
|
||||
// color
|
||||
input [DWIDTH:0] R,
|
||||
input [DWIDTH:0] G,
|
||||
input [DWIDTH:0] B,
|
||||
|
||||
// Monochrome mode (for HALF_DEPTH only)
|
||||
input mono,
|
||||
|
||||
// interlace sync. Positive pulses.
|
||||
input HSync,
|
||||
input VSync,
|
||||
|
||||
// Falling of this signal means start of informative part of line.
|
||||
// It can be horizontal blank signal.
|
||||
// This signal can be used to reduce amount of required FPGA RAM for HQ2x scan doubler
|
||||
// If FPGA RAM is not an issue, then simply set it to 0 for whole line processing.
|
||||
// Keep in mind: due to algo first and last pixels of line should be black to avoid side artefacts.
|
||||
// Thus, if blank signal is used to reduce the line, make sure to feed at least one black (or paper) pixel
|
||||
// before first informative pixel.
|
||||
input line_start,
|
||||
|
||||
// MiST video output signals
|
||||
output [5:0] VGA_R,
|
||||
output [5:0] VGA_G,
|
||||
output [5:0] VGA_B,
|
||||
output VGA_VS,
|
||||
output VGA_HS
|
||||
);
|
||||
|
||||
localparam DWIDTH = HALF_DEPTH ? 2 : 5;
|
||||
|
||||
wire [DWIDTH:0] R_sd;
|
||||
wire [DWIDTH:0] G_sd;
|
||||
wire [DWIDTH:0] B_sd;
|
||||
wire hs_sd, vs_sd;
|
||||
|
||||
scandoubler #(.LENGTH(LINE_LENGTH), .HALF_DEPTH(HALF_DEPTH)) scandoubler
|
||||
(
|
||||
.*,
|
||||
.hs_in(HSync),
|
||||
.vs_in(VSync),
|
||||
.r_in(R),
|
||||
.g_in(G),
|
||||
.b_in(B),
|
||||
|
||||
.hs_out(hs_sd),
|
||||
.vs_out(vs_sd),
|
||||
.r_out(R_sd),
|
||||
.g_out(G_sd),
|
||||
.b_out(B_sd)
|
||||
);
|
||||
|
||||
wire [DWIDTH:0] rt = (scandoublerD ? R : R_sd);
|
||||
wire [DWIDTH:0] gt = (scandoublerD ? G : G_sd);
|
||||
wire [DWIDTH:0] bt = (scandoublerD ? B : B_sd);
|
||||
|
||||
generate
|
||||
if(HALF_DEPTH) begin
|
||||
wire [5:0] r = mono ? {gt,rt} : {rt,rt};
|
||||
wire [5:0] g = mono ? {gt,rt} : {gt,gt};
|
||||
wire [5:0] b = mono ? {gt,rt} : {bt,bt};
|
||||
end else begin
|
||||
wire [5:0] r = rt;
|
||||
wire [5:0] g = gt;
|
||||
wire [5:0] b = bt;
|
||||
end
|
||||
endgenerate
|
||||
|
||||
wire hs = (scandoublerD ? HSync : hs_sd);
|
||||
wire vs = (scandoublerD ? VSync : vs_sd);
|
||||
|
||||
reg scanline = 0;
|
||||
always @(posedge clk_sys) begin
|
||||
reg old_hs, old_vs;
|
||||
|
||||
old_hs <= hs;
|
||||
old_vs <= vs;
|
||||
|
||||
if(old_hs && ~hs) scanline <= ~scanline;
|
||||
if(old_vs && ~vs) scanline <= 0;
|
||||
end
|
||||
|
||||
wire [5:0] r_out, g_out, b_out;
|
||||
always @(*) begin
|
||||
case(scanlines & {scanline, scanline})
|
||||
1: begin // reduce 25% = 1/2 + 1/4
|
||||
r_out = {1'b0, r[5:1]} + {2'b00, r[5:2]};
|
||||
g_out = {1'b0, g[5:1]} + {2'b00, g[5:2]};
|
||||
b_out = {1'b0, b[5:1]} + {2'b00, b[5:2]};
|
||||
