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add tape out and midi out

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This commit is contained in:
Eugene Lozovoy
2024-09-18 19:12:14 +03:00
parent d35e1692eb
commit a718abd9eb
2 changed files with 31 additions and 6 deletions
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28
TSConf.sv
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@ -62,8 +62,7 @@ localparam VGA_BITS = 6;
localparam bit BIG_OSD = 1; localparam bit BIG_OSD = 1;
assign LED = ~ioctl_download & ~ioctl_upload & UART_TX & UART_RX; assign LED = ~ioctl_download & ~ioctl_upload & UART_RX;
assign UART_TX = 1'b1;
`include "build_id.v" `include "build_id.v"
@ -296,6 +295,7 @@ wire [7:0] R,G,B;
wire VS, HS; wire VS, HS;
wire [15:0] SOUND_L; wire [15:0] SOUND_L;
wire [15:0] SOUND_R; wire [15:0] SOUND_R;
wire tape_out, midi_out;
tsconf tsconf tsconf tsconf
( (
@ -332,6 +332,8 @@ tsconf tsconf
.WARM_RESET(buttons[1]), .WARM_RESET(buttons[1]),
.RTC(rtc), .RTC(rtc),
.TAPE_IN(UART_RX), .TAPE_IN(UART_RX),
.TAPE_OUT(tape_out),
.MIDI_OUT(midi_out),
.CFG_OUT0(st_out0), .CFG_OUT0(st_out0),
.CFG_60HZ(st_60hz), .CFG_60HZ(st_60hz),
@ -356,14 +358,32 @@ tsconf tsconf
); );
////////////////// UART_TX //////////////////
reg uart_tx = 1'b1;
reg tape_out_old = 1'b0;
reg midi_out_old = 1'b0;
always @(posedge clk_sys) begin
if (tape_out_old != tape_out) begin
tape_out_old <= tape_out;
uart_tx <= tape_out;
end
if (midi_out_old != midi_out) begin
midi_out_old <= midi_out;
uart_tx <= midi_out;
end
end
assign UART_TX = uart_tx;
////////////////// VIDEO ///////////////////
reg VSync, HSync; reg VSync, HSync;
always @(posedge clk_sys) begin always @(posedge clk_sys) begin
HSync <= HS; HSync <= HS;
if(~HSync & HS) VSync <= VS; if(~HSync & HS) VSync <= VS;
end end
////////////////// VIDEO ///////////////////
mist_video #(.COLOR_DEPTH(8), .SD_HCNT_WIDTH(11), .OUT_COLOR_DEPTH(VGA_BITS), .BIG_OSD(BIG_OSD)) mist_video ( mist_video #(.COLOR_DEPTH(8), .SD_HCNT_WIDTH(11), .OUT_COLOR_DEPTH(VGA_BITS), .BIG_OSD(BIG_OSD)) mist_video (
.clk_sys ( clk_sys ), .clk_sys ( clk_sys ),

9
rtl/tsconf.v
View File

@ -45,6 +45,8 @@ module tsconf
input WARM_RESET, input WARM_RESET,
input [64:0] RTC, input [64:0] RTC,
input TAPE_IN, input TAPE_IN,
output TAPE_OUT,
output MIDI_OUT,
// Configuration bits // Configuration bits
input CFG_OUT0, input CFG_OUT0,
@ -1014,6 +1016,8 @@ module tsconf
wire [11:0] ts_l, ts_r; wire [11:0] ts_l, ts_r;
wire [7:0] ts_do; wire [7:0] ts_do;
wire [7:0] ioa_out;
assign MIDI_OUT = ioa_out[2];
turbosound turbosound turbosound turbosound
( (
@ -1025,7 +1029,8 @@ module tsconf
.DI(d), .DI(d),
.DO(ts_do), .DO(ts_do),
.CHANNEL_L(ts_l), .CHANNEL_L(ts_l),
.CHANNEL_R(ts_r) .CHANNEL_R(ts_r),
.IOA_out(ioa_out)
); );
@ -1102,7 +1107,7 @@ module tsconf
// Beeper and Tape out // Beeper and Tape out
reg [7:0] port_xxfe_reg; reg [7:0] port_xxfe_reg;
always @(posedge fclk) if (beeper_wr) port_xxfe_reg <= d; always @(posedge fclk) if (beeper_wr) port_xxfe_reg <= d;
assign TAPE_OUT = port_xxfe_reg[3];
// Audio output // Audio output
wire [11:0] audio_l = ts_l + {gs_l[14], gs_l[14:4]} + {2'b00, covox_a, 2'b00} + {2'b00, covox_b, 2'b00} + {1'b0, saa_out_l, 3'b000} + {3'b000, port_xxfe_reg[4], 8'b00000000}; wire [11:0] audio_l = ts_l + {gs_l[14], gs_l[14:4]} + {2'b00, covox_a, 2'b00} + {2'b00, covox_b, 2'b00} + {1'b0, saa_out_l, 3'b000} + {3'b000, port_xxfe_reg[4], 8'b00000000};