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mirror of https://github.com/Gehstock/Mist_FPGA.git synced 2026-01-11 23:43:09 +00:00

Added Wave playing of tape loop to Journey core.

This commit is contained in:
Alastair M. Robinson 2024-03-04 14:40:38 +00:00
parent 209336f404
commit 74f39d4239
7 changed files with 479 additions and 12 deletions

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@ -181,7 +181,7 @@ 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 ENABLE_SIGNALTAP OFF
set_global_assignment -name USE_SIGNALTAP_FILE output_files/jo.stp
set_global_assignment -name USE_SIGNALTAP_FILE output_files/stp1.stp
set_global_assignment -name SYSTEMVERILOG_FILE rtl/Journey_MiST.sv
set_global_assignment -name VHDL_FILE rtl/journey.vhd
set_global_assignment -name VHDL_FILE rtl/satans_hollow_sound_board.vhd
@ -196,4 +196,7 @@ set_global_assignment -name QIP_FILE ../../../common/CPU/T80/T80.qip
set_global_assignment -name VHDL_FILE ../../../common/Sound/ym2149/vol_table_array.vhd
set_global_assignment -name VHDL_FILE ../../../common/Sound/ym2149/YM2149.vhd
set_global_assignment -name QIP_FILE ../../../common/mist/mist.qip
set_global_assignment -name VHDL_FILE ../../../common/Sound/diskimage_by_byte.vhd
set_global_assignment -name SYSTEMVERILOG_FILE ../../../common/Sound/wave_sound.sv
set_global_assignment -name SIGNALTAP_FILE output_files/stp1.stp
set_instance_assignment -name PARTITION_HIERARCHY root_partition -to | -section_id Top

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@ -5,7 +5,7 @@
<year>1984</year>
<manufacturer>Bally Midway</manufacturer>
<category>Action</category>
<rbf>MCR3</rbf>
<rbf>Journey</rbf>
<setname>journey</setname>
<rom index="0" zip="journey.zip" md5="95d0859c7922308b094486d0d624c727" type="merged|nonmerged">
<part crc="f2618913" name="d2"/>

