MMC3

Discuss emulation of the Nintendo Entertainment System and Famicom.

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MMC3

Post by Guest » Mon Apr 18, 2005 1:23 pm

$3000-$3EFF is mapped to $2000-$2EFF.
Does this mapping occur before the signal reaches the MMC3? Would it be possible to trigger an IRQ by accessing $2xxx/$3xxx?

Guest

Post by Guest » Fri Apr 29, 2005 4:39 pm

bump?

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Memblers
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Post by Memblers » Fri Apr 29, 2005 4:54 pm

Yes, I believe it would. Since it toggles CHR-A12. But I don't know for sure, I haven't tried that.

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