mirror of
https://github.com/UzixLS/TSConf_MiST.git
synced 2025-07-18 23:01:37 +03:00
417 lines
8.8 KiB
Systemverilog
417 lines
8.8 KiB
Systemverilog
//============================================================================
|
|
// TSConf for MiSTer
|
|
//
|
|
// Port to MiSTer
|
|
// Copyright (C) 2017-2019 Sorgelig
|
|
//
|
|
// This program 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 2 of the License, or (at your option)
|
|
// any later version.
|
|
//
|
|
// This program 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, write to the Free Software Foundation, Inc.,
|
|
// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
|
|
//============================================================================
|
|
|
|
module TSConf_top
|
|
(
|
|
input CLOCK_27,
|
|
|
|
output LED,
|
|
output [VGA_BITS-1:0] VGA_R,
|
|
output [VGA_BITS-1:0] VGA_G,
|
|
output [VGA_BITS-1:0] VGA_B,
|
|
output VGA_HS,
|
|
output VGA_VS,
|
|
|
|
input SPI_SCK,
|
|
inout SPI_DO,
|
|
input SPI_DI,
|
|
input SPI_SS2, // data_io
|
|
input SPI_SS3, // OSD
|
|
input CONF_DATA0, // SPI_SS for user_io
|
|
|
|
input SPI_SS4,
|
|
|
|
output [12:0] SDRAM_A,
|
|
inout [15:0] SDRAM_DQ,
|
|
output SDRAM_DQML,
|
|
output SDRAM_DQMH,
|
|
output SDRAM_nWE,
|
|
output SDRAM_nCAS,
|
|
output SDRAM_nRAS,
|
|
output SDRAM_nCS,
|
|
output [1:0] SDRAM_BA,
|
|
output SDRAM_CLK,
|
|
output SDRAM_CKE,
|
|
|
|
output AUDIO_L,
|
|
output AUDIO_R,
|
|
|
|
input UART_RX,
|
|
output UART_TX
|
|
);
|
|
|
|
localparam VGA_BITS = 6;
|
|
localparam bit BIG_OSD = 1;
|
|
|
|
|
|
assign LED = ~ioctl_download & ~ioctl_upload & UART_TX & UART_RX;
|
|
assign UART_TX = 1'b1;
|
|
|
|
|
|
`include "build_id.v"
|
|
localparam CONF_STR = {
|
|
"TSConf;;",
|
|
"O12,Scandoubler Fx,None,CRT 25%,CRT 50%,CRT 75%;",
|
|
"O4,Vsync,49 Hz,60 Hz;",
|
|
"O5,VDAC1,ON,OFF;",
|
|
"O6,CPU Type,CMOS,NMOS;",
|
|
"-;",
|
|
"R256,Save NVRAM settings;",
|
|
"T0,Reset;",
|
|
"V,v",`BUILD_DATE
|
|
};
|
|
|
|
wire st_reset = status[0];
|
|
wire [1:0] st_scanlines = status[2:1];
|
|
wire st_60hz = ~status[4];
|
|
wire st_vdac = ~status[5];
|
|
wire st_out0 = ~status[6];
|
|
|
|
|
|
//////////////////// CLOCKS ///////////////////
|
|
wire clk_sys;
|
|
wire clk_ram;
|
|
pll pll
|
|
(
|
|
.inclk0(CLOCK_27),
|
|
.c0(clk_ram),
|
|
.c1(clk_sys),
|
|
.locked()
|
|
);
|
|
|
|
altclkctrl
|
|
#(
|