end
|
||||
|
||||
2: begin // reduce 50% = 1/2
|
||||
r_out = {1'b0, r[5:1]};
|
||||
g_out = {1'b0, g[5:1]};
|
||||
b_out = {1'b0, b[5:1]};
|
||||
end
|
||||
|
||||
3: begin // reduce 75% = 1/4
|
||||
r_out = {2'b00, r[5:2]};
|
||||
g_out = {2'b00, g[5:2]};
|
||||
b_out = {2'b00, b[5:2]};
|
||||
end
|
||||
|
||||
default: begin
|
||||
r_out = r;
|
||||
g_out = g;
|
||||
b_out = b;
|
||||
end
|
||||
endcase
|
||||
end
|
||||
|
||||
wire [5:0] red, green, blue;
|
||||
osd #(OSD_X_OFFSET, OSD_Y_OFFSET, OSD_COLOR) osd
|
||||
(
|
||||
.*,
|
||||
|
||||
.R_in(r_out),
|
||||
.G_in(g_out),
|
||||
.B_in(b_out),
|
||||
.HSync(hs),
|
||||
.VSync(vs),
|
||||
.rotate(rotate),
|
||||
|
||||
.R_out(red),
|
||||
.G_out(green),
|
||||
.B_out(blue)
|
||||
);
|
||||
|
||||
wire [5:0] yuv_full[225] = '{
|
||||
6'd0, 6'd0, 6'd0, 6'd0, 6'd1, 6'd1, 6'd1, 6'd1,
|
||||
6'd2, 6'd2, 6'd2, 6'd3, 6'd3, 6'd3, 6'd3, 6'd4,
|
||||
6'd4, 6'd4, 6'd5, 6'd5, 6'd5, 6'd5, 6'd6, 6'd6,
|
||||
6'd6, 6'd7, 6'd7, 6'd7, 6'd7, 6'd8, 6'd8, 6'd8,
|
||||
6'd9, 6'd9, 6'd9, 6'd9, 6'd10, 6'd10, 6'd10, 6'd11,
|
||||
6'd11, 6'd11, 6'd11, 6'd12, 6'd12, 6'd12, 6'd13, 6'd13,
|
||||
6'd13, 6'd13, 6'd14, 6'd14, 6'd14, 6'd15, 6'd15, 6'd15,
|
||||
6'd15, 6'd16, 6'd16, 6'd16, 6'd17, 6'd17, 6'd17, 6'd17,
|
||||
6'd18, 6'd18, 6'd18, 6'd19, 6'd19, 6'd19, 6'd19, 6'd20,
|
||||
6'd20, 6'd20, 6'd21, 6'd21, 6'd21, 6'd21, 6'd22, 6'd22,
|
||||
6'd22, 6'd23, 6'd23, 6'd23, 6'd23, 6'd24, 6'd24, 6'd24,
|
||||
6'd25, 6'd25, 6'd25, 6'd25, 6'd26, 6'd26, 6'd26, 6'd27,
|
||||
6'd27, 6'd27, 6'd27, 6'd28, 6'd28, 6'd28, 6'd29, 6'd29,
|
||||
6'd29, 6'd29, 6'd30, 6'd30, 6'd30, 6'd31, 6'd31, 6'd31,
|
||||
6'd31, 6'd32, 6'd32, 6'd32, 6'd33, 6'd33, 6'd33, 6'd33,
|
||||
6'd34, 6'd34, 6'd34, 6'd35, 6'd35, 6'd35, 6'd35, 6'd36,
|
||||
6'd36, 6'd36, 6'd36, 6'd37, 6'd37, 6'd37, 6'd38, 6'd38,
|
||||
6'd38, 6'd38, 6'd39, 6'd39, 6'd39, 6'd40, 6'd40, 6'd40,
|
||||
6'd40, 6'd41, 6'd41, 6'd41, 6'd42, 6'd42, 6'd42, 6'd42,
|
||||
6'd43, 6'd43, 6'd43, 6'd44, 6'd44, 6'd44, 6'd44, 6'd45,
|
||||
6'd45, 6'd45, 6'd46, 6'd46, 6'd46, 6'd46, 6'd47, 6'd47,
|
||||
6'd47, 6'd48, 6'd48, 6'd48, 6'd48, 6'd49, 6'd49, 6'd49,
|
||||
6'd50, 6'd50, 6'd50, 6'd50, 6'd51, 6'd51, 6'd51, 6'd52,
|
||||
6'd52, 6'd52, 6'd52, 6'd53, 6'd53, 6'd53, 6'd54, 6'd54,
|
||||
6'd54, 6'd54, 6'd55, 6'd55, 6'd55, 6'd56, 6'd56, 6'd56,
|
||||
6'd56, 6'd57, 6'd57, 6'd57, 6'd58, 6'd58, 6'd58, 6'd58,
|
||||
6'd59, 6'd59, 6'd59, 6'd60, 6'd60, 6'd60, 6'd60, 6'd61,
|
||||
6'd61, 6'd61, 6'd62, 6'd62, 6'd62, 6'd62, 6'd63, 6'd63,
|
||||
6'd63
|
||||
};
|
||||
|
||||
// http://marsee101.blog19.fc2.com/blog-entry-2311.html
|
||||
// Y = 16 + 0.257*R + 0.504*G + 0.098*B (Y = 0.299*R + 0.587*G + 0.114*B)
|
||||
