1990_High_4_in_1_(Multi)[Unknown][1990][YH443][Ryuken_II] pass 1

game
  crc: 540ec2b7
  title: 1990_High_4_in_1_(Multi)[Unknown][1990][YH443][Ryuken_II]
  board: 52
    memory
      type: ROM
      size: 0x80000
      content: Program
    memory
      type: ROM
      size: 0x80000
      content: Character

E: Mapper: 52

ERROR:  Unsupported mapper


1990_High_4_in_1_(Multi)[Unknown][1990][YH443][Ryuken_II] pass 2

game
  crc: 540ec2b7
  title: 1990_High_4_in_1_(Multi)[Unknown][1990][YH443][Ryuken_II]
  board: 52
    memory
      type: ROM
      size: 0x80000
      content: Program
    memory
      type: ROM
      size: 0x80000
      content: Character

E: Mapper: 52

ERROR:  Unsupported mapper


1990_High_4_in_1_(Multi)[Unknown][1990][YH443][Ryuken_II] pass 3

game
  crc: 540ec2b7
  title: 1990_High_4_in_1_(Multi)[Unknown][1990][YH443][Ryuken_II]
  board: 52
    memory
      type: ROM
      size: 0x80000
      content: Program
    memory
      type: ROM
      size: 0x80000
      content: Character

E: Mapper: 52

ERROR:  Unsupported mapper