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1991-12-05
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601b
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35 lines
NCR 77C22E VGA
3C4h index 5 (R/W):
bit 0-7 0=Disable extensions, 1=Enable
3C4h index 18h (R/W):
bit 0-7 Bank no in 16Kbyte blocks.
3C4h index 10h and 19h used.
ID NCR VGA:
if isport($3c4,5,$ff) then
begin
portw[$3c4]:=5; {Lock extensions}
if not isport($3c4,$10,$ff) then
begin
portw[$3c4]:=$105;
if isport($3c4,$10,$ff) then NCR_VGA !!
Video Modes:
58h G 800 600 16 planar
5Ch G 800 600 256 packed
5Dh G 1024 768 16 planar
5Eh G 640 400 256 packed
5Fh G 640 480 256 packed