// Pb = 128 - 0.148*R - 0.291*G + 0.439*B (Pb = -0.169*R - 0.331*G + 0.500*B)
|
||||
// Pr = 128 + 0.439*R - 0.368*G - 0.071*B (Pr = 0.500*R - 0.419*G - 0.081*B)
|
||||
|
||||
wire [18:0] y_8 = 19'd04096 + ({red, 8'd0} + {red, 3'd0}) + ({green, 9'd0} + {green, 2'd0}) + ({blue, 6'd0} + {blue, 5'd0} + {blue, 2'd0});
|
||||
wire [18:0] pb_8 = 19'd32768 - ({red, 7'd0} + {red, 4'd0} + {red, 3'd0}) - ({green, 8'd0} + {green, 5'd0} + {green, 3'd0}) + ({blue, 8'd0} + {blue, 7'd0} + {blue, 6'd0});
|
||||
wire [18:0] pr_8 = 19'd32768 + ({red, 8'd0} + {red, 7'd0} + {red, 6'd0}) - ({green, 8'd0} + {green, 6'd0} + {green, 5'd0} + {green, 4'd0} + {green, 3'd0}) - ({blue, 6'd0} + {blue , 3'd0});
|
||||
|
||||
wire [7:0] y = ( y_8[17:8] < 16) ? 8'd16 : ( y_8[17:8] > 235) ? 8'd235 : y_8[15:8];
|
||||
wire [7:0] pb = (pb_8[17:8] < 16) ? 8'd16 : (pb_8[17:8] > 240) ? 8'd240 : pb_8[15:8];
|
||||
wire [7:0] pr = (pr_8[17:8] < 16) ? 8'd16 : (pr_8[17:8] > 240) ? 8'd240 : pr_8[15:8];
|
||||
|
||||
assign VGA_R = ypbpr ? (ypbpr_full ? yuv_full[pr-8'd16] : pr[7:2]) : red;
|
||||
assign VGA_G = ypbpr ? (ypbpr_full ? yuv_full[y -8'd16] : y[7:2]) : green;
|
||||
assign VGA_B = ypbpr ? (ypbpr_full ? yuv_full[pb-8'd16] : pb[7:2]) : blue;
|
||||
assign VGA_VS = (scandoublerD | ypbpr) ? 1'b1 : ~vs_sd;
|
||||
assign VGA_HS = scandoublerD ? ~(HSync ^ VSync) : ypbpr ? ~(hs_sd ^ vs_sd) : ~hs_sd;
|
||||
|
||||
endmodule
|
||||
@@ -18,7 +18,7 @@
|
||||
#
|
||||
# Quartus II 64-Bit
|
||||
# Version 13.1.4 Build 182 03/12/2014 SJ Web Edition
|
||||
# Date created = 01:39:42 September 09, 2019
|
||||
# Date created = 14:55:49 September 09, 2019
|
||||
#
|
||||
# -------------------------------------------------------------------------- #
|
||||
#
|
||||
@@ -49,6 +49,10 @@ set_global_assignment -name VHDL_FILE rtl/bagman.vhd
|
||||
set_global_assignment -name VHDL_FILE rtl/bagman_pal16r6.vhd
|
||||
set_global_assignment -name VHDL_FILE rtl/bagman_speech.vhd
|
||||
set_global_assignment -name VHDL_FILE rtl/plc10_speech_synthetizer.vhd
|
||||
set_global_assignment -name VHDL_FILE rtl/ym_2149_linmix.vhd
|
||||
set_global_assignment -name VHDL_FILE rtl/video_gen.vhd
|
||||
set_global_assignment -name VHDL_FILE rtl/gen_ram.vhd
|
||||
set_global_assignment -name VERILOG_FILE rtl/pll.v
|
||||
set_global_assignment -name VHDL_FILE rtl/rom/sbagman_program2.vhd
|
||||
set_global_assignment -name VHDL_FILE rtl/rom/sbagman_tile_bit1.vhd
|
||||
set_global_assignment -name VHDL_FILE rtl/rom/sbagman_tile_bit0.vhd
|
||||
@@ -61,10 +65,7 @@ set_global_assignment -name VHDL_FILE rtl/T80/T80_Pack.vhd
|
||||
set_global_assignment -name VHDL_FILE rtl/T80/T80_MCode.vhd
|
||||
set_global_assignment -name VHDL_FILE rtl/T80/T80_ALU.vhd
