This is another one where I was using TheFox's alternative mapper 2 because the official mapper only supports up to 256k PRG.
So, this one will support up to 512k PRG. Good for Battle Kid 2, Owlia, Alwa's Awakening, etc. and allows game genie instead of TheFox's save state menu.
Download:
...not to be confused with "UNROM 512".
Edit: updated with support for 4-screen nametables.
PowerPak oversize UxROM mapper
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- rainwarrior
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