INES Mapper 059

iNES Mapper 59 is used for a multicart with the UNIF board name BMC-T3H53.

Address Latch ($8000-$FFFF, write)

Mask: $8000

A~FEDC BA98 7654 3210
---------------------
  1... ...D .PPP MCCC
          |  ||| |+++- Select 8 KiB CHR-ROM bank at PPU $0000-$1FFF
          |  ||| +---- Select nametable mirroring type
          |  |||        0: Vertical
          |  |||        1: Horizontal
          |  +++------ Select 32 KiB PRG-ROM bank at CPU $8000-$FFFF
          +----------- Jumper Read Control
                        0: CPU $8000-$FFFF returns PRG-ROM content
                        1: CPU $8000-$FFFF returns Jumper/DIP switch value

Jumper Value ($8000-$FFFF, read)

Mask: Unknown, probably $8000-$FFFF

D~7654 3210
  ---------
  OOOO OOJJ
  |||| ||++- Current jumper value, selecting menu variants with different game counts
  ++++-++--- Open bus

Similar Mappers

INES Mapper 060 is almost identical to T3H53 right down to the Jumper Read Control, the only difference being that the PRG-ROM size can be either 16 or 32 KiB.