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@ -16,13 +16,15 @@
// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
//============================================================================
`default_nettype none
module Journey_MiST(
output LED,
output [5:0] VGA_R,
output [5:0] VGA_G,
output [5:0] VGA_B,
output VGA_HS,
output VGA_VS,
output reg VGA_HS,
output reg VGA_VS,
output AUDIO_L,
output AUDIO_R,
input SPI_SCK,
@ -53,6 +55,7 @@ localparam CONF_STR = {
"O5,Blend,Off,On;",
"O6,Service,Off,On;",
"R2048,Save NVRAM;",
// "S0U,WAVVHD,Cas Audio:;",
"T0,Reset;",
"V,v1.0.",`BUILD_DATE
};
@ -95,10 +98,21 @@ wire key_pressed;
wire [7:0] key_code;
wire key_strobe;
wire [31:0] sd_lba;
wire sd_rd;
wire sd_ack;
wire sd_ack_conf;
wire [7:0] sd_dout;
wire sd_dout_strobe;
wire img_mounted;
wire [63:0] img_size;
user_io #(
.STRLEN(($size(CONF_STR)>>3)))
user_io(
.STRLEN(($size(CONF_STR)>>3)),
.SD_IMAGES(1)
) user_io(
.clk_sys (clk_sys ),
.clk_sd (clk_sys ),
.conf_str (CONF_STR ),
.SPI_CLK (SPI_SCK ),
.SPI_SS_IO (CONF_DATA0 ),
@ -114,6 +128,23 @@ user_io(
.key_code (key_code ),
.joystick_0 (joystick_0 ),
.joystick_1 (joystick_1 ),
// SD CARD
.sd_lba (sd_lba ),
.sd_rd (sd_rd ),
.sd_wr (1'b0 ),
.sd_ack (sd_ack ),
.sd_ack_conf (sd_ack_conf ),
.sd_conf (1'b0 ),
.sd_sdhc (1'b1 ),
.sd_dout (sd_dout ),
.sd_dout_strobe (sd_dout_strobe),
.sd_din ( ),
.sd_din_strobe ( ),
.sd_buff_addr ( ),
.img_mounted (img_mounted ),
.img_size (img_size ),
.status (status )
);
@ -223,6 +254,8 @@ wire hs, vs, cs;
wire blankn;
wire [2:0] g, r, b;
wire [7:0] output_4;
journey journey(
.clock_40(clk_sys),
.reset(reset),
@ -243,6 +276,8 @@ journey journey(
.input_2 ( input_2 ),
.input_3 ( input_3 ),
.input_4 ( input_4 ),
.output_4 ( output_4 ),
.cpu_rom_addr ( rom_addr ),
.cpu_rom_do ( rom_addr[0] ? rom_do[15:8] : rom_do[7:0] ),
@ -259,8 +294,10 @@ journey journey(
wire vs_out;
wire hs_out;
assign VGA_HS = (~no_csync & scandoublerD & ~ypbpr)? cs : hs_out;
