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Update CS.v

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This commit is contained in:
Zane Kaminski 2023-04-01 05:46:15 -04:00
parent 34259dd51c
commit 49783132ce
1 changed files with 1 additions and 1 deletions
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cpld/CS.v
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@ -19,7 +19,7 @@ module CS(
/* Select signals - FSB domain */
assign RAMCS = (A[23:22]==2'b00) && !Overlay; // 000000-3FFFFF when overlay disabled
wire VidRAMCSWR64k = RAMCS && (A[21:20]==2'h3) && (A[19:16]==4'hF) && ~nWE; // 3F0000-3FFFFF / 7F0000-7FFFFF
wire VidRAMCSWR64k = RAMCS && !nWE && (A[21:20]==2'h3) && (A[19:16]==4'hF); // 3F0000-3FFFFF / 7F0000-7FFFFF
wire VidRAMCSWR = VidRAMCSWR64k && (
(A[15:12]==4'h2) || // 1792 bytes RAM, 2304 bytes video
(A[15:12]==4'h3) || // 4096 bytes video