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Merge pull request #83 from MiSTer-devel/main

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MiSTer-devel updates
This commit is contained in:
Aitor Gómez
2022-12-02 07:41:42 +01:00
committed by GitHub
parent 077f356e92 10883af459
commit ea56371fc9
6 changed files with 35 additions and 34 deletions
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2
SW/splash.txt
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@@ -5,7 +5,7 @@
(_()((_|(_|_)) (_(_())/((_|()\ (_)) )\_____((_)(_(_())
| \/ |(_) __||_ _(_)) ((_) | _ ((/ __\ \/ /|_ _|
| |\/| || \__ \ | | / -_)| '_| | _/| (__ > < | |
|_| |_||_|___/ |_| \___||_| |_| \___/_/\_\ |_| 01/12/2022
|_| |_||_|___/ |_| \___||_| |_| \___/_/\_\ |_| 02/12/2022
Port by @spark2k06

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hdd/GET_RTC.EXE
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releases/PCXT_20221201.rbf
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releases/PCXT_20221202.rbf Normal file
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65
rtl/KFPC-XT/HDL/Peripherals.sv
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@@ -184,42 +184,43 @@ module PERIPHERALS #(
end
end
assign dma_chip_select_n = chip_select_n[0]; // 0x00 .. 0x1F
wire interrupt_chip_select_n = chip_select_n[1]; // 0x20 .. 0x3F
wire timer_chip_select_n = chip_select_n[2]; // 0x40 .. 0x5F
wire ppi_chip_select_n = chip_select_n[3]; // 0x60 .. 0x7F
assign dma_page_chip_select_n = chip_select_n[4]; // 0x80 .. 0x9F
wire nmi_chip_select_n = chip_select_n[5]; // 0xA0 .. 0xBF
wire tandy_chip_select_n = chip_select_n[6]; // 0xC0 .. 0xDF
wire ide0_chip_select_n = ~(~address_enable_n && ({address[15:4], 4'd0} == 16'h0300));
wire floppy0_chip_select_n = ~(~address_enable_n && (({address[15:2], 2'd0} == 16'h03F0) || ({address[15:1], 1'd0} == 16'h03F4) || ({address[15:0]} == 16'h03F7)));
wire memrq = ~memory_read_n | ~memory_write_n;
wire iorq = ~io_read_n | ~io_write_n;
wire joystick_select = (~address_enable_n && address[15:3] == (16'h0200 >> 3)); // 0x200 .. 0x207
wire nmi_mask_register = (tandy_video && ~nmi_chip_select_n);
assign dma_chip_select_n = ~(iorq && ~chip_select_n[0]); // 0x00 .. 0x1F
wire interrupt_chip_select_n = ~(iorq && ~chip_select_n[1]); // 0x20 .. 0x3F
wire timer_chip_select_n = ~(iorq && ~chip_select_n[2]); // 0x40 .. 0x5F
wire ppi_chip_select_n = ~(iorq && ~chip_select_n[3]); // 0x60 .. 0x7F
assign dma_page_chip_select_n = ~(iorq && ~chip_select_n[4]); // 0x80 .. 0x8F
wire nmi_chip_select_n = ~(iorq && ~chip_select_n[5]); // 0xA0 .. 0xBF
wire tandy_chip_select_n = ~(tandy_video &&
iorq && ~chip_select_n[6]); // 0xC0 .. 0xDF
wire video_mem_select = (tandy_video && memrq && ~address_enable_n & (address[19:17] == nmi_mask_register_data[3:1])); // 128KB
wire cga_mem_select = (memrq && ~address_enable_n && enable_cga & (address[19:15] == 5'b10111)); // B8000 - BFFFF (16 KB / 32 KB)
wire mda_mem_select = (memrq && ~address_enable_n && enable_mda & (address[19:15] == 6'b10110)); // B0000 - B7FFF (8 repeated blocks of 4Kb)
wire ide0_chip_select_n = ~(iorq && ~address_enable_n && ({address[15:4], 4'd0} == 16'h0300));
wire floppy0_chip_select_n = ~(iorq && ~address_enable_n && (({address[15:2], 2'd0} == 16'h03F0) || ({address[15:1], 1'd0} == 16'h03F4) || ({address[15:0]} == 16'h03F7)));
wire joystick_select = (iorq && ~address_enable_n && address[15:3] == (16'h0200 >> 3)); // 0x200 .. 0x207
wire nmi_mask_register = (tandy_video && ~nmi_chip_select_n);
wire video_mem_select = (tandy_video && ~iorq && ~address_enable_n & (address[19:17] == nmi_mask_register_data[3:1])); // 128KB
