mirror of
https://github.com/Gehstock/Mist_FPGA.git
synced 2026-01-19 01:16:58 +00:00
Update
This commit is contained in:
parent
d39aad126e
commit
f730f2a5e0
BIN
Sega - SG1000/Snapshot/sg1000.qar
Normal file
BIN
Sega - SG1000/Snapshot/sg1000.qar
Normal file
Binary file not shown.
BIN
Sega - SG1000/Snapshot/sg1000.rbf
Normal file
BIN
Sega - SG1000/Snapshot/sg1000.rbf
Normal file
Binary file not shown.
Binary file not shown.
158
Sega - SG1000/rtl/SG1000_MiST.sv
Normal file
158
Sega - SG1000/rtl/SG1000_MiST.sv
Normal file
@ -0,0 +1,158 @@
|
||||
module SG1000_MiST(
|
||||
input CLOCK_27,
|
||||
output LED,
|
||||
output VGA_HS,
|
||||
output VGA_VS,
|
||||
output [5:0] VGA_R,
|
||||
output [5:0] VGA_G,
|
||||
output [5:0] VGA_B,
|
||||
inout SPI_DO,
|
||||
input SPI_DI,
|
||||
input SPI_SCK,
|
||||
input SPI_SS2,
|
||||
input SPI_SS3,
|
||||
input SPI_SS4,
|
||||
input CONF_DATA0,
|
||||
output AUDIO_L,
|
||||
output AUDIO_R
|
||||
);
|
||||
|
||||
assign LED = ~ioctl_download;
|
||||
`include "build_id.v"
|
||||
localparam CONF_STR =
|
||||
{
|
||||
"SG1000;BINSG ;",
|
||||
"O23,Scandoubler Fx,None,HQ2x,CRT 25%,CRT 50%;",
|
||||
"O5,Pause,Off,On;",
|
||||
"T6,Reset;",
|
||||
"V,v1.0.",`BUILD_DATE
|
||||
};
|
||||
|
||||
wire [1:0] buttons, switches;
|
||||
wire [31:0] status;
|
||||
wire ypbpr;
|
||||
wire scandoubler_disable;
|
||||
wire ps2_kbd_data, ps2_kbd_clk;
|
||||
wire ioctl_ce;
|
||||
wire ioctl_download;
|
||||
wire [7:0] ioctl_index;
|
||||
wire ioctl_wr;
|
||||
wire [24:0] ioctl_addr;
|
||||
wire [7:0] ioctl_dout;
|
||||
wire [1:0] r, g, b;
|
||||
wire hb, vb, hs, vs;
|
||||
wire blankn = ~(hb | vb);
|
||||
wire [5:0] audio;
|
||||
|
||||
wire clk_8, clk_16, clk_32;
|
||||
|
||||
pll pll (
|
||||
.inclk0(CLOCK_27),
|
||||
.c0(clk_32),//64!!!
|
||||
.c1(clk_16),
|
||||
.c2(clk_8)
|
||||
);
|
||||
|
||||
mist_io #(
|
||||
.STRLEN($size(CONF_STR)>>3))
|
||||
user_io (
|
||||
.clk_sys(clk_32),
|
||||
.CONF_DATA0(CONF_DATA0),
|
||||
.SPI_SCK(SPI_SCK),
|
||||
.SPI_DI(SPI_DI),
|
||||
.SPI_DO(SPI_DO),
|
||||
.SPI_SS2(SPI_SS2),
|
||||
.conf_str(CONF_STR),
|
||||
.ypbpr(ypbpr),
|
||||
.status(status),
|
||||
.scandoubler_disable(scandoubler_disable),
|
||||
.buttons(buttons),
|
||||
.switches(switches),
|
||||
.ps2_kbd_clk(ps2_kbd_clk),
|
||||
.ps2_kbd_data(ps2_kbd_data),
|
||||
.ioctl_ce(1'b1),
|
||||
.ioctl_wr(ioctl_wr),
|
||||
.ioctl_index(ioctl_index),
|
||||
.ioctl_download(ioctl_download),
|
||||
.ioctl_addr(ioctl_addr),
|
||||
.ioctl_dout(ioctl_dout)
|
||||
);
|
||||
|
||||
video_mixer #(
|
||||
.LINE_LENGTH(480),
|
||||
.HALF_DEPTH(0))
|
||||
video_mixer (
|
||||
.clk_sys ( clk_32 ),
|
||||
.ce_pix ( clk_8 ),
|
||||
.ce_pix_actual ( clk_8 ),
|
||||
.SPI_SCK ( SPI_SCK ),
|
||||
.SPI_SS3 ( SPI_SS3 ),
|
||||
.SPI_DI ( SPI_DI ),
|
||||
.R (blankn ? {r,r,r} : "000000" ),
|
||||
.G (blankn ? {g,g,g} : "000000" ),
|
||||
.B (blankn ? {b,b,b} : "000000" ),
|
||||
.HSync ( hs ),
|
||||
.VSync ( vs ),
|
||||
.VGA_R ( VGA_R ),
|
||||
.VGA_G ( VGA_G ),
|
||||
.VGA_B ( VGA_B ),
|
||||
.VGA_VS ( VGA_VS ),
|
||||
.VGA_HS ( VGA_HS ),
|
||||
.scanlines (scandoubler_disable ? 2'b00 : {status[3:2] == 3, status[3:2] == 2}),
|
||||
.scandoubler_disable(1'b1),//scandoubler_disable),
|
||||
.hq2x (status[3:2]==1),
|
||||
.ypbpr ( ypbpr ),
|
||||
.ypbpr_full ( 1 ),
|
||||
.line_start ( 0 ),
|
||||
.mono ( 0 )
|
||||
);
|
||||
|
||||
|
||||
sg1000_top sg1000_top (
|
||||
.RESET_n(~(status[0] | status[6] | buttons[1])),
|
||||
.sys_clk(clk_8),
|
||||
.clk_vdp(clk_16),
|
||||
.pause(status[5]),
|
||||
// .Cart_In(Cart_In),
|
||||
// .Cart_Out(Cart_Out),
|
||||
// .Cart_Addr(Cart_Addr),
|
||||
.audio(audio),
|
||||
.vblank(vb),
|
||||
.hblank(hb),
|
||||
.vga_hs(hs),
|
||||
.vga_vs(vs),
|
||||
.vga_r(r),
|
||||
.vga_g(g),
|
||||
.vga_b(b),
|
||||
.Joy_A(),
|
||||
.Joy_B()
|
||||
);
|
||||
/*
|
||||
wire [7:0] Cart_Out;
|
||||
wire [7:0] Cart_In;
|
||||
wire [14:0] Cart_Addr;
|
||||
|
||||
spram #(
|
||||
.init_file("roms/32.hex"),//Test
|
||||
.widthad_a(15),
|
||||
.width_a(8))
|
||||
CART (
|
||||
.address(ioctl_download ? ioctl_addr[14:0] : Cart_Addr),
|
||||
.clock(clk_32),
|
||||
.data(ioctl_dout),
|
||||
.wren(ioctl_wr),
|
||||
.q(Cart_Out)
|
||||
); */
|
||||
|
||||
dac #(
|
||||
.msbi_g(5))
|
||||
dac (
|
||||
.clk_i(clk_32),
|
||||
.res_i(),
|
||||
.dac_i(audio),
|
||||
.dac_o(AUDIO_L)
|
||||
);
|
||||
|
||||
assign AUDIO_R = AUDIO_L;