assign VGA_VS = (~no_csync & scandoublerD & ~ypbpr)? 1'b1 : vs_out;
always @(posedge clk_sys) begin
VGA_HS <= (~no_csync & scandoublerD & ~ypbpr)? cs : hs_out;
VGA_VS <= (~no_csync & scandoublerD & ~ypbpr)? 1'b1 : vs_out;
end
mist_video #(.COLOR_DEPTH(3), .SD_HCNT_WIDTH(10)) mist_video(
.clk_sys ( clk_sys ),
@ -286,21 +323,99 @@ mist_video #(.COLOR_DEPTH(3), .SD_HCNT_WIDTH(10)) mist_video(
.ypbpr ( ypbpr )
);
// Wave sound
wire wav_mounted;
wire [31:0] wav_addr;
wire wav_rd;
wire wav_rd_next;
wire [7:0] wav_d;
wire wav_ack;
assign wav_addr[31:28] = 4'h0;
assign sd_lba[31:23] = 8'h00;
// Bytewise interface to disk images
diskimage_by_byte waveinterface (
.clk(clk_sys),
.reset_n(~reset),
.sd_lba(sd_lba),
.sd_rd(sd_rd),
.sd_ack(sd_ack),
.sd_d(sd_dout),
.sd_d_strobe(sd_dout_strobe),
.sd_imgsize(img_size),
.sd_imgmounted(img_mounted),
.client_mounted(wav_mounted),
.client_addr(wav_addr),
.client_rd(wav_rd),
.client_rd_next(wav_rd_next),
.client_q(wav_d),
.client_ack(wav_ack)
);
// Wave player
wire [15:0] wav_out_l;
wire [15:0] wav_out_r;
wire playing;
assign playing = wav_mounted && output_4[0];
wave_sound #(.SYSCLOCK(40000000)) waveplayer
(
.I_CLK(clk_sys),
.I_RST(reset | img_mounted),
.I_BASE_ADDR(0),
.I_LOOP(1'b1),
.I_PAUSE(~playing),
.O_ADDR(wav_addr),
.O_READ(wav_rd),
.O_READNEXT(wav_rd_next),
.I_DATA(wav_d),
.I_READY(wav_ack),
.O_PCM_L(wav_out_l),
.O_PCM_R(wav_out_r)
);
reg [16:0] audio_l_sum;
reg [16:0] audio_r_sum;
reg [16:0] dac_in_l;
reg [16:0] dac_in_r;
always @(posedge clk_sys) begin
audio_l_sum <= {wav_out_l[15],wav_out_l} + {audio_l,1'b0} - 16'h4000;
audio_r_sum <= {wav_out_r[15],wav_out_r} + {audio_r,1'b0} - 16'h4000;
dac_in_l <= {~audio_l_sum[16],audio_l_sum[15:0]};
dac_in_r <= {~audio_r_sum[16],audio_r_sum[15:0]};
end
dac #(
.C_bits(16))
.C_bits(17))
dac_l(
.clk_i(clk_sys),
.res_n_i(1),
.dac_i(audio_l),
.dac_i(dac_in_l),
.dac_o(AUDIO_L)
);
dac #(
.C_bits(16))
.C_bits(17))
dac_r(
.clk_i(clk_sys),
.res_n_i(1),
.dac_i(audio_r),
.dac_i(dac_in_r),
.dac_o(AUDIO_R)
);

