NES 2.0 Mapper 370

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NES 2.0 Mapper 370 denotes the F600 circuit board, used for the Golden Mario Party II - Around the World 6-in-1 multicart. It uses an MMC3 clone with an outer bank register that also selects TKROM and TLSROM configurations (the latter for a Mario-themed Armadillo hack).

Outer Bank register ($5000-$5FFF, write)

Mask: $F000

A~FEDC BA98 7654 3210
  0101 .... ..pP PcCC
              || |+++- CHR A17-A19
              || |+--- CHR Mask: 0=128K, 1=256 K
              ++-+---- PRG A17-A19
              +------- PRG Mask: 0=128K, 1=256 K

TLSROM nametable mirroring is used when cCC is 001, otherwise normal MMC3 mirroring is used.

Solder Pad register ($5000-5FFF, read)

Mask: $F000

D~7654 3210
  V... ....
  +--------- Solder pad setting

The solder pad setting selects one of two different menus.