Action_53_(I_Multi)[Damian_Yerrick][2018][Volume_4_Part_2][Project_Blue] pass 1

game
  crc: f1dcb2e6
  title: Action_53_(I_Multi)[Damian_Yerrick][2018][Volume_4_Part_2][Project_Blue]
  board: 28
    mirror: 1
    memory
      type: ROM
      size: 0x40000
      content: Program
    memory
      type: RAM
      size: 0x2000
      content: Character
      volatile

E: Mapper: 28

ERROR:  Unsupported mapper


Action_53_(I_Multi)[Damian_Yerrick][2018][Volume_4_Part_2][Project_Blue] pass 2

game
  crc: f1dcb2e6
  title: Action_53_(I_Multi)[Damian_Yerrick][2018][Volume_4_Part_2][Project_Blue]
  board: 28
    mirror: 1
    memory
      type: ROM
      size: 0x40000
      content: Program
    memory
      type: RAM
      size: 0x2000
      content: Character
      volatile

E: Mapper: 28

ERROR:  Unsupported mapper


Action_53_(I_Multi)[Damian_Yerrick][2018][Volume_4_Part_2][Project_Blue] pass 3

game
  crc: f1dcb2e6
  title: Action_53_(I_Multi)[Damian_Yerrick][2018][Volume_4_Part_2][Project_Blue]
  board: 28
    mirror: 1
    memory
      type: ROM
      size: 0x40000
      content: Program
    memory
      type: RAM
      size: 0x2000
      content: Character
      volatile

E: Mapper: 28

ERROR:  Unsupported mapper