Test for mapper 78 (Uchuusen, Holy Diver)

Discuss emulation of the Nintendo Entertainment System and Famicom.

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tepples
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Test for mapper 78 (Uchuusen, Holy Diver)

Post by tepples » Sun Nov 19, 2017 10:42 pm

Both the Uchuusen Cosmo Carrier board and the Holy Diver board are mapper 78, with the submapper field of the NES 2.0 header choosing which mirroring type to use. Can your emulator tell the boards apart? FCEUX and PowerPak just assume everything is Uchuusen. FCEUX sees submapper 3 in the header but doesn't do anything with it. Mesen can tell the difference though.

Time to bug some emulator authors:
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test78-0.01.zip
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