|
||||
|
||||
endmodule
|
||||
35
Sega - SG1000/rtl/build_id.tcl
Normal file
35
Sega - SG1000/rtl/build_id.tcl
Normal file
@ -0,0 +1,35 @@
|
||||
# ================================================================================
|
||||
#
|
||||
# Build ID Verilog Module Script
|
||||
# Jeff Wiencrot - 8/1/2011
|
||||
#
|
||||
# Generates a Verilog module that contains a timestamp,
|
||||
# from the current build. These values are available from the build_date, build_time,
|
||||
# physical_address, and host_name output ports of the build_id module in the build_id.v
|
||||
# Verilog source file.
|
||||
#
|
||||
# ================================================================================
|
||||
|
||||
proc generateBuildID_Verilog {} {
|
||||
|
||||
# Get the timestamp (see: http://www.altera.com/support/examples/tcl/tcl-date-time-stamp.html)
|
||||
set buildDate [ clock format [ clock seconds ] -format %y%m%d ]
|
||||
set buildTime [ clock format [ clock seconds ] -format %H%M%S ]
|
||||
|
||||
# Create a Verilog file for output
|
||||
set outputFileName "sys/build_id.v"
|
||||
set outputFile [open $outputFileName "w"]
|
||||
|
||||
# Output the Verilog source
|
||||
puts $outputFile "`define BUILD_DATE \"$buildDate\""
|
||||
puts $outputFile "`define BUILD_TIME \"$buildTime\""
|
||||
close $outputFile
|
||||
|
||||
# Send confirmation message to the Messages window
|
||||
post_message "Generated build identification Verilog module: [pwd]/$outputFileName"
|
||||
post_message "Date: $buildDate"
|
||||
post_message "Time: $buildTime"
|
||||
}
|
||||
|
||||
# Comment out this line to prevent the process from automatically executing when the file is sourced:
|
||||
generateBuildID_Verilog
|
||||
2
Sega - SG1000/rtl/build_id.v
Normal file
2
Sega - SG1000/rtl/build_id.v
Normal file
@ -0,0 +1,2 @@
|
||||
`define BUILD_DATE "180816"
|
||||
`define BUILD_TIME "200421"
|
||||
71
Sega - SG1000/rtl/dac.vhd
Normal file
71
Sega - SG1000/rtl/dac.vhd
Normal file
@ -0,0 +1,71 @@
|
||||
-------------------------------------------------------------------------------
|
||||
--
|
||||
-- Delta-Sigma DAC
|
||||
--
|
||||
-- $Id: dac.vhd,v 1.1 2006/11/29 14:17:19 arnim Exp $
|
||||
--
|
||||
-- Refer to Xilinx Application Note XAPP154.
|
||||
--
|
||||
-- This DAC requires an external RC low-pass filter:
|
||||
--
|
||||
-- dac_o 0---XXXXX---+---0 analog audio
|
||||
-- 2K2 |
|
||||
-- === 10n
|
||||
-- |
|
||||
-- GND
|
||||
--
|
||||
-------------------------------------------------------------------------------
|
||||
|
||||
library ieee;
|
||||
use ieee.std_logic_1164.all;
|
||||
|
||||
entity dac is
|
||||
|
||||
generic (
|
||||
msbi_g : integer := 7
|
||||
);
|
||||
port (
|
||||
clk_i : in std_logic;
|
||||
res_i : in std_logic;
|
||||
dac_i : in std_logic_vector(msbi_g downto 0);
|
||||
dac_o : out std_logic
|
||||
);
|
||||
|
||||
end entity;
|
||||
|
||||
library ieee;
|
||||
use ieee.numeric_std.all;
|
||||
|
||||
architecture rtl of dac is
|
||||
|
||||
signal DACout_q : std_logic;
|
||||
signal DeltaAdder_s,
|
||||
SigmaAdder_s,
|
||||
SigmaLatch_q,
|
||||
DeltaB_s : unsigned(msbi_g+2 downto 0);
|
||||
|
||||
begin
|
||||
|
||||
DeltaB_s(msbi_g+2 downto msbi_g+1) <= SigmaLatch_q(msbi_g+2) &
|
||||
SigmaLatch_q(msbi_g+2);
|
||||
DeltaB_s(msbi_g downto 0) <= (others => '0');
|
||||
|
||||
DeltaAdder_s <= unsigned('0' & '0' & dac_i) + DeltaB_s;
|
||||
|
||||
SigmaAdder_s <= DeltaAdder_s + SigmaLatch_q;
|
||||
|
||||
seq: process (clk_i, res_i)
|
||||
begin
|
||||
if res_i = '1' then
|
||||
SigmaLatch_q <= to_unsigned(2**(msbi_g+1), SigmaLatch_q'length);
|
||||
DACout_q <= '0';
|
||||
|
||||
elsif clk_i'event and clk_i = '1' then
|
||||
SigmaLatch_q <= SigmaAdder_s;
|
||||
DACout_q <= SigmaLatch_q(msbi_g+2);
|
||||
end if;
|
||||
end process seq;
|
||||
|
||||
dac_o <= DACout_q;
|
||||
|
||||
end architecture;
|
||||
454
Sega - SG1000/rtl/hq2x.sv
Normal file
454
Sega - SG1000/rtl/hq2x.sv
Normal file
@ -0,0 +1,454 @@
|
||||
//
|
||||
//
|
||||
// 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
|
||||
496
Sega - SG1000/rtl/mist_io.v
Normal file
496
Sega - SG1000/rtl/mist_io.v
Normal file
@ -0,0 +1,496 @@
|
||||
//
|
||||
// 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 [15:0] joystick_analog_0,
|
||||
output reg [15:0] joystick_analog_1,
|
||||
output [1:0] buttons,
|
||||
output [1:0] switches,
|
||||
output scandoubler_disable,
|
||||
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,
|
||||
input ioctl_wait,
|
||||
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 [13:0] 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 scandoubler_disable = 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;
|
||||
|
||||
// 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 ///////////////////////////////
|
||||
|
||||
localparam UIO_FILE_TX = 8'h53;
|
||||
localparam UIO_FILE_TX_DAT = 8'h54;
|
||||
localparam UIO_FILE_INDEX = 8'h55;
|
||||
|
||||
// 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 [13:0] 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
|
||||
// addr <= ioctl_index ? 14'd9 : 14'd0; //.p files loaded at $4009, ROM is at 0
|
||||
addr <= 14'd0;
|
||||
ioctl_download <= 1;
|
||||
end else begin
|
||||
ioctl_addr <= addr;
|
||||
ioctl_download <= 0;
|
||||
end
|
||||
end
|
||||
|
||||
// command 0x54: UIO_FILE_TX
|
||||
if((cmd == UIO_FILE_TX_DAT) && (cnt == 15)) begin
|
||||
ioctl_addr <= addr;
|
||||
ioctl_dout <= {sbuf, SPI_DI};
|
||||
addr <= addr + 1'd1;
|
||||
ioctl_wr <= 1;
|
||||
end else
|
||||
ioctl_wr <= 0;
|
||||
|
||||
// expose file (menu) index
|
||||
if((cmd == UIO_FILE_INDEX) && (cnt == 15)) ioctl_index <= {sbuf, SPI_DI};
|
||||
end
|
||||
end
|
||||
|
||||
endmodule
|
||||
179
Sega - SG1000/rtl/osd.v
Normal file
179
Sega - SG1000/rtl/osd.v
Normal file
@ -0,0 +1,179 @@
|
||||
// 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,
|
||||
|
||||
// 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 + 1'd1; // one pixel offset for osd_byte register
|
||||
wire [9:0] osd_vcnt = v_cnt - v_osd_start;
|
||||
|
||||
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 [7:0] osd_byte;
|
||||
always @(posedge clk_sys) if(ce_pix) osd_byte <= osd_buffer[{doublescan ? osd_vcnt[7:5] : osd_vcnt[6:4], osd_hcnt[7:0]}];
|
||||
|
||||
wire osd_pixel = osd_byte[doublescan ? osd_vcnt[4:2] : osd_vcnt[3:1]];
|
||||
|
||||
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
|
||||
357
Sega - SG1000/rtl/pll.v
Normal file
357
Sega - SG1000/rtl/pll.v
Normal file
@ -0,0 +1,357 @@
|
||||
// megafunction wizard: %ALTPLL%
|
||||
// GENERATION: STANDARD
|
||||
// VERSION: WM1.0
|
||||
// MODULE: altpll
|
||||
|
||||
// ============================================================
|
||||
// File Name: pll.v
|
||||
// Megafunction Name(s):
|
||||
// altpll
|
||||
//
|
||||
// Simulation Library Files(s):
|
||||
// altera_mf
|
||||
// ============================================================
|
||||
// ************************************************************
|
||||
// THIS IS A WIZARD-GENERATED FILE. DO NOT EDIT THIS FILE!
|
||||
//
|
||||
// 13.0.1 Build 232 06/12/2013 SP 1 SJ Full Version
|
||||
// ************************************************************
|
||||
|
||||
|
||||
//Copyright (C) 1991-2013 Altera Corporation
|
||||
//Your use of Altera Corporation's design tools, logic functions
|
||||
//and other software and tools, and its AMPP partner logic
|
||||
//functions, and any output files from any of the foregoing
|
||||
//(including device programming or simulation files), and any
|
||||
//associated documentation or information are expressly subject
|
||||
//to the terms and conditions of the Altera Program License
|
||||
//Subscription Agreement, Altera MegaCore Function License
|
||||
//Agreement, or other applicable license agreement, including,
|
||||
//without limitation, that your use is for the sole purpose of
|
||||
//programming logic devices manufactured by Altera and sold by
|
||||
//Altera or its authorized distributors. Please refer to the
|
||||
//applicable agreement for further details.
