INES Mapper 061
From NESdev Wiki
Jump to navigationJump to search
Here are Disch's original notes: ======================== = Mapper 061 = ======================== Example Game: -------------------------- 20-in-1 Registers: --------------------------- $8000-FFFF: A~[.... .... M.LO HHHH] H = High 4 bits of PRG Reg L = Low bit of PRG Reg O = PRG Mode M = Mirroring (0=Vert, 1=Horz) PRG Setup: --------------------------- PRG Reg is 5 bits -- combination of 'H' and 'L' bits. $8000 $A000 $C000 $E000 +-------------------------------+ PRG Mode 0: | <$8000> | +-------------------------------+ PRG Mode 1: | $8000 | $8000 | +---------------+---------------+