MMC5 patch for Caltron 9-in-1

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MMC5 patch for Caltron 9-in-1

Post by NewRisingSun » Sat Nov 02, 2019 1:58 pm

I made a mapper 5 hack to run the recently-released Caltron 9-in-1 multicart ROM file on flash cartridges. I verified that it runs nicely on the Everdrive N8, and it has been reported that it runs on the PowerPak as well. I do not have the ability to try it on an MMC5 devcart.

I also noticed that FCEUX' MMC5 emulation incorrectly takes the PRG-ROM bank number in 32 KiB mode from $5115 instead of the correct $5117. As a result, I write the 32 KiB bank number to both for compatibility with FCEUX.
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