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Match first VBlank timing to FCEUX 

Irrelevent to sync since games wait for VBlank anyway, but extremely convenient for testing.
This commit is contained in:
alyosha-tas 2016-10-05 22:26:47 -04:00 committed by GitHub
parent 3a36835af2
commit 4c919c95c0
1 changed files with 5 additions and 3 deletions
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8
BizHawk.Emulation.Cores/Consoles/Nintendo/NES/PPU.run.cs
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@ -641,13 +641,15 @@ namespace BizHawk.Emulation.Cores.Nintendo.NES
if (ppudead < 2)
{
ppur.status.sl = 241;
runppu(postNMIlines * kLineTime);
runppu(3);
//Reg2002_vblank_active = true;
runppu(3);
runppu(postNMIlines * kLineTime - 6);
ppur.status.sl = 0;
clear_2002();
//clear_2002();
}
runppu(241 * kLineTime);
runppu(preNMIlines * kLineTime);
Reg2002_vblank_active = true;
--ppudead;
}
}