Well_4_in_1_(Multi)[Unknown][AB161][Super_Contra_6] pass 1

game
  crc: 051c4267
  title: Well_4_in_1_(Multi)[Unknown][AB161][Super_Contra_6]
  board: 52
    memory
      type: ROM
      size: 0x80000
      content: Program
    memory
      type: ROM
      size: 0x80000
      content: Character

E: Mapper: 52

ERROR:  Unsupported mapper


Well_4_in_1_(Multi)[Unknown][AB161][Super_Contra_6] pass 2

game
  crc: 051c4267
  title: Well_4_in_1_(Multi)[Unknown][AB161][Super_Contra_6]
  board: 52
    memory
      type: ROM
      size: 0x80000
      content: Program
    memory
      type: ROM
      size: 0x80000
      content: Character

E: Mapper: 52

ERROR:  Unsupported mapper


Well_4_in_1_(Multi)[Unknown][AB161][Super_Contra_6] pass 3

game
  crc: 051c4267
  title: Well_4_in_1_(Multi)[Unknown][AB161][Super_Contra_6]
  board: 52
    memory
      type: ROM
      size: 0x80000
      content: Program
    memory
      type: ROM
      size: 0x80000
      content: Character

E: Mapper: 52

ERROR:  Unsupported mapper