|
||||
|
||||
|
||||
// synopsys translate_off
|
||||
`timescale 1 ps / 1 ps
|
||||
// synopsys translate_on
|
||||
module pll (
|
||||
inclk0,
|
||||
c0,
|
||||
c1,
|
||||
c2);
|
||||
|
||||
input inclk0;
|
||||
output c0;
|
||||
output c1;
|
||||
output c2;
|
||||
|
||||
wire [4:0] sub_wire0;
|
||||
wire [0:0] sub_wire6 = 1'h0;
|
||||
wire [2:2] sub_wire3 = sub_wire0[2:2];
|
||||
wire [0:0] sub_wire2 = sub_wire0[0:0];
|
||||
wire [1:1] sub_wire1 = sub_wire0[1:1];
|
||||
wire c1 = sub_wire1;
|
||||
wire c0 = sub_wire2;
|
||||
wire c2 = sub_wire3;
|
||||
wire sub_wire4 = inclk0;
|
||||
wire [1:0] sub_wire5 = {sub_wire6, sub_wire4};
|
||||
|
||||
altpll altpll_component (
|
||||
.inclk (sub_wire5),
|
||||
.clk (sub_wire0),
|
||||
.activeclock (),
|
||||
.areset (1'b0),
|
||||
.clkbad (),
|
||||
.clkena ({6{1'b1}}),
|
||||
.clkloss (),
|
||||
.clkswitch (1'b0),
|
||||
.configupdate (1'b0),
|
||||
.enable0 (),
|
||||
.enable1 (),
|
||||
.extclk (),
|
||||
.extclkena ({4{1'b1}}),
|
||||
.fbin (1'b1),
|
||||
.fbmimicbidir (),
|
||||
.fbout (),
|
||||
.fref (),
|
||||
.icdrclk (),
|
||||
.locked (),
|
||||
.pfdena (1'b1),
|
||||
.phasecounterselect ({4{1'b1}}),
|
||||
.phasedone (),
|
||||
.phasestep (1'b1),
|
||||
.phaseupdown (1'b1),
|
||||
.pllena (1'b1),
|
||||
.scanaclr (1'b0),
|
||||
.scanclk (1'b0),
|
||||
.scanclkena (1'b1),
|
||||
.scandata (1'b0),
|
||||
.scandataout (),
|
||||
.scandone (),
|
||||
.scanread (1'b0),
|
||||
.scanwrite (1'b0),
|
||||
.sclkout0 (),
|
||||
.sclkout1 (),
|
||||
.vcooverrange (),
|
||||
.vcounderrange ());
|
||||
defparam
|
||||
altpll_component.bandwidth_type = "AUTO",
|
||||
altpll_component.clk0_divide_by = 27,
|
||||
altpll_component.clk0_duty_cycle = 50,
|
||||
altpll_component.clk0_multiply_by = 64,
|
||||
altpll_component.clk0_phase_shift = "0",
|
||||
altpll_component.clk1_divide_by = 27,
|
||||
altpll_component.clk1_duty_cycle = 50,
|
||||
altpll_component.clk1_multiply_by = 16,
|
||||
altpll_component.clk1_phase_shift = "0",
|
||||
altpll_component.clk2_divide_by = 27,
|
||||
altpll_component.clk2_duty_cycle = 50,
|
||||
altpll_component.clk2_multiply_by = 8,
|
||||
altpll_component.clk2_phase_shift = "0",
|
||||
altpll_component.compensate_clock = "CLK0",
|
||||
altpll_component.inclk0_input_frequency = 37037,
|
||||
altpll_component.intended_device_family = "Cyclone III",
|
||||
altpll_component.lpm_hint = "CBX_MODULE_PREFIX=pll",
|
||||
altpll_component.lpm_type = "altpll",
|
||||
altpll_component.operation_mode = "NORMAL",
|
||||
altpll_component.pll_type = "AUTO",
|
||||
altpll_component.port_activeclock = "PORT_UNUSED",
|
||||
altpll_component.port_areset = "PORT_UNUSED",
|
||||
altpll_component.port_clkbad0 = "PORT_UNUSED",
|
||||
altpll_component.port_clkbad1 = "PORT_UNUSED",
|
||||
altpll_component.port_clkloss = "PORT_UNUSED",
|
||||
altpll_component.port_clkswitch = "PORT_UNUSED",
|
||||
altpll_component.port_configupdate = "PORT_UNUSED",
|
||||
altpll_component.port_fbin = "PORT_UNUSED",
|
||||
altpll_component.port_inclk0 = "PORT_USED",
|
||||
altpll_component.port_inclk1 = "PORT_UNUSED",
|
||||
altpll_component.port_locked = "PORT_UNUSED",
|
||||
altpll_component.port_pfdena = "PORT_UNUSED",
|
||||
altpll_component.port_phasecounterselect = "PORT_UNUSED",
|
||||
altpll_component.port_phasedone = "PORT_UNUSED",
|
||||
altpll_component.port_phasestep = "PORT_UNUSED",
|
||||
altpll_component.port_phaseupdown = "PORT_UNUSED",
|
||||
altpll_component.port_pllena = "PORT_UNUSED",
|
||||
altpll_component.port_scanaclr = "PORT_UNUSED",
|
||||
altpll_component.port_scanclk = "PORT_UNUSED",
|
||||
altpll_component.port_scanclkena = "PORT_UNUSED",
|
||||
altpll_component.port_scandata = "PORT_UNUSED",
|
||||
altpll_component.port_scandataout = "PORT_UNUSED",
|
||||
altpll_component.port_scandone = "PORT_UNUSED",
|
||||
altpll_component.port_scanread = "PORT_UNUSED",
|
||||
altpll_component.port_scanwrite = "PORT_UNUSED",
|
||||
altpll_component.port_clk0 = "PORT_USED",
|
||||
altpll_component.port_clk1 = "PORT_USED",
|
||||
altpll_component.port_clk2 = "PORT_USED",
|
||||
altpll_component.port_clk3 = "PORT_UNUSED",
|
||||
altpll_component.port_clk4 = "PORT_UNUSED",
|
||||
altpll_component.port_clk5 = "PORT_UNUSED",
|
||||
altpll_component.port_clkena0 = "PORT_UNUSED",
|
||||
altpll_component.port_clkena1 = "PORT_UNUSED",
|
||||
altpll_component.port_clkena2 = "PORT_UNUSED",
|
||||
altpll_component.port_clkena3 = "PORT_UNUSED",
|
||||
altpll_component.port_clkena4 = "PORT_UNUSED",
|
||||
altpll_component.port_clkena5 = "PORT_UNUSED",
|
||||
altpll_component.port_extclk0 = "PORT_UNUSED",
|
||||
altpll_component.port_extclk1 = "PORT_UNUSED",
|
||||
altpll_component.port_extclk2 = "PORT_UNUSED",
|
||||
altpll_component.port_extclk3 = "PORT_UNUSED",
|
||||
altpll_component.width_clock = 5;
|
||||
|
||||
|
||||
endmodule
|
||||
|
||||
// ============================================================
|
||||
// CNX file retrieval info
|
||||
// ============================================================
|
||||
// Retrieval info: PRIVATE: ACTIVECLK_CHECK STRING "0"
|
||||
// Retrieval info: PRIVATE: BANDWIDTH STRING "1.000"
|
||||
// Retrieval info: PRIVATE: BANDWIDTH_FEATURE_ENABLED STRING "1"
|
||||
// Retrieval info: PRIVATE: BANDWIDTH_FREQ_UNIT STRING "MHz"
|
||||
// Retrieval info: PRIVATE: BANDWIDTH_PRESET STRING "Low"
|
||||
// Retrieval info: PRIVATE: BANDWIDTH_USE_AUTO STRING "1"
|
||||
// Retrieval info: PRIVATE: BANDWIDTH_USE_PRESET STRING "0"
|
||||
// Retrieval info: PRIVATE: CLKBAD_SWITCHOVER_CHECK STRING "0"
|
||||
// Retrieval info: PRIVATE: CLKLOSS_CHECK STRING "0"
|
||||
// Retrieval info: PRIVATE: CLKSWITCH_CHECK STRING "0"
|
||||
// Retrieval info: PRIVATE: CNX_NO_COMPENSATE_RADIO STRING "0"
|
||||
// Retrieval info: PRIVATE: CREATE_CLKBAD_CHECK STRING "0"
|
||||
// Retrieval info: PRIVATE: CREATE_INCLK1_CHECK STRING "0"
|
||||
// Retrieval info: PRIVATE: CUR_DEDICATED_CLK STRING "c0"
|
||||
// Retrieval info: PRIVATE: CUR_FBIN_CLK STRING "c0"
