uzix/TSConf_MiST
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Improve General Sound. Use up to 4MB of RAM.

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This commit is contained in:
sorgelig
2018-08-19 23:31:07 +08:00
parent 412901568b
commit 550ee59c7e
12 changed files with 1960 additions and 29466 deletions
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48
TSConf.sv
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@ -97,8 +97,6 @@ module emu
output SDRAM_nWE
);
assign {DDRAM_CLK, DDRAM_BURSTCNT, DDRAM_ADDR, DDRAM_DIN, DDRAM_BE, DDRAM_RD, DDRAM_WE} = '0;
assign LED_USER = vsd_sel & sd_act;
assign LED_DISK = {1'b1, ~vsd_sel & sd_act};
assign LED_POWER = 0;
@ -112,7 +110,7 @@ localparam CONF_STR = {
"O5,Aspect ratio,4:3,16:9;",
"O12,Scandoubler Fx,None,HQ2x,CRT 25%,CRT 50%;",
"O34,Stereo mix,None,25%,50%,100%;",
"OS,General Sound,Enabled,Disabled;",
"OST,General Sound,512KB,1MB,2MB,4MB;",
"-;",
"O67,CPU Speed,3.5MHz,7MHz,14MHz;",
"O8,CPU Cache,On,Off;",
@ -264,10 +262,16 @@ tsconf tsconf
.SD_CLK(sdclk),
.SD_CS_N(sdss),
.GS_ENA(~status[28]),
.GS_ENA(1),
.GS_ADDR(gs_mem_addr),
.GS_DI(gs_mem_din),
.GS_DO(gs_mem_dout | gs_mem_mask),
.GS_RD(gs_mem_rd),
.GS_WR(gs_mem_wr),
.GS_WAIT(~gs_mem_ready),
.SOUND_L(AUDIO_L),
.SOUND_R(AUDIO_R),
.COLD_RESET(RESET | status[0]),
.WARM_RESET(buttons[1]),
.RESET_OUT(reset),
@ -280,7 +284,39 @@ tsconf tsconf
.joystick(joy_0[5:0] | joy_1[5:0])
);
assign AUDIO_S = 0;
assign DDRAM_CLK = clk_mem;
wire [21:0] gs_mem_addr;
wire [7:0] gs_mem_dout;
wire [7:0] gs_mem_din;
wire gs_mem_rd;
wire gs_mem_wr;
wire gs_mem_ready;
reg [7:0] gs_mem_mask;
always_comb begin
gs_mem_mask = 0;
case(status[29:28])
0: if(gs_mem_addr[21:19]) gs_mem_mask = 8'hFF;
1: if(gs_mem_addr[21:20]) gs_mem_mask = 8'hFF;
2: if(gs_mem_addr[21] ) gs_mem_mask = 8'hFF;
3: gs_mem_mask = 0;
endcase
end
ddram ddram
(
.*,
.addr(gs_mem_addr),
.dout(gs_mem_dout),
.din(gs_mem_din),
.we(gs_mem_wr),
.rd(gs_mem_rd),
.ready(gs_mem_ready)
);
assign AUDIO_S = 1;
assign AUDIO_MIX = status[4:3];
reg ce_pix;