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AppleWin
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Drol, and Karateka fixes/notes, until the Floating-Bus code is in.

This commit is contained in:
mpohoreski 2006-02-28 18:38:57 +00:00
parent cd246a0955
commit ad1749999d
1 changed files with 9 additions and 2 deletions
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11
AppleWin/source/Video.cpp
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@ -1200,7 +1200,7 @@ void VideoCheckPage (BOOL force) {
BYTE __stdcall VideoCheckVbl (WORD, BYTE, BYTE, BYTE, ULONG)
{
/*
// Drol Hangs when finished
// Drol expects = 80
68DE A5 02 LDX #02
68E0 AD 50 C0 LDA TXTCLR
68E3 C9 80 CMP #80
@ -1215,9 +1215,16 @@ BYTE __stdcall VideoCheckVbl (WORD, BYTE, BYTE, BYTE, ULONG)
69D5 AD 50 C0 LDA TXTCLR
69D8 C9 80 CMP #80
69DA D0 F7 BNE $68DE
// Karateka expects < 80
// Returns 00 or FF on Apple ][
07DE AD 19 C0 LDA RDVBLBAR
07E1 30 FB BMI $7DE
*/
// return MemReturnRandomData(dwVBlCounter <= nVBlStop_NTSC);
if (dwVBlCounter <= nVBlStop_NTSC)
return MemReturnRandomData(dwVBlCounter <= nVBlStop_NTSC);
return 0x00;
else
return 0x80;
}