|
||||
// Retrieval info: PRIVATE: DEVICE_SPEED_GRADE STRING "8"
|
||||
// Retrieval info: PRIVATE: DIV_FACTOR0 NUMERIC "27"
|
||||
// Retrieval info: PRIVATE: DIV_FACTOR1 NUMERIC "27"
|
||||
// Retrieval info: PRIVATE: DIV_FACTOR2 NUMERIC "27"
|
||||
// Retrieval info: PRIVATE: DUTY_CYCLE0 STRING "50.00000000"
|
||||
// Retrieval info: PRIVATE: DUTY_CYCLE1 STRING "50.00000000"
|
||||
// Retrieval info: PRIVATE: DUTY_CYCLE2 STRING "50.00000000"
|
||||
// Retrieval info: PRIVATE: EFF_OUTPUT_FREQ_VALUE0 STRING "64.000000"
|
||||
// Retrieval info: PRIVATE: EFF_OUTPUT_FREQ_VALUE1 STRING "16.000000"
|
||||
// Retrieval info: PRIVATE: EFF_OUTPUT_FREQ_VALUE2 STRING "8.000000"
|
||||
// Retrieval info: PRIVATE: EXPLICIT_SWITCHOVER_COUNTER STRING "0"
|
||||
// Retrieval info: PRIVATE: EXT_FEEDBACK_RADIO STRING "0"
|
||||
// Retrieval info: PRIVATE: GLOCKED_COUNTER_EDIT_CHANGED STRING "1"
|
||||
// Retrieval info: PRIVATE: GLOCKED_FEATURE_ENABLED STRING "0"
|
||||
// Retrieval info: PRIVATE: GLOCKED_MODE_CHECK STRING "0"
|
||||
// Retrieval info: PRIVATE: GLOCK_COUNTER_EDIT NUMERIC "1048575"
|
||||
// Retrieval info: PRIVATE: HAS_MANUAL_SWITCHOVER STRING "1"
|
||||
// Retrieval info: PRIVATE: INCLK0_FREQ_EDIT STRING "27.000"
|
||||
// Retrieval info: PRIVATE: INCLK0_FREQ_UNIT_COMBO STRING "MHz"
|
||||
// Retrieval info: PRIVATE: INCLK1_FREQ_EDIT STRING "100.000"
|
||||
// Retrieval info: PRIVATE: INCLK1_FREQ_EDIT_CHANGED STRING "1"
|
||||
// Retrieval info: PRIVATE: INCLK1_FREQ_UNIT_CHANGED STRING "1"
|
||||
// Retrieval info: PRIVATE: INCLK1_FREQ_UNIT_COMBO STRING "MHz"
|
||||
// Retrieval info: PRIVATE: INTENDED_DEVICE_FAMILY STRING "Cyclone III"
|
||||
// Retrieval info: PRIVATE: INT_FEEDBACK__MODE_RADIO STRING "1"
|
||||
// Retrieval info: PRIVATE: LOCKED_OUTPUT_CHECK STRING "0"
|
||||
// Retrieval info: PRIVATE: LONG_SCAN_RADIO STRING "1"
|
||||
// Retrieval info: PRIVATE: LVDS_MODE_DATA_RATE STRING "Not Available"
|
||||
// Retrieval info: PRIVATE: LVDS_MODE_DATA_RATE_DIRTY NUMERIC "0"
|
||||
// Retrieval info: PRIVATE: LVDS_PHASE_SHIFT_UNIT0 STRING "deg"
|
||||
// Retrieval info: PRIVATE: LVDS_PHASE_SHIFT_UNIT1 STRING "deg"
|
||||
// Retrieval info: PRIVATE: LVDS_PHASE_SHIFT_UNIT2 STRING "ps"
|
||||
// Retrieval info: PRIVATE: MIG_DEVICE_SPEED_GRADE STRING "Any"
|
||||
// Retrieval info: PRIVATE: MIRROR_CLK0 STRING "0"
|
||||
// Retrieval info: PRIVATE: MIRROR_CLK1 STRING "0"
|
||||
// Retrieval info: PRIVATE: MIRROR_CLK2 STRING "0"
|
||||
// Retrieval info: PRIVATE: MULT_FACTOR0 NUMERIC "64"
|
||||
// Retrieval info: PRIVATE: MULT_FACTOR1 NUMERIC "16"
|
||||
// Retrieval info: PRIVATE: MULT_FACTOR2 NUMERIC "8"
|
||||
// Retrieval info: PRIVATE: NORMAL_MODE_RADIO STRING "1"
|
||||
// Retrieval info: PRIVATE: OUTPUT_FREQ0 STRING "64.00000000"
|
||||
// Retrieval info: PRIVATE: OUTPUT_FREQ1 STRING "16.00000000"
|
||||
// Retrieval info: PRIVATE: OUTPUT_FREQ2 STRING "8.00000000"
|
||||
// Retrieval info: PRIVATE: OUTPUT_FREQ_MODE0 STRING "0"
|
||||
// Retrieval info: PRIVATE: OUTPUT_FREQ_MODE1 STRING "0"
|
||||
// Retrieval info: PRIVATE: OUTPUT_FREQ_MODE2 STRING "0"
|
||||
// Retrieval info: PRIVATE: OUTPUT_FREQ_UNIT0 STRING "MHz"
|
||||
// Retrieval info: PRIVATE: OUTPUT_FREQ_UNIT1 STRING "MHz"
|
||||
// Retrieval info: PRIVATE: OUTPUT_FREQ_UNIT2 STRING "MHz"
|
||||
// Retrieval info: PRIVATE: PHASE_RECONFIG_FEATURE_ENABLED STRING "1"
|
||||
// Retrieval info: PRIVATE: PHASE_RECONFIG_INPUTS_CHECK STRING "0"
|
||||
// Retrieval info: PRIVATE: PHASE_SHIFT0 STRING "0.00000000"
|
||||
// Retrieval info: PRIVATE: PHASE_SHIFT1 STRING "0.00000000"
|
||||
// Retrieval info: PRIVATE: PHASE_SHIFT2 STRING "0.00000000"
|
||||
// Retrieval info: PRIVATE: PHASE_SHIFT_STEP_ENABLED_CHECK STRING "0"
|
||||
// Retrieval info: PRIVATE: PHASE_SHIFT_UNIT0 STRING "deg"
|
||||
// Retrieval info: PRIVATE: PHASE_SHIFT_UNIT1 STRING "deg"
|
||||
// Retrieval info: PRIVATE: PHASE_SHIFT_UNIT2 STRING "deg"
|
||||
// Retrieval info: PRIVATE: PLL_ADVANCED_PARAM_CHECK STRING "0"
|
||||
// Retrieval info: PRIVATE: PLL_ARESET_CHECK STRING "0"
|
||||
// Retrieval info: PRIVATE: PLL_AUTOPLL_CHECK NUMERIC "1"
|
||||
// Retrieval info: PRIVATE: PLL_ENHPLL_CHECK NUMERIC "0"
|
||||
// Retrieval info: PRIVATE: PLL_FASTPLL_CHECK NUMERIC "0"
|
||||
// Retrieval info: PRIVATE: PLL_FBMIMIC_CHECK STRING "0"
|
||||
// Retrieval info: PRIVATE: PLL_LVDS_PLL_CHECK NUMERIC "0"
|
||||
// Retrieval info: PRIVATE: PLL_PFDENA_CHECK STRING "0"
|
||||
// Retrieval info: PRIVATE: PLL_TARGET_HARCOPY_CHECK NUMERIC "0"
|
||||
// Retrieval info: PRIVATE: PRIMARY_CLK_COMBO STRING "inclk0"
|
||||
// Retrieval info: PRIVATE: RECONFIG_FILE STRING "pll.mif"
|
||||
// Retrieval info: PRIVATE: SACN_INPUTS_CHECK STRING "0"
|
||||
// Retrieval info: PRIVATE: SCAN_FEATURE_ENABLED STRING "1"
|
||||
// Retrieval info: PRIVATE: SELF_RESET_LOCK_LOSS STRING "0"
|
||||
// Retrieval info: PRIVATE: SHORT_SCAN_RADIO STRING "0"
|
||||
// Retrieval info: PRIVATE: SPREAD_FEATURE_ENABLED STRING "0"
|
||||
// Retrieval info: PRIVATE: SPREAD_FREQ STRING "50.000"
|
||||
// Retrieval info: PRIVATE: SPREAD_FREQ_UNIT STRING "KHz"
|
||||
// Retrieval info: PRIVATE: SPREAD_PERCENT STRING "0.500"
|
||||
// Retrieval info: PRIVATE: SPREAD_USE STRING "0"
|
||||
// Retrieval info: PRIVATE: SRC_SYNCH_COMP_RADIO STRING "0"
|
||||
// Retrieval info: PRIVATE: STICKY_CLK0 STRING "1"
|
||||
// Retrieval info: PRIVATE: STICKY_CLK1 STRING "1"
|
||||
// Retrieval info: PRIVATE: STICKY_CLK2 STRING "1"
|
||||
// Retrieval info: PRIVATE: SWITCHOVER_COUNT_EDIT NUMERIC "1"
|
||||
// Retrieval info: PRIVATE: SWITCHOVER_FEATURE_ENABLED STRING "1"
|
||||
// Retrieval info: PRIVATE: SYNTH_WRAPPER_GEN_POSTFIX STRING "0"
|
||||
// Retrieval info: PRIVATE: USE_CLK0 STRING "1"
|
||||
// Retrieval info: PRIVATE: USE_CLK1 STRING "1"
|
||||
// Retrieval info: PRIVATE: USE_CLK2 STRING "1"
|
||||
// Retrieval info: PRIVATE: USE_CLKENA0 STRING "0"
|
||||