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@ -158,6 +158,8 @@ port(
input_2 : in std_logic_vector( 7 downto 0);
input_3 : in std_logic_vector( 7 downto 0);
input_4 : in std_logic_vector( 7 downto 0);
output_4 : out std_logic_vector( 7 downto 0);
cpu_rom_addr : out std_logic_vector(15 downto 0);
cpu_rom_do : in std_logic_vector(7 downto 0);
@ -851,6 +853,8 @@ port map(
input_3 => input_3,
input_4 => input_4,
output_4 => output_4,
separate_audio => separate_audio,
audio_out_l => audio_out_l,
audio_out_r => audio_out_r,

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@ -68,6 +68,7 @@ port(
input_2 : in std_logic_vector(7 downto 0);
input_3 : in std_logic_vector(7 downto 0);
input_4 : in std_logic_vector(7 downto 0);
output_4 : out std_logic_vector(7 downto 0);
separate_audio : in std_logic;
audio_out_l : out std_logic_vector(15 downto 0);
@ -446,8 +447,12 @@ begin
iram_1_do <= (others => '0');
iram_2_do <= (others => '0');
iram_3_do <= (others => '0');
output_4 <= (others => '0');
else
if rising_edge(clock_snd) then
if ssio_iowe = '1' and main_cpu_addr(7 downto 2) = "000001" then -- 0x04 - 0x07
output_4 <= ssio_di;
end if;
if ssio_iowe = '1' and main_cpu_addr(7 downto 2) = "000111" then -- 0x1C - 0x1F
case main_cpu_addr(1 downto 0) is
when "00" => iram_0_do <= ssio_di;

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@ -0,0 +1,168 @@
library ieee;
use ieee.std_logic_1164.all;
use ieee.std_logic_misc.all;
use ieee.numeric_std.all;
entity diskimage_by_byte is
generic (
lbahigh : integer := 31;
lbalow : integer := 9
);
port (
clk : in std_logic;
reset_n : in std_logic;
-- Disk image interface
sd_lba : out std_logic_vector(lbahigh-lbalow downto 0);
sd_rd : out std_logic;
sd_ack : in std_logic;
sd_d : in std_logic_vector(7 downto 0);
sd_d_strobe : in std_logic;
sd_imgsize : in std_logic_vector(lbahigh downto 0);
sd_imgmounted : in std_logic;
-- Word interface
client_mounted : out std_logic;
client_addr : in std_logic_vector(lbahigh downto 0); -- Offset from start of file, in bytes - but LSB should be zero
client_rd : in std_logic;
client_rd_next : in std_logic;
client_q : out std_logic_vector(7 downto 0);
client_ack : out std_logic
);
end entity;
architecture rtl of diskimage_by_byte is
type bufdata_t is array(0 to 1024) of std_logic_vector(7 downto 0);
signal buf : bufdata_t;
type states_t is (IDLE,WAITACK,READING,READEND);
signal state : states_t;
signal fillbuf : std_logic;
signal drainbuf : std_logic;
signal client_mounted_i : std_logic :='0';
begin
sdinterface : block
signal imgsize : unsigned(lbahigh downto 0);
signal fillidx : unsigned(lbahigh downto 0); -- Byte index into file
signal fillbuf_d : std_logic;
begin
client_mounted <= client_mounted_i;
fillbuf <= fillidx(lbalow);
process(clk) begin
if rising_edge(clk) then
if sd_imgmounted='1' then
imgsize <= unsigned(sd_imgsize);
if or_reduce(sd_imgsize) /= '0' then
client_mounted_i <= '1';
else
client_mounted_i <= '0';
end if;
end if;
end if;
end process;
process(clk) begin
if rising_edge(clk) then
case(state) is
when IDLE =>
-- If the read pointer has progressed into the last buffer, read the next sector into the newly-vacated buffer
if fillbuf /= drainbuf then
if fillidx(lbahigh downto lbalow)<imgsize(lbahigh downto lbalow) then
sd_lba <= std_logic_vector(fillidx(lbahigh downto lbalow));
sd_rd <= '1';
state <= WAITACK;
end if;
end if;
if client_rd='1' and client_mounted_i='1' then
fillidx(lbahigh downto lbalow) <= unsigned(client_addr(lbahigh downto lbalow));
fillidx(lbalow-1 downto 0) <= (others => '0');
sd_lba <= client_addr(lbahigh downto lbalow);
sd_rd <= '1';
state <= WAITACK;
end if;
when WAITACK =>
if sd_ack='1' then
sd_rd<='0';
state <= READING;
end if;
when READING =>
if sd_d_strobe='1' then
buf(to_integer(fillidx(lbalow downto 0))) <= sd_d;
fillidx <= fillidx+1;
end if;
if fillbuf /= fillbuf_d then
state <= READEND;
end if;
fillbuf_d<=fillbuf;
when READEND =>
if sd_ack='0' then
state <= IDLE;
end if;
when others =>
null;
end case;
if reset_n='0' or sd_imgmounted='1' then
fillidx<=(others => '0');
sd_rd<='0';
state <= IDLE;
end if;
end if;
end process;
end block;
clientinterface : block
signal drainidx : unsigned(lbahigh downto 0);
signal rd_d : std_logic;
signal client_ack_i : std_logic;
begin
client_ack <= client_ack_i;
drainbuf <= drainidx(lbalow);
process(clk) begin
if rising_edge(clk) then
client_ack_i <='0';
if client_rd='1' and client_ack_i='0' then
drainidx <= unsigned(client_addr);
end if;
if client_rd = '1' or client_rd_next='1' then -- Latch incoming read requests, and give SM time to respond
rd_d <= not client_ack_i;
end if;
if client_ack_i='0' and rd_d='1' and (state=IDLE or fillbuf /= drainbuf) then
client_q <= buf(to_integer(drainidx(lbalow downto 0)));
drainidx <= drainidx+1;
rd_d <= '0';
client_ack_i <= '1';
end if;
if sd_imgmounted='1' then
rd_d <= '0';
drainidx<=(others => '0');
end if;
if reset_n='0' or client_mounted_i='0' then
rd_d<='0';
client_ack_i<='0';
end if;
end if;
end process;
end block;
end architecture;

