3_in_1_(Multi)[Unknown][EW300][Unknown_Chinese_Game] pass 1

game
  crc: c5e7fa35
  title: 3_in_1_(Multi)[Unknown][EW300][Unknown_Chinese_Game]
  board: 52
    memory
      type: ROM
      size: 0x80000
      content: Program
    memory
      type: ROM
      size: 0x80000
      content: Character

E: Mapper: 52

ERROR:  Unsupported mapper


3_in_1_(Multi)[Unknown][EW300][Unknown_Chinese_Game] pass 2

game
  crc: c5e7fa35
  title: 3_in_1_(Multi)[Unknown][EW300][Unknown_Chinese_Game]
  board: 52
    memory
      type: ROM
      size: 0x80000
      content: Program
    memory
      type: ROM
      size: 0x80000
      content: Character

E: Mapper: 52

ERROR:  Unsupported mapper


3_in_1_(Multi)[Unknown][EW300][Unknown_Chinese_Game] pass 3

game
  crc: c5e7fa35
  title: 3_in_1_(Multi)[Unknown][EW300][Unknown_Chinese_Game]
  board: 52
    memory
      type: ROM
      size: 0x80000
      content: Program
    memory
      type: ROM
      size: 0x80000
      content: Character

E: Mapper: 52

ERROR:  Unsupported mapper