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Only delay certain video modes when not Full-Speed. (Fixes #670)

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This commit is contained in:
tomcw 2019-07-27 19:59:45 +01:00
parent c03eb54103
commit 816dc77cb0
1 changed files with 3 additions and 1 deletions
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4
source/NTSC.cpp
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@ -1895,8 +1895,10 @@ void NTSC_SetVideoTextMode( int cols )
//===========================================================================
void NTSC_SetVideoMode( uint32_t uVideoModeFlags, bool bDelay/*=false*/ )
{
if (bDelay)
if (bDelay && !g_bFullSpeed)
{
// (GH#670) NB. if g_bFullSpeed then NTSC_VideoUpdateCycles() won't be called on the next 6502 opcode.
// - Instead it's called when !g_bFullSpeed (eg. drive motor off), then the stale g_uNewVideoModeFlags will get used for NTSC_SetVideoMode()!
g_bDelayVideoMode = true;
g_uNewVideoModeFlags = uVideoModeFlags;
return;