NES 2.0 Mapper 333

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NES 2.0 mapper 333 is used for the New Star Super 8-in-1 multicart. Its UNIF board name are BMC-8-IN-1 and BMC-NEWSTAR-GRM070-8IN1.

Outer Bank and PRG Banking Mode Register ($9000-$9FFF, $B000-$BFFF, $D000-$DFFF, $F000-$FFFF, write)

Mask: $9000

D~7654 3210
  ---------
  ...P OOII
     | ||++- Select inner 32 KiB PRG-ROM bank at CPU $8000-$FFFF if P=0
     | ++--- Select 128 KiB outer PRG-ROM and CHR-ROM bank
     +------ Select PRG Banking Mode
              0: NROM-256
              1: MMC3

MMC3-compatible registers ($8000-$8FFF, $A000-$AFFF, $C000-$CFFF, $E000-$EFFF, write)

Mask: $F001

See MMC3.