{
  "machine": {
    "name": "c1pmf",
    "sourcefile": "osi/osi.cpp",
    "cloneof": "sb2m600b",
    "romof": "sb2m600b",
    "isbios": "no",
    "isdevice": "no",
    "ismechanical": "no",
    "runnable": "yes",
    "description": "Challenger 1P MF Series 2",
    "year": "1980",
    "manufacturer": "Ohio Scientific",
    "biosset": [
      {
        "name": "original",
        "description": "Original",
        "default": "no"
      },
      {
        "name": "fixed",
        "description": "Fixed",
        "default": "no"
      }
    ],
    "rom": [
      {
        "name": "basus03.u11",
        "merge": "basus03.u11",
        "bios": "original",
        "size": "2048",
        "crc": "ca25f8c1",
        "sha1": "f5e8ee93a5e0656657d0cc60ef44e8a24b8b0a80",
        "region": "m6502",
        "offset": "b000",
        "status": "good",
        "optional": "no"
      },
      {
        "name": "basic3.rom",
        "merge": "basic3.rom",
        "bios": "fixed",
        "size": "2048",
        "crc": "ac37d575",
        "sha1": "11407eb24d1ba7afb889b7677c987e8be1a61aab",
        "region": "m6502",
        "offset": "b000",
        "status": "good",
        "optional": "no"
      },
      {
        "name": "basus01.u9",
        "merge": "basus01.u9",
        "size": "2048",
        "crc": "f4f5dec0",
        "sha1": "b41bf24b4470b6e969d32fe48d604637276f846e",
        "region": "m6502",
        "offset": "a000",
        "status": "good",
        "optional": "no"
      },
      {
        "name": "basus02.u10",
        "merge": "basus02.u10",
        "size": "2048",
        "crc": "0039ef6a",
        "sha1": "1397f0dc170c16c8e0c7d02e63099e986e86385b",
        "region": "m6502",
        "offset": "a800",
        "status": "good",
        "optional": "no"
      },
      {
        "name": "basus04.u12",
        "merge": "basus04.u12",
        "size": "2048",
        "crc": "8ee6030e",
        "sha1": "71f210163e4268cba2dd78a97c4d8f5dcebf980e",
        "region": "m6502",
        "offset": "b800",
        "status": "good",
        "optional": "no"
      },
      {
        "name": "monde01.u13",
        "merge": "monde01.u13",
        "size": "2048",
        "crc": "95a44d2e",
        "sha1": "4a0241c4015b94c436d0f0f58b3dd9d5207cd847",
        "region": "m6502",
        "offset": "f800",
        "status": "good",
        "optional": "no"
      },
      {
        "name": "chgsup2.u41",
        "merge": "chgsup2.u41",
        "size": "2048",
        "crc": "735f5e0a",
        "sha1": "87c6271497c5b00a974d905766e91bb965180594",
        "region": "chargen",
        "offset": "0",
        "status": "good",
        "optional": "no"
      },
      {
        "name": "c2 c4 synmon.rom",
        "merge": "c2 c4 synmon.rom",
        "size": "2048",
        "crc": "03cdbcc5",
        "sha1": "5426ae14522ef485b6089472011db0ae1d192630",
        "region": "user1",
        "offset": "0",
        "status": "good",
        "optional": "no"
      }
    ],
    "device_ref": [
      {
        "tag": ":m6502",
        "name": "m6502"
      },
      {
        "tag": ":screen",
        "name": "screen"
      },
      {
        "tag": ":palette",
        "name": "palette"
      },
      {
        "tag": ":gfxdecode",
        "name": "gfxdecode"
      },
      {
        "tag": ":mono",
        "name": "speaker"
      },
      {
        "tag": ":discrete",
        "name": "discrete"
      },
      {
        "tag": ":beeper",
        "name": "beep"
      },
      {
        "tag": ":beep_timer",
        "name": "timer"
      },
      {
        "tag": ":pia_1",
        "name": "pia6821"
      },
      {
        "tag": ":pia_2",
        "name": "pia6821"
      },
      {
        "tag": ":pia_3",
        "name": "pia6821"
      },
      {
        "tag": ":acia",
        "name": "acia6850"
      },
      {
        "tag": ":acia_clock",
        "name": "clock"
      },
      {
        "tag": ":cassette",
        "name": "cassette_image"
      },
      {
        "tag": ":kansas_w",
        "name": "timer"
      },
      {
        "tag": ":kansas_r",
        "name": "timer"
      },
      {
        "tag": ":ram",
        "name": "ram"
      },
      {
        "tag": ":pia_0",
        "name": "pia6821"
      },
      {
        "tag": ":acia_1",
