NES 2.0 Mapper 361

NES 2.0 Mapper 361 is used for an early MMC3-based multicart PCB (YY841101C) from J.Y. Company, preceding the J.Y. Company ASIC:

• 1994 Ball 4-in-1 Series (JY-009)
• 1996 Super HiK 4-in-1 (JY-018)
• 1995 Super HiK 4-in-1 (JY-019)

Outer Bank Register ($7000)

Mask: unknown

D~7654 3210
  ---------
  OOOO ....
  ++++------ Select outer 128 KiB PRG-ROM and CHR-ROM bank

This register is accessible regardless of whether WRAM is enabled in the MMC3 clone's A001 register.

MMC3-compatible registers

Mask: $E001

See MMC3.

See also

NES 2.0 Mapper 364 describes a slightly more complex variant supporting a selectable outer bank size.