NES 2.0 mapper 350 is used for a Super 15-in-1 Game Card multicart. Its UNIF board name is BMC-891227.
Mask: $C000 D~7654 3210 --------- MPPB B... |||+-+---- Select 128 KiB outer PRG-ROM bank ||+------- Chip select ||| 0: First 512 KiB ||| 1: Second 512 KiB (selectable only in UNROM mode) |++------- Select PRG-ROM banking mode | 0: NROM-128 | 1: NROM-256 (inner bank bit 0 replaced with CPU A14) | 2: UNROM (inner bank fixed to #7 at CPU $C000-$FFFF) | 3: same as 2 +--------- Select nametable mirroring type 0: Vertical 1: Horizontal
CHR-RAM is write-protected in the NROM modes.
Mask: $C000 D~7654 3210 --------- .... .BBB +++- Select 16 KiB inner PRG-ROM bank at CPU $8000-$BFFF/$C000-$FFFF
NES 2.0 Mapper 337 is a variant for smaller ROM sizes of this mapper.
Categories: Mappers with CHR RAM, Multicart mappers