NES 2.0 Mapper 456
From NESdev Wiki
Jump to navigationJump to search
NES 2.0 Mapper 456 denotes the MMC3-based Realtec K6C3001A multicart PCB, used for the (ST-401) Super 4-in-1 multicart. It is basically an oversized version of INES Mapper 047 with the outer bank register moved from $6000 to $4100.
Extra Register ($4100, write)
D~[.... ..BB] ++- PRG/CHR A18..A17