        "name": "acia6850"
      },
      {
        "tag": ":floppy_clock",
        "name": "clock"
      },
      {
        "tag": ":floppy0",
        "name": "floppy_connector"
      },
      {
        "tag": ":floppy0:ssdd",
        "name": "floppy_525_ssdd"
      },
      {
        "tag": ":floppy0:ssdd:flopsndout",
        "name": "speaker"
      },
      {
        "tag": ":floppy0:ssdd:flopsnd",
        "name": "flopsnd"
      },
      {
        "tag": ":floppy1",
        "name": "floppy_connector"
      }
    ],
    "chip": [
      {
        "type": "cpu",
        "tag": "m6502",
        "name": "MOS Technology 6502",
        "clock": "983040"
      },
      {
        "type": "audio",
        "tag": "mono",
        "name": "Speaker"
      },
      {
        "type": "audio",
        "tag": "discrete",
        "name": "Discrete Sound"
      },
      {
        "type": "audio",
        "tag": "beeper",
        "name": "Beep",
        "clock": "300"
      },
      {
        "type": "audio",
        "tag": "cassette",
        "name": "Cassette"
      },
      {
        "type": "audio",
        "tag": "floppy0:ssdd:flopsndout",
        "name": "Speaker"
      },
      {
        "type": "audio",
        "tag": "floppy0:ssdd:flopsnd",
        "name": "Floppy sound",
        "clock": "44100"
      }
    ],
    "display": {
      "tag": "screen",
      "type": "raster",
      "rotate": "0",
      "width": "512",
      "height": "256",
      "refresh": "60.000000",
      "pixclock": "7864320",
      "htotal": "512",
      "hbend": "0",
      "hbstart": "512",
      "vtotal": "256",
      "vbend": "0",
      "vbstart": "256",
      "flipx": "no"
    },
    "sound": {
      "channels": "2"
    },
    "input": {
      "players": "1",
      "service": "no",
      "tilt": "no",
      "control": {
        "type": "keyboard",
        "buttons": "54",
        "reverse": "no"
      }
    },
    "port": [
      {
        "tag": ":ROW0"
      },
      {
        "tag": ":ROW1"
      },
      {
        "tag": ":ROW2"
      },
      {
        "tag": ":ROW3"
      },
      {
        "tag": ":ROW4"
      },
      {
        "tag": ":ROW5"
      },
      {
        "tag": ":ROW6"
      },
      {
        "tag": ":ROW7"
      },
      {
        "tag": ":Reset"
      },
      {
        "tag": ":Sound"
      }
    ],
    "driver": {
      "status": "preliminary",
      "emulation": "preliminary",
      "savestate": "supported",
      "requiresartwork": "no",
      "unofficial": "no",
      "nosoundhardware": "no",
      "incomplete": "no"
    },
    "device": [
      {
        "type": "cassette",
        "tag": "cassette",
        "instance": {
          "name": "cassette",
          "briefname": "cass"
        },
        "extension": [
          {
            "name": "wav"
          },
          {
            "name": "flac"
          },
          {
            "name": "aif"
          },
          {
            "name": "aiff"
          }
        ]
      },
      {
        "type": "floppydisk",
        "tag": "floppy0:ssdd",
        "interface": "floppy_5_25",
        "instance": {
          "name": "floppydisk",
          "briefname": "flop"
        },
        "extension": [
          {
            "name": "mfi"
          },
          {
            "name": "dfi"
          },
          {
            "name": "mfm"
          },
          {
            "name": "td0"
          },
          {
            "name": "imd"
          },
          {
            "name": "86f"
          },
          {
            "name": "d77"
          },
          {
            "name": "d88"
          },
          {
            "name": "1dd"
          },
          {
            "name": "cqm"
          },
          {
            "name": "cqi"
          },
          {
            "name": "dsk"
          }
        ]
      }
    ],
    "slot": [
      {
        "name": "floppy0",
        "slotoption": {
          "name": "ssdd",
          "devname": "floppy_525_ssdd",
          "default": "yes"
        }
      },
      {
        "name": "floppy1",
        "slotoption": {
          "name": "ssdd",
          "devname": "floppy_525_ssdd",
          "default": "no"
        }
      }
    ],
    "ramoption": {
      "name": "20K",
      "default": "yes",
      "#text": "20480"
    }
  }
}