Commando_(Unl)[Nice_Code] pass 1

game
  crc: 462962dc
  title: Commando_(Unl)[Nice_Code]
  board: 256
    mirror: 1
    memory
      type: ROM
      size: 0x40000
      content: Program
    memory
      type: ROM
      size: 0x40000
      content: Character

E: Mapper: 256

ERROR:  Unsupported mapper


Commando_(Unl)[Nice_Code] pass 2

game
  crc: 462962dc
  title: Commando_(Unl)[Nice_Code]
  board: 256
    mirror: 1
    memory
      type: ROM
      size: 0x40000
      content: Program
    memory
      type: ROM
      size: 0x40000
      content: Character

E: Mapper: 256

ERROR:  Unsupported mapper


Commando_(Unl)[Nice_Code] pass 3

game
  crc: 462962dc
  title: Commando_(Unl)[Nice_Code]
  board: 256
    mirror: 1
    memory
      type: ROM
      size: 0x40000
      content: Program
    memory
      type: ROM
      size: 0x40000
      content: Character

E: Mapper: 256

ERROR:  Unsupported mapper