wire cga_mem_select = (~iorq && ~address_enable_n && enable_cga & (address[19:15] == 5'b10111)); // B8000 - BFFFF (16 KB / 32 KB)
wire mda_mem_select = (~iorq && ~address_enable_n && enable_mda & (address[19:15] == 6'b10110)); // B0000 - B7FFF (8 repeated blocks of 4Kb)
wire opl_388_chip_select = (~address_enable_n && ~opl2_io[1] && address[15:1] == (16'h0388 >> 1)); // 0x388 .. 0x389 (Adlib)
wire opl_228_chip_select = (~address_enable_n && (opl2_io == 2'b01) && address[15:1] == (16'h0228 >> 1)); // 0x228 .. 0x229 (Sound Blaster FM)
wire cms_220_chip_select = (~address_enable_n && address[15:4] == (16'h0220 >> 4)); // 0x220 .. 0x22F (C/MS Audio)
wire uart_chip_select = (~address_enable_n && {address[15:3], 3'd0} == 16'h03F8);
wire uart2_chip_select = (~address_enable_n && {address[15:3], 3'd0} == 16'h02F8);
wire lpt_chip_select = (~address_enable_n && address[15:0] == 16'h0378);
wire tandy_page_chip_select = (~address_enable_n && address[15:0] == 16'h03DF);
wire xtctl_chip_select = (~address_enable_n && address[15:0] == 16'h8888);
wire rtc_chip_select = (~address_enable_n && address[15:1] == (16'h0240 >> 1)); // 0x240 .. 0x241
wire opl_388_chip_select = (iorq && ~address_enable_n && ~opl2_io[1] && address[15:1] == (16'h0388 >> 1)); // 0x388 .. 0x389 (Adlib)
wire opl_228_chip_select = (iorq && ~address_enable_n && (opl2_io == 2'b01) && address[15:1] == (16'h0228 >> 1)); // 0x228 .. 0x229 (Sound Blaster FM)
wire cms_220_chip_select = (iorq && ~address_enable_n && address[15:4] == (16'h0220 >> 4)); // 0x220 .. 0x22F (C/MS Audio)
wire uart_chip_select = (~address_enable_n && {address[15:3], 3'd0} == 16'h03F8);
wire uart2_chip_select = (~address_enable_n && {address[15:3], 3'd0} == 16'h02F8);
wire lpt_chip_select = (iorq && ~address_enable_n && address[15:0] == 16'h0378);
wire tandy_page_chip_select = (tandy_video && iorq && ~address_enable_n && address[15:0] == 16'h03DF);
wire xtctl_chip_select = (iorq && ~address_enable_n && address[15:0] == 16'h8888);
wire rtc_chip_select = (iorq && ~address_enable_n && address[15:1] == (16'h02C0 >> 1)); // 0x2C0 .. 0x2C1
wire [3:0] ems_page_address = (ems_address == 2'b00) ? 4'b1100 : (ems_address == 2'b01) ? 4'b1101 : 4'b1110;
wire ems_chip_select = (~address_enable_n && ems_enabled && ({address[15:2], 2'd0} == 16'h0260)); // 260h..263h
assign ems_b1 = (memrq && ena_ems[0] && (address[19:14] == {ems_page_address, 2'b00})); // C0000h - D0000h - E0000h
assign ems_b2 = (memrq && ena_ems[1] && (address[19:14] == {ems_page_address, 2'b01})); // C4000h - D4000h - E4000h
assign ems_b3 = (memrq && ena_ems[2] && (address[19:14] == {ems_page_address, 2'b10})); // C8000h - D8000h - E8000h
assign ems_b4 = (memrq && ena_ems[3] && (address[19:14] == {ems_page_address, 2'b11})); // CC000h - DC000h - EC000h
wire [3:0] ems_page_address = (ems_address == 2'b00) ? 4'b1100 : (ems_address == 2'b01) ? 4'b1101 : 4'b1110;
wire ems_chip_select = (iorq && ~address_enable_n && ems_enabled && ({address[15:2], 2'd0} == 16'h0260)); // 260h..263h
assign ems_b1 = (~iorq && ena_ems[0] && (address[19:14] == {ems_page_address, 2'b00})); // C0000h - D0000h - E0000h
assign ems_b2 = (~iorq && ena_ems[1] && (address[19:14] == {ems_page_address, 2'b01})); // C4000h - D4000h - E4000h
assign ems_b3 = (~iorq && ena_ems[2] && (address[19:14] == {ems_page_address, 2'b10})); // C8000h - D8000h - E8000h
assign ems_b4 = (~iorq && ena_ems[3] && (address[19:14] == {ems_page_address, 2'b11})); // CC000h - DC000h - EC000h
logic [1:0] ems_access_address;
logic ems_write_enable;

2
rtl/video/splash.hex
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