NES 2.0 Mapper 323
NES 2.0 Mapper 323 is used for Farid's homebrew 8-in-1 SLROM multicart board. It consists of an MMC1 (clone) with WRAM replaced by an outer bank register. Its UNIF board name is FARID_SLROM_8-IN-1 (note underscores).
Outer Bank Register ($6000-$7FFF, write)
Mask: $E000 D~7654 3210 --------- .OOO L... ||| +---- 1=Disable decoder (lock Outer Bank) +++------ Select 128 KiB outer PRG-ROM and CHR-ROM bank
WRAM must be enabled in the MMC1's registers for writes to be effective.
This register is cleared on both warm and cold boot.
MMC1 registers ($8000-$FFFF)
See INES Mapper 001.