|
||||
set_global_assignment -name VHDL_FILE rtl/T80/T80.vhd
|
||||
set_global_assignment -name VHDL_FILE rtl/ym_2149_linmix.vhd
|
||||
set_global_assignment -name VHDL_FILE rtl/video_gen.vhd
|
||||
set_global_assignment -name VHDL_FILE rtl/gen_ram.vhd
|
||||
set_global_assignment -name VERILOG_FILE rtl/pll.v
|
||||
set_global_assignment -name QIP_FILE ../../../common/mist/mist.qip
|
||||
|
||||
# Pin & Location Assignments
|
||||
# ==========================
|
||||
@@ -149,9 +150,9 @@ set_global_assignment -name TIMEQUEST_MULTICORNER_ANALYSIS ON
|
||||
# Analysis & Synthesis Assignments
|
||||
# ================================
|
||||
set_global_assignment -name FAMILY "Cyclone III"
|
||||
set_global_assignment -name TOP_LEVEL_ENTITY bagman_mist
|
||||
set_global_assignment -name DEVICE_FILTER_PIN_COUNT 144
|
||||
set_global_assignment -name DEVICE_FILTER_SPEED_GRADE 8
|
||||
set_global_assignment -name TOP_LEVEL_ENTITY bagman_mist
|
||||
|
||||
# Fitter Assignments
|
||||
# ==================
|
||||
@@ -199,11 +200,10 @@ set_global_assignment -name OUTPUT_IO_TIMING_FAR_END_VMEAS "HALF SIGNAL SWING" -
|
||||
set_global_assignment -name PARTITION_NETLIST_TYPE SOURCE -section_id Top
|
||||
set_global_assignment -name PARTITION_FITTER_PRESERVATION_LEVEL PLACEMENT_AND_ROUTING -section_id Top
|
||||
set_global_assignment -name PARTITION_COLOR 16764057 -section_id Top
|
||||
set_instance_assignment -name PARTITION_HIERARCHY root_partition -to | -section_id Top
|
||||
|
||||
# end DESIGN_PARTITION(Top)
|
||||
# -------------------------
|
||||
|
||||
# end ENTITY(bagman_mist)
|
||||
# -----------------------
|
||||
set_global_assignment -name QIP_FILE ../../../common/mist/mist.qip
|
||||
set_instance_assignment -name PARTITION_HIERARCHY root_partition -to | -section_id Top
|
||||
# -----------------------
|
||||
@@ -35,7 +35,7 @@ localparam CONF_STR = {
|
||||
"O2,Rotate Controls,Off,On;",
|
||||
"O34,Scandoubler Fx,None,HQ2x,CRT 25%,CRT 50%;",
|
||||
"T6,Reset;",
|
||||
"V,v1.20.",`BUILD_DATE
|
||||
"V,v1.25.",`BUILD_DATE
|
||||
};
|
||||
|
||||
assign LED = 1;
|
||||
@@ -58,7 +58,6 @@ wire [7:0] joystick_0;
|
||||
wire [7:0] joystick_1;
|
||||
wire scandoublerD;
|
||||
wire ypbpr;
|
||||
wire [10:0] ps2_key;
|
||||
wire [12:0] audio;
|
||||
wire hs, vs;
|
||||
wire hb, vb;
|
||||
@@ -156,7 +155,7 @@ mist_video #(.COLOR_DEPTH(3), .SD_HCNT_WIDTH(10)) mist_video(
|
||||
.VGA_B ( VGA_B ),
|
||||
.VGA_VS ( VGA_VS ),
|
||||
.VGA_HS ( VGA_HS ),
|
||||
.rotate ( {1'b0,status[2]} ),
|
||||
.rotate ( {1'b1,status[2]} ),
|
||||
.scandoubler_disable( scandoublerD ),
|
||||
.scanlines ( status[4:3] ),
|
||||
.ypbpr ( ypbpr )
|
||||
|
||||
Reference in New Issue
Block a user