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ExpressRaider: delay color data the same amount as pixel data

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This commit is contained in:
Gyorgy Szombathelyi
2023-04-05 10:38:57 +02:00
parent 89b5e8c56d
commit e868013e34
1 changed files with 4 additions and 1 deletions
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5
Arcade_MiST/Data East Express Raider/rtl/video/video.v
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@@ -243,13 +243,14 @@ end
wire [2:0] fg;
reg [7:0] cdata;
reg cdata_d, cdata_l;
reg [7:0] char_data_l;
reg [9:0] mapad, mapad2;
assign vram_addr = { 1'b1, hcount[2], vcount[7:3], hcount[7:3] };
assign char_rom_addr = { hcount[2], mapad[9:8], mapad2[7:0], vcount[2:0] };
assign fg = {
cdata[4],
cdata_l,
char_data_l[4+(2'b11^hcount[1:0])],
char_data_l[2'b11^hcount[1:0]]
};
@@ -259,10 +260,12 @@ always @(posedge clk_sys) begin
if (ce_pix) begin
if (hcount[2:0] == 3'b111) cdata <= vram_q;
if (hcount[2:0] == 3'b011) begin
cdata_d <= cdata[4];
mapad <= { cdata[1:0], vram_q };
mapad2 <= mapad;
end
if (hcount[1:0] == 2'b11) begin
cdata_l <= cdata_d;
char_data_l <= char_data;
end
end