local MapperTypes = { [0]  = "No Mapper", 
                      [1]  = "Nintendo MMC1",
                      [2]  = "CNROM Switch",
                      [3]  = "UNROM Switch", 
                      [4]  = "Nintendo MMC3",
                      [5]  = "Nintendo MMC5",
                      [6]  = "FFE F4xxx",
                      [7]  = "AOROM Switch",
                      [8]  = "FFE F3xxx",
                      [9]  = "Nintendo MMC2",
                      [10] = "Nintendo MMC4",
                      [11] = "ColorDreams Chip",
                      [12] = "FFE F6xxx",
                      [13] = "CPROM Switch",
                      [15] = "100 In 1 Switch",
                      [16] = "Bandai Chip",
                      [17] = "FFE F8xxx",
                      [18] = "Jaleco SS8806 Chip",
                      [19] = "Namcot 106 Chip",
                      [20] = "Nintendo DiskSystem",
                      [21] = "Konami VRC4a", 
                      [22] = "Konami VRC2a", 
                      [23] = "Konami VRC2a", 
                      [24] = "Konami VRC6", 
                      [25] = "Konami VRC4b", 
                      [32] = "Irem G-101 Chip", 
                      [33] = "Taito TC0190/TC0350", 
                      [34] = "Nina 1 Board", 
                      [64] = "Tengen RAMBO 1 Chip",
                      [65] = "Irem H3001 Chip",
                      [66] = "GNROM Switch",
                      [67] = "SunSoft3 Chip",
                      [68] = "SunSoft4 Chip",
                      [69] = "SunSoft5 FME-7 Chip",
                      [71] = "Camerica Chip",
                      [78] = "Irem 74HC161/32 Based",
                      [79] = "AVE Nina 3 Board",
                      [81] = "AVE Nina 6 Board",
                      [91] = "Pirate HK-SF3 Chip" } 

return MapperTypes