uzix/TSConf_MiST
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Some cleanup.

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This commit is contained in:
sorgelig
2018-08-20 18:59:20 +08:00
parent 6502164af1
commit 7d7901932f
4 changed files with 186 additions and 278 deletions
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54
src/tsconf.v
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@ -296,7 +296,6 @@ wire [7:0] mouse_do;
clock TS01
(
.clk(clk_28mhz),
.ay_mod(0),
.f0(f0),
.f1(f1),
.h0(h0),
@ -304,8 +303,7 @@ clock TS01
.c0(c0),
.c1(c1),
.c2(c2),
.c3(c3),
.ce_saa(ce_saa)
.c3(c3)
);
zclock TS02
@ -330,11 +328,11 @@ T80s #(.mode(0), .t2write(1), .iowait(1)) z80_unit
(
.reset_n((~reset)),
.clk_n(zclk),
.cen(1'b1),
.wait_n(1'b1),
.cen(1),
.wait_n(1),
.int_n(cpu_int_n_TS),
.nmi_n(1'b1),
.busrq_n(1'b1),
.nmi_n(1),
.busrq_n(1),
.m1_n(cpu_m1_n),
.mreq_n(cpu_mreq_n),
.iorq_n(cpu_iorq_n),
@ -438,12 +436,12 @@ zports TS05
.vdos_on(vdos_on),
.vdos_off(vdos_off),
.rstrom(2'b11),
.tape_read(1'b1),
.tape_read(1),
.keys_in(kb_do_bus), // keys (port FE)
.mus_in(mouse_do), // mouse (xxDF)
.kj_in(joystick),
.vg_intrq(1'b0),
.vg_drq(1'b0), // from vg93 module - drq + irq read
.vg_intrq(0),
.vg_drq(0), // from vg93 module - drq + irq read
.sdcs_n(SD_CS_N), // to SD card
.sd_start(cpu_spi_req), // to SPI
.sd_datain(cpu_spi_din), // to SPI(7 downto 0);
@ -453,7 +451,7 @@ zports TS05
.com_data_rx(8'b00000000), //uart_do_bus,
.com_status(8'b10010000), //'1' & uart_tx_empty & uart_tx_fifo_empty & "1000" & uart_rx_avail,
//com_status=> '0' & uart_tx_empty & uart_tx_fifo_empty & "0000" & '1',
.lock_conf(1'b1)
.lock_conf(1)
);
zmem TS06
@ -495,8 +493,8 @@ zmem TS06
.cpu_latch(cpu_latch),
.cpu_stall(cpu_stall), // for Zclock if HI-> STALL (ZCLK)
.loader(0), // ROM for loader active
.testkey(1'b1),
.intt(1'b0)
.testkey(1),
.intt(0)
);
arbiter TS07
@ -665,8 +663,7 @@ zmaps TS10
.cram_we(cram_we),
.sfile_we(sfile_we)
);
spi TS11
(
.clk(clk_28mhz),
@ -680,7 +677,7 @@ spi TS11
.cpu_req(cpu_spi_req),
.cpu_din(cpu_spi_din),
.dout(spi_dout),
.speed(2'b00)
.speed(0)
);
zint TS13
@ -738,7 +735,7 @@ sdram SE4
// PS/2 Keyboard
wire [4:0] kb_do_bus;
wire [4:0] kb_f_bus;
wire key_reset;
wire [7:0] key_scancode;
keyboard SE5
@ -747,7 +744,7 @@ keyboard SE5
.reset(COLD_RESET | WARM_RESET),
.a(cpu_a_bus[15:8]),
.keyb(kb_do_bus),
.keyf(kb_f_bus),
.KEY_RESET(key_reset),
.scancode(key_scancode),
.ps2_key(PS2_KEY)
);
@ -784,7 +781,7 @@ mc146818a SE9
.reset(reset),
.clk(clk_28mhz),
.ena(ena_0_4375mhz),
.cs(1'b1),
.cs(1),
.keyscancode(key_scancode),
.rtc(RTC),
.cmoscfg(CMOSCfg),
@ -805,7 +802,7 @@ soundrive SE10
(
.reset(reset),
.clk(clk_28mhz),
.cs(1'b1),
.cs(1),
.wr_n(cpu_wr_n),
.a(cpu_a_bus[7:0]),
.di(cpu_do_bus),
@ -891,15 +888,24 @@ gs #("src/sound/gs105b.mif") U15
// SAA1099
wire [7:0] saa_out_l;
wire [7:0] saa_out_r;
wire ce_saa;
wire saa_wr_n = ~cpu_iorq_n && ~cpu_wr_n && cpu_a_bus[7:0] == 8'hFF && ~dos;
reg ce_saa;
always @(posedge clk_28mhz) begin
reg [2:0] div;
div <= div + 1'd1;
if(div == 6) div <= 0;
ce_saa <= (div == 0 || div == 3);
end
saa1099 U16
(
.clk_sys(clk_28mhz),
.ce(ce_saa),
.rst_n((~reset)),
.cs_n(1'b0),
.rst_n(~reset),
.cs_n(0),
.a0(cpu_a_bus[8]), // 0=data, 1=address
.wr_n(saa_wr_n),
.din(cpu_do_bus),
@ -921,7 +927,7 @@ compressor compressor
//-----------------------------------------------------------------------------
// Global
//-----------------------------------------------------------------------------
wire reset = COLD_RESET | WARM_RESET | kb_f_bus[1]; // Reset
wire reset = COLD_RESET | WARM_RESET | key_reset;
assign RESET_OUT = reset;
// CPU interface