// Retrieval info: PRIVATE: USE_CLKENA1 STRING "0"
|
||||
// Retrieval info: PRIVATE: USE_CLKENA2 STRING "0"
|
||||
// Retrieval info: PRIVATE: USE_MIL_SPEED_GRADE NUMERIC "0"
|
||||
// Retrieval info: PRIVATE: ZERO_DELAY_RADIO STRING "0"
|
||||
// Retrieval info: LIBRARY: altera_mf altera_mf.altera_mf_components.all
|
||||
// Retrieval info: CONSTANT: BANDWIDTH_TYPE STRING "AUTO"
|
||||
// Retrieval info: CONSTANT: CLK0_DIVIDE_BY NUMERIC "27"
|
||||
// Retrieval info: CONSTANT: CLK0_DUTY_CYCLE NUMERIC "50"
|
||||
// Retrieval info: CONSTANT: CLK0_MULTIPLY_BY NUMERIC "64"
|
||||
// Retrieval info: CONSTANT: CLK0_PHASE_SHIFT STRING "0"
|
||||
// Retrieval info: CONSTANT: CLK1_DIVIDE_BY NUMERIC "27"
|
||||
// Retrieval info: CONSTANT: CLK1_DUTY_CYCLE NUMERIC "50"
|
||||
// Retrieval info: CONSTANT: CLK1_MULTIPLY_BY NUMERIC "16"
|
||||
// Retrieval info: CONSTANT: CLK1_PHASE_SHIFT STRING "0"
|
||||
// Retrieval info: CONSTANT: CLK2_DIVIDE_BY NUMERIC "27"
|
||||
// Retrieval info: CONSTANT: CLK2_DUTY_CYCLE NUMERIC "50"
|
||||
// Retrieval info: CONSTANT: CLK2_MULTIPLY_BY NUMERIC "8"
|
||||
// Retrieval info: CONSTANT: CLK2_PHASE_SHIFT STRING "0"
|
||||
// Retrieval info: CONSTANT: COMPENSATE_CLOCK STRING "CLK0"
|
||||
// Retrieval info: CONSTANT: INCLK0_INPUT_FREQUENCY NUMERIC "37037"
|
||||
// Retrieval info: CONSTANT: INTENDED_DEVICE_FAMILY STRING "Cyclone III"
|
||||
// Retrieval info: CONSTANT: LPM_TYPE STRING "altpll"
|
||||
// Retrieval info: CONSTANT: OPERATION_MODE STRING "NORMAL"
|
||||
// Retrieval info: CONSTANT: PLL_TYPE STRING "AUTO"
|
||||
// Retrieval info: CONSTANT: PORT_ACTIVECLOCK STRING "PORT_UNUSED"
|
||||
// Retrieval info: CONSTANT: PORT_ARESET STRING "PORT_UNUSED"
|
||||
// Retrieval info: CONSTANT: PORT_CLKBAD0 STRING "PORT_UNUSED"
|
||||
// Retrieval info: CONSTANT: PORT_CLKBAD1 STRING "PORT_UNUSED"
|
||||
// Retrieval info: CONSTANT: PORT_CLKLOSS STRING "PORT_UNUSED"
|
||||
// Retrieval info: CONSTANT: PORT_CLKSWITCH STRING "PORT_UNUSED"
|
||||
// Retrieval info: CONSTANT: PORT_CONFIGUPDATE STRING "PORT_UNUSED"
|
||||
// Retrieval info: CONSTANT: PORT_FBIN STRING "PORT_UNUSED"
|
||||
// Retrieval info: CONSTANT: PORT_INCLK0 STRING "PORT_USED"
|
||||
// Retrieval info: CONSTANT: PORT_INCLK1 STRING "PORT_UNUSED"
|
||||
// Retrieval info: CONSTANT: PORT_LOCKED STRING "PORT_UNUSED"
|
||||
// Retrieval info: CONSTANT: PORT_PFDENA STRING "PORT_UNUSED"
|
||||
// Retrieval info: CONSTANT: PORT_PHASECOUNTERSELECT STRING "PORT_UNUSED"
|
||||
// Retrieval info: CONSTANT: PORT_PHASEDONE STRING "PORT_UNUSED"
|
||||
// Retrieval info: CONSTANT: PORT_PHASESTEP STRING "PORT_UNUSED"
|
||||
// Retrieval info: CONSTANT: PORT_PHASEUPDOWN STRING "PORT_UNUSED"
|
||||
// Retrieval info: CONSTANT: PORT_PLLENA STRING "PORT_UNUSED"
|
||||
// Retrieval info: CONSTANT: PORT_SCANACLR STRING "PORT_UNUSED"
|
||||
// Retrieval info: CONSTANT: PORT_SCANCLK STRING "PORT_UNUSED"
|
||||
// Retrieval info: CONSTANT: PORT_SCANCLKENA STRING "PORT_UNUSED"
|
||||
// Retrieval info: CONSTANT: PORT_SCANDATA STRING "PORT_UNUSED"
|
||||
// Retrieval info: CONSTANT: PORT_SCANDATAOUT STRING "PORT_UNUSED"
|
||||
// Retrieval info: CONSTANT: PORT_SCANDONE STRING "PORT_UNUSED"
|
||||
// Retrieval info: CONSTANT: PORT_SCANREAD STRING "PORT_UNUSED"
|
||||
// Retrieval info: CONSTANT: PORT_SCANWRITE STRING "PORT_UNUSED"
|
||||
// Retrieval info: CONSTANT: PORT_clk0 STRING "PORT_USED"
|
||||
// Retrieval info: CONSTANT: PORT_clk1 STRING "PORT_USED"
|
||||
// Retrieval info: CONSTANT: PORT_clk2 STRING "PORT_USED"
|
||||
// Retrieval info: CONSTANT: PORT_clk3 STRING "PORT_UNUSED"
|
||||
// Retrieval info: CONSTANT: PORT_clk4 STRING "PORT_UNUSED"
|
||||
// Retrieval info: CONSTANT: PORT_clk5 STRING "PORT_UNUSED"
|
||||
// Retrieval info: CONSTANT: PORT_clkena0 STRING "PORT_UNUSED"
|
||||
// Retrieval info: CONSTANT: PORT_clkena1 STRING "PORT_UNUSED"
|
||||
// Retrieval info: CONSTANT: PORT_clkena2 STRING "PORT_UNUSED"
|
||||
// Retrieval info: CONSTANT: PORT_clkena3 STRING "PORT_UNUSED"
|
||||
// Retrieval info: CONSTANT: PORT_clkena4 STRING "PORT_UNUSED"
|
||||
// Retrieval info: CONSTANT: PORT_clkena5 STRING "PORT_UNUSED"
|
||||
// Retrieval info: CONSTANT: PORT_extclk0 STRING "PORT_UNUSED"
|
||||
// Retrieval info: CONSTANT: PORT_extclk1 STRING "PORT_UNUSED"
|
||||
// Retrieval info: CONSTANT: PORT_extclk2 STRING "PORT_UNUSED"
|
||||
// Retrieval info: CONSTANT: PORT_extclk3 STRING "PORT_UNUSED"
|
||||
// Retrieval info: CONSTANT: WIDTH_CLOCK NUMERIC "5"
|
||||
// Retrieval info: USED_PORT: @clk 0 0 5 0 OUTPUT_CLK_EXT VCC "@clk[4..0]"
|
||||
// Retrieval info: USED_PORT: c0 0 0 0 0 OUTPUT_CLK_EXT VCC "c0"
|
||||
// Retrieval info: USED_PORT: c1 0 0 0 0 OUTPUT_CLK_EXT VCC "c1"
|
||||
// Retrieval info: USED_PORT: c2 0 0 0 0 OUTPUT_CLK_EXT VCC "c2"
|
||||
// Retrieval info: USED_PORT: inclk0 0 0 0 0 INPUT_CLK_EXT GND "inclk0"
|
||||
// Retrieval info: CONNECT: @inclk 0 0 1 1 GND 0 0 0 0
|
||||
// Retrieval info: CONNECT: @inclk 0 0 1 0 inclk0 0 0 0 0
|
||||
// Retrieval info: CONNECT: c0 0 0 0 0 @clk 0 0 1 0
|
||||
// Retrieval info: CONNECT: c1 0 0 0 0 @clk 0 0 1 1
|
||||
// Retrieval info: CONNECT: c2 0 0 0 0 @clk 0 0 1 2
|
||||
// Retrieval info: GEN_FILE: TYPE_NORMAL pll.v TRUE
|
||||
// Retrieval info: GEN_FILE: TYPE_NORMAL pll.ppf TRUE
|
||||
// Retrieval info: GEN_FILE: TYPE_NORMAL pll.inc FALSE
|
||||
// Retrieval info: GEN_FILE: TYPE_NORMAL pll.cmp FALSE
|
||||
// Retrieval info: GEN_FILE: TYPE_NORMAL pll.bsf FALSE
|
||||
// Retrieval info: GEN_FILE: TYPE_NORMAL pll_inst.v FALSE
|
||||
// Retrieval info: GEN_FILE: TYPE_NORMAL pll_bb.v FALSE
|
||||
// Retrieval info: LIB_FILE: altera_mf
|
||||
// Retrieval info: CBX_MODULE_PREFIX: ON
|
||||
2049
Sega - SG1000/rtl/roms/32.hex
Normal file
2049
Sega - SG1000/rtl/roms/32.hex
Normal file
File diff suppressed because it is too large
Load Diff
BIN
Sega - SG1000/rtl/roms/BombJack(32).bin
Normal file
BIN
Sega - SG1000/rtl/roms/BombJack(32).bin
Normal file
Binary file not shown.
