INES Mapper 006

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Mapper 6 is used for FFE disk images. That is, for ROM-images stored on floppy disks as used by old copiers from Front Fareast. Unlike normal ROM-images, these files are patched to work with the copier's mapping hardware. Portions of these patches are typically stored in the so-called "trainer" area of iNES files (the iNES "trainer" apparently being poor Japanese-to-English translation for "patch").

There are several FFE mapping variants: Mapper 6, Mapper 8, Mapper 12, and Mapper 17.

FCEUX ostensibly emulates this. As do most NES emulators.

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