2 ms·
https://books.google.com.au/books?id=GBXqCAAAQBAJ&pg=PA28&lpg=PA28&dq=6502+nintendo+variant https://books.google.com.au/books?id=GBXqCAAAQBAJ&pg=PA28&lp... poss
by voltagex_ 11y ago
https://books.google.com.au/books?id=GBXqCAAAQBAJ&pg=PA28&lpg=PA28&dq=6502+nintendo+variant https://books.google.com.au/books?id=GBXqCAAAQBAJ&pg=PA28&lp... possibly? Failing that, byuu (developer of the Higan emulator) might know.
- pinewurst 11y agoThis is _really_ a great book btw. It was one of the few things keeping me sane on a bad business trip. The Ricoh part (2A03) is a 6502 core with BCD instructions deactivated (not removed) so Ricoh didn't have to pay patent royalties.