|
.number_of_clocks(1),
|
|
.clock_type("External Clock Output"),
|
|
.ena_register_mode("none"),
|
|
.intended_device_family("Cyclone III")
|
|
)
|
|
altclkctrl
|
|
(
|
|
.inclk(clk_ram),
|
|
.outclk(SDRAM_CLK)
|
|
);
|
|
|
|
reg ce_28m;
|
|
always @(negedge clk_sys) begin
|
|
reg [1:0] div;
|
|
|
|
div <= div + 1'd1;
|
|
if(div == 2) div <= 0;
|
|
ce_28m <= !div;
|
|
end
|
|
|
|
|
|
////////////////// MIST ARM I/O ///////////////////
|
|
wire [7:0] joystick_0;
|
|
wire [7:0] joystick_1;
|
|
|
|
wire [1:0] buttons;
|
|
wire [1:0] switches;
|
|
wire scandoubler_disable;
|
|
wire ypbpr;
|
|
wire no_csync;
|
|
wire [63:0] status;
|
|
|
|
wire [63:0] rtc;
|
|
|
|
wire sd_busy_mmc;
|
|
wire sd_rd_mmc;
|
|
wire sd_wr_mmc;
|
|
wire [31:0] sd_lba_mmc;
|
|
wire [7:0] sd_buff_din_mmc;
|
|
|
|
wire [31:0] sd_lba = sd_lba_mmc;
|
|
wire [1:0] sd_rd = { 1'b0, sd_rd_mmc };
|
|
wire [1:0] sd_wr = { 1'b0, sd_wr_mmc };
|
|
|
|
wire sd_ack;
|
|
wire [8:0] sd_buff_addr;
|
|
wire [7:0] sd_buff_dout;
|
|
wire [7:0] sd_buff_din = sd_buff_din_mmc;
|
|
wire sd_buff_wr;
|
|
wire [1:0] img_mounted;
|
|
wire [63:0] img_size;
|
|
|
|
wire sd_ack_conf;
|
|
wire sd_conf;
|
|
wire sd_sdhc;
|
|
|
|
wire key_strobe;
|
|
wire key_pressed;
|
|
wire key_extended;
|
|
wire [7:0] key_code;
|
|
|
|
wire [8:0] mouse_x;
|
|
wire [8:0] mouse_y;
|
|
wire [7:0] mouse_flags;
|
|
wire mouse_strobe;
|
|
|
|
wire [24:0] ps2_mouse = { mouse_strobe_level, mouse_y[7:0], mouse_x[7:0], mouse_flags };
|
|
reg mouse_strobe_level;
|
|
always @(posedge clk_sys) if (mouse_strobe) mouse_strobe_level <= ~mouse_strobe_level;
|
|
|
|
user_io #(.STRLEN($size(CONF_STR)>>3), .SD_IMAGES(2), .FEATURES(32'h0 | (BIG_OSD << 13))) user_io
|
|
(
|
|
.clk_sys(clk_sys),
|
|
.clk_sd(clk_sys),
|
|
.conf_str(CONF_STR),
|
|
|
|
.SPI_CLK(SPI_SCK),
|
|
.SPI_SS_IO(CONF_DATA0),
|
|
.SPI_MOSI(SPI_DI),
|
|
.SPI_MISO(SPI_DO),
|
|
|
|
.img_mounted(img_mounted),
|
|
.img_size(img_size),
|
|
.sd_conf(sd_conf),
|
|
.sd_ack_conf(sd_ack_conf),
|
|
.sd_sdhc(sd_sdhc),
|
|
.sd_lba(sd_lba),
|
|
.sd_rd(sd_rd),
|
|
.sd_wr(sd_wr),
|
|
.sd_ack(sd_ack),
|
|
.sd_buff_addr(sd_buff_addr),
|
|
.sd_din(sd_buff_din),
|
|
.sd_dout(sd_buff_dout),
|
|
.sd_dout_strobe(sd_buff_wr),
|
|
|
|
.key_strobe(key_strobe),
|
|
.key_code(key_code),
|
|
.key_pressed(key_pressed),
|
|
.key_extended(key_extended),
|
|
|
|
.mouse_x(mouse_x),
