2_in_1_(Multi)[Unknown][2B11][Fighter_16] pass 1

game
  crc: c32b35a0
  title: 2_in_1_(Multi)[Unknown][2B11][Fighter_16]
  board: 52
    mirror: 1
    memory
      type: ROM
      size: 0x40000
      content: Program
    memory
      type: ROM
      size: 0x40000
      content: Character

E: Mapper: 52

ERROR:  Unsupported mapper


2_in_1_(Multi)[Unknown][2B11][Fighter_16] pass 2

game
  crc: c32b35a0
  title: 2_in_1_(Multi)[Unknown][2B11][Fighter_16]
  board: 52
    mirror: 1
    memory
      type: ROM
      size: 0x40000
      content: Program
    memory
      type: ROM
      size: 0x40000
      content: Character

E: Mapper: 52

ERROR:  Unsupported mapper


2_in_1_(Multi)[Unknown][2B11][Fighter_16] pass 3

game
  crc: c32b35a0
  title: 2_in_1_(Multi)[Unknown][2B11][Fighter_16]
  board: 52
    mirror: 1
    memory
      type: ROM
      size: 0x40000
      content: Program
    memory
      type: ROM
      size: 0x40000
      content: Character

E: Mapper: 52

ERROR:  Unsupported mapper