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VBlank tweaks:

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. Removed NTSC_VideoVbl(), since it's not accurate during full-speed. (Nothing was using it)
. Renamed VideoGetVbl() to VideoGetVblBar()
. Correctly pass Vbl (not VblBar) to Mouse's SetVBlank()
This commit is contained in:
tomcw
2016-11-16 11:18:41 +00:00
parent 002af587d4
commit 8447a22942
5 changed files with 12 additions and 11 deletions
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source/Video.cpp
+4 -4
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@@ -883,10 +883,10 @@ BYTE VideoCheckMode (WORD, WORD address, BYTE, BYTE, ULONG uExecutedCycles)
BYTE VideoCheckVbl ( ULONG uExecutedCycles )
{
bool bVblBar = VideoGetVbl(uExecutedCycles);
bool bVblBar = VideoGetVblBar(uExecutedCycles);
// NTSC: It is tempting to replace with
// bool bVblBar = NTSC_VideoIsVbl();
// But this breaks "ANSI STORY" intro center fade
// bool bVblBar = !NTSC_VideoIsVbl();
// But during full-speed, the NTSC video-scanner is not updated, so video-dependent code can hang
BYTE r = KeybGetKeycode();
return (r & ~0x80) | (bVblBar ? 0x80 : 0);
@@ -1550,7 +1550,7 @@ WORD VideoGetScannerAddress(bool* pbVblBar_OUT, const DWORD uExecutedCycles)
//===========================================================================
// Derived from VideoGetScannerAddress()
bool VideoGetVbl(const DWORD uExecutedCycles)
bool VideoGetVblBar(const DWORD uExecutedCycles)
{
// get video scanner position
//