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92e4ab8937
ROMs with specific names such as tandy.rom and pcxt.rom are no longer required in games/PCXT folder, but must initially be provided from the BIOS section of the OSD menu.
40 lines
527 B
Verilog
40 lines
527 B
Verilog
module bios(
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input clka,
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input ena,
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input wea,
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input [16:0] addra,
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input [7:0] dina,
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output reg [7:0] douta
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);
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reg [7:0] bios[131071:0];
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always @(posedge clka)
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if (ena)
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if (wea)
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bios[addra] <= dina;
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else
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douta <= bios[addra];
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endmodule
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module xtide(
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input clka,
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input ena,
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input wea,
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input [13:0] addra,
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input [7:0] dina,
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output reg [7:0] douta
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);
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reg [7:0] bios[16383:0];
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always @(posedge clka)
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if (ena)
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if (wea)
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bios[addra] <= dina;
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else
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douta <= bios[addra];
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endmodule |