172
common/Sound/wave_sound.sv Normal file
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@ -0,0 +1,172 @@
//============================================================================
// Sound sample player.
//
// Author: gaz68 (https://github.com/gaz68)
// October 2019
// Adapted by alanswx to parse the wave
//
// Adjustments for diskimage interface, and stereo support by
// Alastair M. Robinson
//
//============================================================================
module wave_sound #(parameter SYSCLOCK = 40000000)
(
input I_CLK,
input I_RST,
input [27:0] I_BASE_ADDR,
input I_LOOP,
input I_PAUSE,
output [27:0] O_ADDR, // output address to wave ROM
output O_READ, // read a byte
output O_READNEXT, // read a byte
input [7:0] I_DATA, // Data coming back from wave ROM
input I_READY, // data is ready
output [15:0] O_PCM_L,
output [15:0] O_PCM_R
);
reg [27:0] W_DMA_ADDR;
reg [27:0] END_ADDR;
reg W_DMA_EN;
reg inheader;
reg [15:0] num_channels;
reg [31:0] sample_rate;
reg [31:0] byte_rate;
reg [15:0] block_align;
reg [15:0] bits_per_sample;
reg [23:0] data_size;
reg [27:0] START_ADDR;
reg [7:0] W_SAMPL_LSB;
reg [15:0] W_SAMPL_L;
reg [15:0] W_SAMPL_R;
reg [31:0] sum;
wire[31:0] sum_next = sum + ( stereo ? {sample_rate,1'b0} : sample_rate);
wire stereo = num_channels==16'h2 ? 1'b1 : 1'b0;
reg channel_toggle;
reg ce_sample;
always @(posedge I_CLK) begin
ce_sample <= 0;
sum <= sum_next;
if(sum_next >= SYSCLOCK) begin
sum <= sum_next - SYSCLOCK;
ce_sample <= 1;
end
end
reg read_done = 0;
always@(posedge I_CLK) begin
if(I_RST)begin
W_DMA_ADDR <= I_BASE_ADDR;
W_DMA_EN <= 1'b1;
O_READ <= 1'b1;
O_READNEXT <= 1'b0;
inheader <= 1'b1;
read_done <= 1'b0;
end
else if (W_DMA_EN) begin
if (I_READY) begin
O_READ <= 0;
O_READNEXT <= 0;
end
if (I_READY & ~read_done) begin
if (inheader) begin
O_READNEXT <= 1'b1;
case (W_DMA_ADDR[5:0])
00: ; // R
01: ; // I
02: ; // F
03: ; // F
22: num_channels[7:0] <= I_DATA;
23: num_channels[15:8] <= I_DATA;
24: sample_rate[7:0] <= I_DATA;
25: sample_rate[15:8] <= I_DATA;
26: sample_rate[23:16] <= I_DATA;
27: sample_rate[31:24] <= I_DATA;
//28: byte_rate[7:0] <= I_DATA;
//29: byte_rate[15:8] <= I_DATA;
//30: byte_rate[23:16] <= I_DATA;
//31: byte_rate[31:24] <= I_DATA;
//32: block_align[7:0] <= I_DATA;
//33: block_align[15:8] <= I_DATA;
34: bits_per_sample[7:0] <= I_DATA;
35: bits_per_sample[15:8] <= I_DATA;
40: data_size[7:0] <= I_DATA;
41: data_size[15:8] <= I_DATA;
42: data_size[23:16] <= I_DATA;
43: begin
// data_size[31:24] <= I_DATA;// AMR - Applied too late
//$display("num_channels %x %d\n",num_channels,num_channels);
$display("sample_rate %x %d\n",sample_rate,sample_rate);
//$display("byte_rate %x %d\n",byte_rate,byte_rate);
//$display("block_align%x %d\n",block_align,block_align);
$display("bits_per_sample %x %d\n",bits_per_sample,bits_per_sample);
$display("data_size %x %d\n",data_size,data_size);
$display("data_size %x %d\n",data_size,data_size);
$display("data_size %x %d\n",data_size[15:0],data_size[15:0]);
END_ADDR <= W_DMA_ADDR + data_size + {I_DATA,24'd0}; // AMR - Merge in MSB
START_ADDR <= W_DMA_ADDR + 1'd1;
inheader <= 0;
O_READ <= 0;
O_READNEXT <= 0;
read_done <= 1;
channel_toggle<=1'b0;
end
endcase
end
else if (bits_per_sample != 16) begin
if(channel_toggle| !stereo)
W_SAMPL_L <= {I_DATA,I_DATA};
if(!channel_toggle| !stereo)
W_SAMPL_R <= {I_DATA,I_DATA};
read_done <= 1;
end
else if (!W_DMA_ADDR[0]) begin
W_SAMPL_LSB <= I_DATA;
O_READNEXT <= 1'b1;
end
else begin
if(channel_toggle| !stereo)
W_SAMPL_L <= {I_DATA,W_SAMPL_LSB};
if(!channel_toggle| !stereo)
W_SAMPL_R <= {I_DATA,W_SAMPL_LSB};
read_done <= 1;
end
W_DMA_ADDR <= W_DMA_ADDR + 1'd1;
end
if(read_done && ce_sample && !I_PAUSE) begin
read_done <= 0;
channel_toggle<=~channel_toggle;
W_DMA_EN <= ~(W_DMA_ADDR >= END_ADDR);
if (W_DMA_ADDR >= END_ADDR && I_LOOP) begin
W_DMA_EN <= 1'b1;
W_DMA_ADDR <= START_ADDR;
O_READ <= 1'b1;
end
else
O_READNEXT <= 1'b1;
end
end
if(I_RST || I_PAUSE || !W_DMA_EN) begin
W_SAMPL_L <= 0;
W_SAMPL_R <= 0;
end
end
assign O_ADDR = W_DMA_ADDR;
assign O_PCM_L = W_SAMPL_L;
assign O_PCM_R = W_SAMPL_R;
endmodule