Vanguard_(Unl)[Nice_Code][VT03] pass 1

game
  crc: d315d803
  title: Vanguard_(Unl)[Nice_Code][VT03]
  board: 256
    memory
      type: ROM
      size: 0x20000
      content: Program
    memory
      type: ROM
      size: 0x10000
      content: Character

E: Mapper: 256

ERROR:  Unsupported mapper


Vanguard_(Unl)[Nice_Code][VT03] pass 2

game
  crc: d315d803
  title: Vanguard_(Unl)[Nice_Code][VT03]
  board: 256
    memory
      type: ROM
      size: 0x20000
      content: Program
    memory
      type: ROM
      size: 0x10000
      content: Character

E: Mapper: 256

ERROR:  Unsupported mapper


Vanguard_(Unl)[Nice_Code][VT03] pass 3

game
  crc: d315d803
  title: Vanguard_(Unl)[Nice_Code][VT03]
  board: 256
    memory
      type: ROM
      size: 0x20000
      content: Program
    memory
      type: ROM
      size: 0x10000
      content: Character

E: Mapper: 256

ERROR:  Unsupported mapper