2049
Sega - SG1000/rtl/roms/BombJack(32).hex
Normal file
2049
Sega - SG1000/rtl/roms/BombJack(32).hex
Normal file
File diff suppressed because it is too large
Load Diff
BIN
Sega - SG1000/rtl/roms/CastleThe(32).bin
Normal file
BIN
Sega - SG1000/rtl/roms/CastleThe(32).bin
Normal file
Binary file not shown.
BIN
Sega - SG1000/rtl/roms/Space Invaders (16).bin
Normal file
BIN
Sega - SG1000/rtl/roms/Space Invaders (16).bin
Normal file
Binary file not shown.
1025
Sega - SG1000/rtl/roms/Space Invaders (16).hex
Normal file
1025
Sega - SG1000/rtl/roms/Space Invaders (16).hex
Normal file
File diff suppressed because it is too large
Load Diff
BIN
Sega - SG1000/rtl/roms/swap.exe
Normal file
BIN
Sega - SG1000/rtl/roms/swap.exe
Normal file
Binary file not shown.
183
Sega - SG1000/rtl/scandoubler.v
Normal file
183
Sega - SG1000/rtl/scandoubler.v
Normal file
@ -0,0 +1,183 @@
|
||||
//
|
||||
// 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
|
||||
|
||||
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
|
||||
@ -1,16 +1,19 @@
|
||||
module sg1000_top(
|
||||
input RESET_n,
|
||||
input sys_clk,
|
||||
input clk_vdp,
|
||||
input sys_clk,//8
|
||||
input clk_vdp,//16
|
||||
input pause,
|
||||
input [7:0] Cart_In,
|
||||
output [7:0] Cart_Out,
|
||||
output [14:0] Cart_Addr,
|
||||
output x,
|
||||
output y,
|
||||
//input [7:0] Cart_Out,
|
||||
//output [7:0] Cart_In,
|
||||
//output [14:0] Cart_Addr,
|
||||
output [5:0] audio,
|
||||
output vblank,
|
||||
output hblank,
|
||||
output [7:0] color,
|
||||
output vga_hs,
|
||||
output vga_vs,
|
||||
output [1:0] vga_r,
|
||||
output [1:0] vga_g,
|
||||
output [1:0] vga_b,
|
||||
input [7:0] Joy_A,
|
||||
input [7:0] Joy_B
|
||||
);
|
||||
@ -18,7 +21,7 @@ input [7:0] Joy_B
|
||||
wire WAIT_n, MREQ_n, M1_n, IORQ_n, RFSH_n, INT_n;
|
||||
wire NMI_n = pause;//go to M1_n and generate CS_PSG_n
|
||||
wire RD_n, WR_n;
|
||||
wire [7:0]D_in, D_out, RAM_D_out;
|
||||
wire [7:0]D_in, D_out, RAM_D_out, Cart_ram_Out;
|
||||
wire [15:0]Addr;
|
||||
|
||||
T80se #(
|
||||
@ -53,25 +56,24 @@ MRAM (
|
||||
.address(Addr[9:0]),
|
||||
.clock(sys_clk),
|
||||
.data(D_out),
|
||||
.wren(WR_n),
|
||||
.wren(~WR_n),
|
||||
.q(RAM_D_out)
|
||||
);
|
||||
|
||||
assign Cart_Addr = Addr[14:0];
|
||||
|
||||
spram #(
|
||||
//assign Cart_Addr = Addr[14:0];
|
||||
wire [7:0] Cart_Out, Cart_In;
|
||||
wire [14:0] Cart_Addr = Addr[14:0];
|
||||
|
||||
sprom #(
|
||||
.init_file("roms/32.hex"),
|
||||
.widthad_a(15),
|
||||
.width_a(8))
|
||||
CART (
|
||||
.address(Cart_Addr),
|
||||
.address(Addr[14:0]),
|
||||
.clock(sys_clk),
|
||||
.data(Cart_In),
|
||||
.wren(WR_n),
|
||||
.q(Cart_Out)
|
||||
);
|
||||
|
||||
wire [5:0]audio;
|
||||
|
||||
psg PSG (
|
||||
.clk(sys_clk),
|
||||
.WR_n(WR_n),
|
||||
@ -80,7 +82,9 @@ psg PSG (
|
||||
);
|
||||
|
||||
wire [7:0]vdp_D_out;
|
||||
|
||||
wire [8:0]x;
|
||||
wire [7:0]y;
|
||||
wire [5:0] color;
|
||||
|
||||
vdp vdp (
|
||||
.cpu_clk(sys_clk),
|
||||
@ -89,7 +93,7 @@ vdp vdp (
|
||||
.WR_n(VDP_WR_n),
|
||||
.IRQ_n(IORQ_n),
|
||||
.A(Addr[7:0]),
|
||||
.D_in(D_out),
|
||||
.D_in(VDP_WR_n ? D_out : 8'b00000000),
|
||||
.D_out(vdp_D_out),
|
||||
.x(x),
|
||||
.y(y),
|
||||
@ -97,6 +101,21 @@ vdp vdp (
|
||||
.hblank(hblank),
|
||||
.color(color)
|
||||
);
|
||||
|
||||
vga_video vga_video (
|
||||
.clk16(clk_vdp),
|
||||
.x(x),
|
||||
.y(y),
|
||||
.vblank(vblank),
|
||||
.hblank(hblank),
|
||||
.color(color),
|
||||
.hsync(vga_hs),
|
||||
.vsync(vga_vs),
|
||||
.red(vga_r),
|
||||
.green(vga_g),
|
||||
.blue(vga_b)
|
||||
);
|
||||
|
||||
|
||||
|
||||
wire CS_WRAM_n = (~MREQ_n & Addr[15:14] == "11") ? 1'b0 : 1'b1;
|
||||
@ -109,8 +128,12 @@ wire VDP_WR_n = (~IORQ_n & Addr[7:6] == "10") | WR_n ? 1'b0 : 1'b1;
|
||||
wire JOY_SEL_n = (~IORQ_n & Addr[7:6] == "11") | RD_n ? 1'b0 : 1'b1;
|
||||
wire KB_SEL_n = (~IORQ_n & Addr[7:6] == "11") ? 1'b0 : 1'b1;
|
||||
|
||||
assign D_in = ~CS_WRAM_n ? RAM_D_out :
|
||||
~VDP_RD_n ? vdp_D_out :
|
||||
"00000000";
|
||||
assign D_in = CS_WRAM_n ? RAM_D_out :
|
||||
VDP_RD_n ? vdp_D_out :
|
||||
EXM1_n ? Cart_Out :
|
||||
EXM2_n ? Cart_ram_Out :
|
||||
8'b00000000;
|
||||
|
||||
endmodule
|
||||
|
||||
|
||||
endmodule
|
||||
93
Sega - SG1000/rtl/vga_video.vhd
Normal file
93
Sega - SG1000/rtl/vga_video.vhd
Normal file
@ -0,0 +1,93 @@
|
||||
----------------------------------------------------------------------------------
|
||||
-- Company:
|
||||
-- Engineer:
|
||||
--
|
||||
-- Create Date: 11:59:35 01/22/2012
|
||||
-- Design Name:
|
||||
-- Module Name: vdp_vga_timing - Behavioral
|
||||
-- Project Name:
|
||||
-- Target Devices:
|
||||
-- Tool versions:
|
||||
-- Description:
|
||||
--
|
||||
-- Dependencies:
|
||||
--
|
||||
-- Revision:
|
||||
-- Revision 0.01 - File Created
|
||||
-- Additional Comments:
|
||||
--
|
||||
----------------------------------------------------------------------------------
|
||||
library IEEE;
|
||||
use IEEE.STD_LOGIC_1164.ALL;
|
||||
use IEEE.NUMERIC_STD.ALL;
|
||||
|
||||
entity vga_video is
|
||||
port (
|
||||
clk16: in std_logic;
|
||||
x: out unsigned(8 downto 0);
|
||||
y: out unsigned(7 downto 0);
|
||||
vblank: out std_logic;
|
||||
hblank: out std_logic;
|
||||
color: in std_logic_vector(5 downto 0);
|
||||
hsync: out std_logic;
|
||||
vsync: out std_logic;
|
||||
red: out std_logic_vector(1 downto 0);
|
||||
green: out std_logic_vector(1 downto 0);
|
||||
blue: out std_logic_vector(1 downto 0));
|
||||
end vga_video;
|
||||
|
||||
architecture Behavioral of vga_video is
|
||||
|
