6_in_1_(Multi)[Game_Star][GK_L01A][Excite_Bike][!] pass 1

game
  crc: 15bfc1b4
  title: 6_in_1_(Multi)[Game_Star][GK_L01A][Excite_Bike][!]
  board: 57
    mirror: 1
    memory
      type: ROM
      size: 0x20000
      content: Program
    memory
      type: ROM
      size: 0x20000
      content: Character

E: Mapper: 57

ERROR:  Unsupported mapper


6_in_1_(Multi)[Game_Star][GK_L01A][Excite_Bike][!] pass 2

game
  crc: 15bfc1b4
  title: 6_in_1_(Multi)[Game_Star][GK_L01A][Excite_Bike][!]
  board: 57
    mirror: 1
    memory
      type: ROM
      size: 0x20000
      content: Program
    memory
      type: ROM
      size: 0x20000
      content: Character

E: Mapper: 57

ERROR:  Unsupported mapper


6_in_1_(Multi)[Game_Star][GK_L01A][Excite_Bike][!] pass 3

game
  crc: 15bfc1b4
  title: 6_in_1_(Multi)[Game_Star][GK_L01A][Excite_Bike][!]
  board: 57
    mirror: 1
    memory
      type: ROM
      size: 0x20000
      content: Program
    memory
      type: ROM
      size: 0x20000
      content: Character

E: Mapper: 57

ERROR:  Unsupported mapper