unfortuantely docs on the sm83 and sm82 cores are very lacking its been significantly customized too the sm83 i/o area is from ff80-ffff, and 256 bytes of ram from fe80-ff7f its been recently discovered that the dmg cpu is a sharp SM83 (or sm82?) IP core the gameboy i/o area is from ff00-ff7f (PLUS FFFF) and 127 bytes of ram from ff80-fffe
Package
Label (top):
DMG-CPU B (C) 1989 Nintendo JAPAN 9029 W