||||
signal hcount: unsigned (8 downto 0) := (others=>'0');
|
||||
signal vcount: unsigned (9 downto 0) := (others=>'0');
|
||||
signal visible: boolean;
|
||||
|
||||
signal y9: unsigned (8 downto 0);
|
||||
|
||||
begin
|
||||
|
||||
process (clk16)
|
||||
begin
|
||||
if rising_edge(clk16) then
|
||||
if hcount=507 then
|
||||
hcount <= (others => '0');
|
||||
if vcount=523 then
|
||||
vcount <= (others=>'0');
|
||||
else
|
||||
vcount <= vcount + 1;
|
||||
end if;
|
||||
else
|
||||
hcount <= hcount + 1;
|
||||
end if;
|
||||
end if;
|
||||
end process;
|
||||
|
||||
x <= hcount-(91+75);
|
||||
y9 <= vcount(9 downto 1)-(13+27);
|
||||
y <= y9(7 downto 0);
|
||||
hblank <= '1' when hcount=0 and vcount(0 downto 0)=0 else '0';
|
||||
vblank <= '1' when hcount=0 and vcount=0 else '0';
|
||||
|
||||
hsync <= '0' when hcount<61 else '1';
|
||||
vsync <= '0' when vcount<2 else '1';
|
||||
|
||||
visible <= vcount>=35 and vcount<35+480 and hcount>=91 and hcount<91+406;
|
||||
|
||||
process (clk16)
|
||||
variable pixel_n: std_logic_vector(1 downto 0);
|
||||
begin
|
||||
if rising_edge(clk16) then
|
||||
if visible then
|
||||
red <= color(1 downto 0);
|
||||
green <= color(3 downto 2);
|
||||
blue <= color(5 downto 4);
|
||||
else
|
||||
red <= (others=>'0');
|
||||
green <= (others=>'0');
|
||||
blue <= (others=>'0');
|
||||
end if;
|
||||
end if;
|
||||
end process;
|
||||
|
||||
end Behavioral;
|
||||
|
||||
242
Sega - SG1000/rtl/video_mixer.sv
Normal file
242
Sega - SG1000/rtl/video_mixer.sv
Normal file
@ -0,0 +1,242 @@
|
||||
//
|
||||
//
|
||||
// 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 = 768,
|
||||
parameter HALF_DEPTH = 0,
|
||||
|
||||
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 scandoubler_disable,
|
||||
|
||||
// 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,
|
||||
|
||||
// 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 = (scandoubler_disable ? R : R_sd);
|
||||
wire [DWIDTH:0] gt = (scandoubler_disable ? G : G_sd);
|
||||
wire [DWIDTH:0] bt = (scandoubler_disable ? 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 = (scandoubler_disable ? HSync : hs_sd);
|
||||
wire vs = (scandoubler_disable ? 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),
|
||||
|
||||
.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 = (scandoubler_disable | ypbpr) ? 1'b1 : ~vs_sd;
|
||||
assign VGA_HS = scandoubler_disable ? ~(HSync ^ VSync) : ypbpr ? ~(hs_sd ^ vs_sd) : ~hs_sd;
|
||||
|
||||
endmodule
|
||||
@ -18,7 +18,7 @@
|
||||
#
|
||||
# Quartus II 64-Bit
|
||||
# Version 13.0.1 Build 232 06/12/2013 Service Pack 1 SJ Full Version
|
||||
# Date created = 20:36:09 September 21, 2018
|
||||
# Date created = 20:12:16 September 22, 2018
|
||||
#
|
||||
# -------------------------------------------------------------------------- #
|
||||
#
|
||||
@ -36,25 +36,13 @@
|
||||
# -------------------------------------------------------------------------- #
|
||||
|
||||
|
||||
set_global_assignment -name FAMILY "Cyclone III"
|
||||
set_global_assignment -name DEVICE EP3C25E144C8
|
||||
set_global_assignment -name TOP_LEVEL_ENTITY sg1000_top
|
||||
|
||||
# Project-Wide Assignments
|
||||
# ========================
|
||||
set_global_assignment -name ORIGINAL_QUARTUS_VERSION "13.0 SP1"
|
||||
set_global_assignment -name PROJECT_CREATION_TIME_DATE "20:36:09 SEPTEMBER 21, 2018"
|
||||
set_global_assignment -name LAST_QUARTUS_VERSION "13.0 SP1"
|
||||
set_global_assignment -name PROJECT_OUTPUT_DIRECTORY output_files
|
||||
set_global_assignment -name MIN_CORE_JUNCTION_TEMP 0
|
||||
set_global_assignment -name MAX_CORE_JUNCTION_TEMP 85
|
||||
set_global_assignment -name DEVICE_FILTER_PACKAGE TQFP
|
||||
set_global_assignment -name DEVICE_FILTER_PIN_COUNT 144
|
||||
set_global_assignment -name DEVICE_FILTER_SPEED_GRADE 8
|
||||
set_global_assignment -name ERROR_CHECK_FREQUENCY_DIVISOR 1
|
||||
set_global_assignment -name NOMINAL_CORE_SUPPLY_VOLTAGE 1.2V
|
||||
set_global_assignment -name POWER_PRESET_COOLING_SOLUTION "23 MM HEAT SINK WITH 200 LFPM AIRFLOW"
|
||||
set_global_assignment -name POWER_BOARD_THERMAL_MODEL "NONE (CONSERVATIVE)"
|
||||
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_global_assignment -name VHDL_FILE rtl/vdp/vdp_sprites.vhd
|
||||
set_global_assignment -name VHDL_FILE rtl/vdp/vdp_sprite_shifter.vhd
|
||||
set_global_assignment -name VHDL_FILE rtl/vdp/vdp_main.vhd
|
||||
@ -72,5 +60,108 @@ 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/spram.vhd
|
||||
set_global_assignment -name SYSTEMVERILOG_FILE rtl/sg1000_top.sv
|
||||
set_global_assignment -name SYSTEMVERILOG_FILE rtl/SG1000_MiST.sv
|
||||
set_global_assignment -name VHDL_FILE rtl/dpram.vhd
|
||||
set_global_assignment -name VHDL_FILE rtl/vga_video.vhd
|
||||
set_global_assignment -name SYSTEMVERILOG_FILE rtl/video_mixer.sv
|
||||
set_global_assignment -name VERILOG_FILE rtl/scandoubler.v
|
||||
set_global_assignment -name VERILOG_FILE rtl/pll.v
|
||||
set_global_assignment -name VERILOG_FILE rtl/mist_io.v
|
||||
set_global_assignment -name VERILOG_FILE rtl/osd.v
|
||||
set_global_assignment -name SYSTEMVERILOG_FILE rtl/hq2x.sv
|
||||
set_global_assignment -name VHDL_FILE rtl/dac.vhd
|
||||
|
||||
# Classic Timing Assignments
|
||||
# ==========================
|
||||
set_global_assignment -name MIN_CORE_JUNCTION_TEMP 0
|
||||
set_global_assignment -name MAX_CORE_JUNCTION_TEMP 85
|
||||
|
||||
# Analysis & Synthesis Assignments
|
||||
# ================================
|
||||
set_global_assignment -name FAMILY "Cyclone III"
|
||||
set_global_assignment -name TOP_LEVEL_ENTITY SG1000_MiST
|
||||
set_global_assignment -name DEVICE_FILTER_PACKAGE TQFP
|
||||
set_global_assignment -name DEVICE_FILTER_PIN_COUNT 144
|
||||
set_global_assignment -name DEVICE_FILTER_SPEED_GRADE 8
|
||||
|
||||
# Fitter Assignments
|
||||
# ==================
|
||||
set_global_assignment -name DEVICE EP3C25E144C8
|
||||
set_global_assignment -name ERROR_CHECK_FREQUENCY_DIVISOR 1
|
||||
|
||||
# Power Estimation Assignments
|
||||
# ============================
|
||||
set_global_assignment -name POWER_PRESET_COOLING_SOLUTION "23 MM HEAT SINK WITH 200 LFPM AIRFLOW"
|
||||
set_global_assignment -name POWER_BOARD_THERMAL_MODEL "NONE (CONSERVATIVE)"
|
||||
|
||||
# -------------------------
|
||||
# start ENTITY(SG1000_MiST)
|
||||
|
||||
# start DESIGN_PARTITION(Top)
|
||||
# ---------------------------
|
||||
|
||||
# Incremental Compilation Assignments
|
||||
# ===================================
|
||||
|
||||
# end DESIGN_PARTITION(Top)
|
||||
# -------------------------
|
||||
|
||||
# end ENTITY(SG1000_MiST)
|
||||
# -----------------------
|
||||
|
||||
# ------------------------
|
||||
# start ENTITY(sg1000_top)
|
||||
set_location_assignment PIN_7 -to LED
|
||||
set_location_assignment PIN_144 -to VGA_R[5]
|
||||
set_location_assignment PIN_143 -to VGA_R[4]
|
||||
set_location_assignment PIN_142 -to VGA_R[3]
|
||||
set_location_assignment PIN_141 -to VGA_R[2]
|
||||
set_location_assignment PIN_137 -to VGA_R[1]
|
||||
set_location_assignment PIN_135 -to VGA_R[0]
|
||||
set_location_assignment PIN_133 -to VGA_B[5]
|
||||
set_location_assignment PIN_132 -to VGA_B[4]
|
||||
set_location_assignment PIN_125 -to VGA_B[3]
|
||||
set_location_assignment PIN_121 -to VGA_B[2]
|
||||
set_location_assignment PIN_120 -to VGA_B[1]
|
||||
set_location_assignment PIN_115 -to VGA_B[0]
|
||||
set_location_assignment PIN_114 -to VGA_G[5]
|
||||
set_location_assignment PIN_113 -to VGA_G[4]
|
||||
set_location_assignment PIN_112 -to VGA_G[3]
|
||||
set_location_assignment PIN_111 -to VGA_G[2]
|
||||
set_location_assignment PIN_110 -to VGA_G[1]
|
||||
set_location_assignment PIN_106 -to VGA_G[0]
|
||||
set_location_assignment PIN_136 -to VGA_VS
|
||||
set_location_assignment PIN_119 -to VGA_HS
|
||||
set_location_assignment PIN_65 -to AUDIO_L
|
||||
set_location_assignment PIN_80 -to AUDIO_R
|
||||
set_location_assignment PIN_105 -to SPI_DO
|
||||
set_location_assignment PIN_88 -to SPI_DI
|
||||
set_location_assignment PIN_126 -to SPI_SCK
|
||||
set_location_assignment PIN_127 -to SPI_SS2
|
||||
set_location_assignment PIN_91 -to SPI_SS3
|
||||
set_location_assignment PIN_90 -to SPI_SS4
|
||||
set_location_assignment PIN_13 -to CONF_DATA0
|
||||
|
||||
# end ENTITY(sg1000_top)
|
||||
# ----------------------
|
||||
set_global_assignment -name STRATIX_DEVICE_IO_STANDARD "3.3-V LVTTL"
|
||||
set_location_assignment PIN_54 -to CLOCK_27
|
||||
set_global_assignment -name CYCLONEIII_CONFIGURATION_SCHEME "PASSIVE SERIAL"
|
||||
set_global_assignment -name USE_CONFIGURATION_DEVICE OFF
|
||||
set_global_assignment -name GENERATE_RBF_FILE ON
|
||||
set_global_assignment -name CRC_ERROR_OPEN_DRAIN OFF
|
||||
set_global_assignment -name FORCE_CONFIGURATION_VCCIO ON
|
||||
set_global_assignment -name CYCLONEII_RESERVE_NCEO_AFTER_CONFIGURATION "USE AS REGULAR IO"
|
||||
set_global_assignment -name RESERVE_DATA0_AFTER_CONFIGURATION "USE AS REGULAR IO"
|
||||
set_global_assignment -name RESERVE_DATA1_AFTER_CONFIGURATION "USE AS REGULAR IO"
|
||||
set_global_assignment -name RESERVE_FLASH_NCE_AFTER_CONFIGURATION "USE AS REGULAR IO"
|
||||
set_global_assignment -name RESERVE_DCLK_AFTER_CONFIGURATION "USE AS REGULAR IO"
|
||||
set_global_assignment -name OUTPUT_IO_TIMING_NEAR_END_VMEAS "HALF VCCIO" -rise
|
||||
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
|
||||
set_global_assignment -name VHDL_FILE rtl/sprom.vhd
|
||||
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
|
||||
BIN
Sega - SG1000/sg1000.qws
Normal file
BIN
Sega - SG1000/sg1000.qws
Normal file
Binary file not shown.
7
Sega - SG1000/sg1000.srf
Normal file
7
Sega - SG1000/sg1000.srf
Normal file
@ -0,0 +1,7 @@
|
||||
{ "" "" "" "Verilog HDL macro warning at hq2x.sv(26): overriding existing definition for macro \"BITS_TO_FIT\", which was defined in \"rtl/scandoubler.v\", line 109" { } { } 0 10274 "" 0 0 "Quartus II" 0 -1 0 ""}
|
||||
{ "" "" "" "Output port \"Cart_In\" at sg1000_top.sv(8) has no driver" { } { } 0 10034 "" 0 0 "Quartus II" 0 -1 0 ""}
|
||||
{ "" "" "" "Verilog HDL warning at hq2x.sv(247): extended using \"x\" or \"z\"" { } { } 0 10273 "" 0 0 "Quartus II" 0 -1 0 ""}
|
||||
{ "" "" "" "Verilog HDL information at scandoubler.v(102): always construct contains both blocking and non-blocking assignments" { } { } 0 10268 "" 0 0 "Quartus II" 0 -1 0 ""}
|
||||
{ "" "" "" "Net \"Cart_ram_Out\" at sg1000_top.sv(25) has no driver or initial value, using a default initial value '0'" { } { } 0 10030 "" 0 0 "Quartus II" 0 -1 0 ""}
|
||||
{ "" "" "" "VHDL Process Statement warning at vdp_main.vhd(117): signal \"mask_column0\" is read inside the Process Statement but isn't in the Process Statement's sensitivity list" { } { } 0 10492 "" 0 0 "Quartus II" 0 -1 0 ""}
|
||||
{ "" "" "" "*" { } { } 0 14284 "" 0 0 "Quartus II" 0 -1 0 ""}
|
||||
BIN
Sega - SG1000/sgcon.png
Normal file
BIN
Sega - SG1000/sgcon.png
Normal file
Binary file not shown.
|
After Width: | Height: | Size: 7.2 KiB |
Loading…
x
Reference in New Issue
Block a user