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Author SHA1 Message Date
David Anderson b46d70fa07 vram/VRAMCore: cycle using prime numbers in tests 
VRAMs are powers of two, so if memory wiring is wrong and we end up
with ram blocks mirrored at several points in the address space, we
want a write pattern that doesn't repeat cleanly on power of two
blocks. That way, a mirrored memory block cannot contain values that
are valid for all its locations.
 2024-09-09 11:27:53 -07:00
David Anderson 4b6b34e131 vram/VRAMCore: add tests, fix bug found by same 2024-09-09 11:16:21 -07:00