NES 2.0 Mapper 443 denotes the NC3000M multicart circuit board.
Known cartridges:
Mask: $E000 A~FEDC BA98 7654 3210 ------------------- 011. .... ...P MMpC | |||+- CHR A18 | ||+-- PRG A18 | ++--- Select PRG-ROM mode | 0: MMC3 mode | 1: NROM-256 mode (PRG A13..14=CPU A13..14, PRG A15..16=MMC3 A15..16) | 2: Read solder pads' value in D0/D1 (leftmost pads in picture) | 3: NROM-128 mode (PRG A13=CPU A13, PRG A14..16=MMC3 A14..16) +------ PRG A17
Mask: $E001
See MMC3.
Categories: MMC3-like mappers, Mappers with scanline IRQs, Multicart mappers