150_in_1_(Multi)[Unknown][Duck_Hunt] pass 1

game
  crc: 5ba15fe6
  title: 150_in_1_(Multi)[Unknown][Duck_Hunt]
  board: 204
    memory
      type: ROM
      size: 0x10000
      content: Program
    memory
      type: ROM
      size: 0x8000
      content: Character

E: Mapper: 204

ERROR:  Unsupported mapper


150_in_1_(Multi)[Unknown][Duck_Hunt] pass 2

game
  crc: 5ba15fe6
  title: 150_in_1_(Multi)[Unknown][Duck_Hunt]
  board: 204
    memory
      type: ROM
      size: 0x10000
      content: Program
    memory
      type: ROM
      size: 0x8000
      content: Character

E: Mapper: 204

ERROR:  Unsupported mapper


150_in_1_(Multi)[Unknown][Duck_Hunt] pass 3

game
  crc: 5ba15fe6
  title: 150_in_1_(Multi)[Unknown][Duck_Hunt]
  board: 204
    memory
      type: ROM
      size: 0x10000
      content: Program
    memory
      type: ROM
      size: 0x8000
      content: Character

E: Mapper: 204

ERROR:  Unsupported mapper