daffy duck irq non-reschedule

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lacastri 2018-09-08 18:49:42 -05:00 committed by GitHub
parent 0a878697ed
commit 2142282f69
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1 changed files with 2 additions and 1 deletions

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@ -1566,7 +1566,8 @@ void S9xSetCPU (uint8 Byte, uint16 Address)
CPU.IRQTransition = FALSE; CPU.IRQTransition = FALSE;
} }
S9xUpdateIRQPositions(false); if ((Byte & 0x30) != (Memory.FillRAM[0x4200] & 0x30))
S9xUpdateIRQPositions(false);
// NMI can trigger immediately during VBlank as long as NMI_read ($4210) wasn't cleard. // NMI can trigger immediately during VBlank as long as NMI_read ($4210) wasn't cleard.
if ((Byte & 0x80) && !(Memory.FillRAM[0x4200] & 0x80) && if ((Byte & 0x80) && !(Memory.FillRAM[0x4200] & 0x80) &&