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Note that even with this applied (on my local fork), the output doesn't match BGB's. Implies timing errors, maybe tested by gekkio's ROMs. But that's a different problem.
The text was updated successfully, but these errors were encountered:
mGB does not prevent writes to VRAM during LCD Mode 3. (For some reason, OAM is properly locked out.)
gb/memory.c:242
return gb->video.vramBank[address & (GB_SIZE_VRAM_BANK0 - 1)];
This should be appended to
This needs to also be applied to lines 312-313 (blocking VRAM writes), and to gb/io.c, lines 491/492 and 500/501, peppering
(This blocks GBC palettes during Mode 3)
Example ROM, which exhibits this behavior: https://github.com/eevee/anise-cheezball-rising
Note that even with this applied (on my local fork), the output doesn't match BGB's. Implies timing errors, maybe tested by gekkio's ROMs. But that's a different problem.

The text was updated successfully, but these errors were encountered: