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devinacker / bsnes-plus

debug-oriented fork of bsnes
http://bsnes.revenant1.net
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256kb BWRAM #269

Closed spannerisms closed 3 years ago

spannerisms commented 4 years ago

Currently, there seems to be some sort of %256 going on that prevents bsnes+ from creating 256kb .srm files. Setting $FFD8 to 7 works fine, giving 128k .srm, but writing 8 creates no .srm file and makes pages $40-$4F behave like open bus.

devinacker commented 3 years ago

The heuristics used for ROM headers only read the lowest 3 bits of the RAM size value (0-7), since that's what actual production cartridges were limited to. I suppose upstream bsnes does actually support using a value of 8, though. I'll backport that shortly.