|
|
.mouse_y(mouse_y),
|
|
.mouse_flags(mouse_flags),
|
|
.mouse_strobe(mouse_strobe),
|
|
|
|
.joystick_0(joystick_0),
|
|
.joystick_1(joystick_1),
|
|
|
|
.buttons(buttons),
|
|
.status(status),
|
|
.scandoubler_disable(scandoubler_disable),
|
|
.ypbpr(ypbpr),
|
|
.no_csync(no_csync),
|
|
.rtc(rtc)
|
|
);
|
|
|
|
wire ioctl_wr;
|
|
wire [24:0] ioctl_addr;
|
|
wire [7:0] ioctl_dout;
|
|
wire [7:0] ioctl_din;
|
|
wire ioctl_download;
|
|
wire ioctl_upload;
|
|
wire [5:0] ioctl_index;
|
|
wire [1:0] ioctl_ext_index;
|
|
|
|
data_io data_io
|
|
(
|
|
.clk_sys(clk_sys),
|
|
|
|
.SPI_SCK(SPI_SCK),
|
|
.SPI_SS2(SPI_SS2),
|
|
.SPI_DI(SPI_DI),
|
|
.SPI_DO(SPI_DO),
|
|
|
|
.clkref_n(1'b0),
|
|
.ioctl_wr(ioctl_wr),
|
|
.ioctl_addr(ioctl_addr),
|
|
.ioctl_dout(ioctl_dout),
|
|
.ioctl_din(ioctl_din),
|
|
.ioctl_download(ioctl_download),
|
|
.ioctl_upload(ioctl_upload),
|
|
.ioctl_index({ioctl_ext_index, ioctl_index})
|
|
);
|
|
|
|
|
|
reg init_reset = 1;
|
|
reg old_download;
|
|
always @(posedge clk_sys) begin
|
|
old_download <= ioctl_download;
|
|
if(ioctl_download) init_reset <= 1'b1;
|
|
if(old_download & ~ioctl_download) init_reset <= 0;
|
|
end
|
|
|
|
|
|
////////////////// SD ///////////////////
|
|
wire sdss;
|
|
wire sdclk;
|
|
wire sdmiso;
|
|
wire sdmosi;
|
|
sd_card sd_card
|
|
(
|
|
.clk_sys(clk_sys),
|
|
.img_mounted(img_mounted[0]), //first slot for SD-card emulation
|
|
.img_size(img_size),
|
|
.sd_busy(sd_busy_mmc),
|
|
.sd_rd(sd_rd_mmc),
|
|
.sd_wr(sd_wr_mmc),
|
|
.sd_lba(sd_lba_mmc),
|
|
|
|
.sd_buff_din(sd_buff_din_mmc),
|
|
.sd_buff_dout(sd_buff_dout),
|
|
.sd_buff_wr(sd_buff_wr),
|
|
.sd_buff_addr(sd_buff_addr),
|
|
|
|
.sd_ack(sd_ack),
|
|
.sd_ack_conf(sd_ack_conf),
|
|
|
|
.allow_sdhc(1),
|
|
.sd_sdhc(sd_sdhc),
|
|
.sd_conf(sd_conf),
|
|
|
|
.sd_cs(sdss),
|
|
.sd_sck(sdclk),
|
|
.sd_sdi(sdmosi),
|
|
.sd_sdo(sdmiso)
|
|
);
|
|
|
|
|
|
//////////////////// MAIN //////////////////////
|
|
wire [7:0] R,G,B;
|
|
wire VS, HS;
|
|
wire [15:0] SOUND_L;
|
|
wire [15:0] SOUND_R;
|
|
|
|
tsconf tsconf
|
|
(
|
|
.clk(clk_sys),
|
|
.ce(ce_28m),
|
|
|
|
.SDRAM_DQ(SDRAM_DQ),
|
|
.SDRAM_A(SDRAM_A),
|
|
.SDRAM_BA(SDRAM_BA),
|
|
.SDRAM_DQML(SDRAM_DQML),
|
|
.SDRAM_DQMH(SDRAM_DQMH),
|
|
.SDRAM_nWE(SDRAM_nWE),
|
|
.SDRAM_nCAS(SDRAM_nCAS),
|
|
.SDRAM_nRAS(SDRAM_nRAS),
|
|
.SDRAM_CKE(SDRAM_CKE),
|
|
.SDRAM_nCS(SDRAM_nCS),
|
|
// .SDRAM_CLK(SDRAM_CLK),
|
|
|
|
.VRED(R),
|
|
.VGRN(G),
|
|
.VBLU(B),
|
|
.VHSYNC(HS),
|
|
.VVSYNC(VS),
|
|
|
|
.SD_SO(sdmiso),
|
|
.SD_SI(sdmosi),
|
|
.SD_CLK(sdclk),
|
|
.SD_CS_N(sdss),
|
|
|
|
.SOUND_L(SOUND_L),
|
|
.SOUND_R(SOUND_R),
|
|
|
|
.COLD_RESET(init_reset | st_reset),
|
|
.WARM_RESET(buttons[1]),
|
|
.RTC(rtc),
|
|
.TAPE_IN(UART_RX),
|
|
|
|
.CFG_OUT0(st_out0),
|
|
.CFG_60HZ(st_60hz),
|
|
.CFG_SCANDOUBLER(1'b0),
|
|
.CFG_VDAC(st_vdac),
|
|
|
|
.PS2_KEY({key_strobe,key_pressed,key_extended,key_code}),
|
|
.PS2_MOUSE(ps2_mouse),
|
|
.JOYSTICK(joystick_0 | joystick_1),
|
|
|
|
.loader_act(ioctl_download),
|
|
.loader_addr(ioctl_addr[15:0]),
|
|
.loader_do(ioctl_dout),
|
|
.loader_di(ioctl_din),
|
|
.loader_wr_rom(ioctl_wr && ioctl_download && !ioctl_index && !ioctl_addr[24:16]),
|
|
.loader_wr_cmos(ioctl_wr && ioctl_download && ioctl_index == 6'h3f)
|
|
);
|
|
|
|
|
|
reg VSync, HSync;
|
|
always @(posedge clk_sys) begin
|
|
HSync <= HS;
|
|
if(~HSync & HS) VSync <= VS;
|
|
end
|
|
|
|
|
|
////////////////// 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 ),
|
|
|
|
// OSD SPI interface
|
|
.SPI_SCK ( SPI_SCK ),
|
|
.SPI_SS3 ( SPI_SS3 ),
|
|
.SPI_DI ( SPI_DI ),
|
|
|
|
// scanlines (00-none 01-25% 10-50% 11-75%)
|
|
.scanlines ( st_scanlines ),
|
|
|
|
// non-scandoubled pixel clock divider 0 - clk_sys/4, 1 - clk_sys/2
|
|
.ce_divider ( 3'd2 ),
|
|
|
|
// 0 = HVSync 31KHz, 1 = CSync 15KHz
|
|
.scandoubler_disable ( scandoubler_disable ),
|
|
// disable csync without scandoubler
|
|
.no_csync ( no_csync ),
|
|
// YPbPr always uses composite sync
|
|
.ypbpr ( ypbpr ),
|
|
// Rotate OSD [0] - rotate [1] - left or right
|
|
.rotate ( 2'b00 ),
|
|
// composite-like blending
|
|
.blend ( 1'b0 ),
|
|
|
|
// video in
|
|
.R ( R ),
|
|
.G ( G ),
|
|
.B ( B ),
|
|
|
|
.HSync ( HSync ),
|
|
.VSync ( VSync ),
|
|
|
|
// MiST video output signals
|
|
.VGA_R ( VGA_R ),
|
|
.VGA_G ( VGA_G ),
|
|
.VGA_B ( VGA_B ),
|
|
.VGA_VS ( VGA_VS ),
|
|
.VGA_HS ( VGA_HS )
|
|
);
|
|
|
|
|
|
////////////////// SOUND ///////////////////
|
|
dac #(.C_bits(16)) dac_l (
|
|
.clk_i(clk_sys),
|
|
.res_n_i(~init_reset),
|
|
.dac_i(SOUND_L),
|
|
.dac_o(AUDIO_L)
|
|
);
|
|
|
|
dac #(.C_bits(16)) dac_r (
|
|
.clk_i(clk_sys),
|
|
.res_n_i(~init_reset),
|
|
.dac_i(SOUND_R),
|
|
.dac_o(AUDIO_R)
|
|
);
|
|
|
|
|
|
endmodule
|