|Does any game use VRC4/6/7 cycle mode IRQs?
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|Author:||AWJ [ Mon May 29, 2017 11:12 pm ]|
|Post subject:||Does any game use VRC4/6/7 cycle mode IRQs?|
While working on that VRC2/4 submapper test ROM, I just noticed that FCEUX doesn't emulate the simple cycle-counting mode (without the 113 2/3 cycle divider) for any of VRC4, VRC6 or VRC7. Bit 0x04 of the relevant register is completely ignored. Also, an 8-bit cycle counter just doesn't seem very useful...
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