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https://youtu.be/-l6dmwa_1PA
Five Kids fix
It has been noted before that Five Kids runs glitchy both on the 120-in-1
multicart as well as in the downloadable WXN stand-alone version. The reason
for the glitches is that both versions write to VT02-only bankswitch
registers in their IRQ handler. The effect of these bankswitch writes can be
replicated by writing to the appropriate MMC3 bankswitch registers. Such a
thing can be either done by the emulator, or by modifying the ROM image
itself.
Attached find my modification of the WXN version, which now runs well in all
emulators that I have tried. (I have not played past the first level.) If
somebody else has already made a similiar patch, then I have not found it.