4_in_1_(Multi)[Unknown][4602][Mortal_Kombat_9] pass 1

game
  crc: 6c30d765
  title: 4_in_1_(Multi)[Unknown][4602][Mortal_Kombat_9]
  board: 357
    memory
      type: ROM
      size: 0x80000
      content: Program
    memory
      type: RAM
      size: 0x2000
      content: Character
      volatile

E: Mapper: 357

ERROR:  Unsupported mapper


4_in_1_(Multi)[Unknown][4602][Mortal_Kombat_9] pass 2

game
  crc: 6c30d765
  title: 4_in_1_(Multi)[Unknown][4602][Mortal_Kombat_9]
  board: 357
    memory
      type: ROM
      size: 0x80000
      content: Program
    memory
      type: RAM
      size: 0x2000
      content: Character
      volatile

E: Mapper: 357

ERROR:  Unsupported mapper


4_in_1_(Multi)[Unknown][4602][Mortal_Kombat_9] pass 3

game
  crc: 6c30d765
  title: 4_in_1_(Multi)[Unknown][4602][Mortal_Kombat_9]
  board: 357
    memory
      type: ROM
      size: 0x80000
      content: Program
    memory
      type: RAM
      size: 0x2000
      content: Character
      volatile

E: Mapper: 357

ERROR:  Unsupported mapper