{
  "machine": {
    "name": "atarifb",
    "sourcefile": "atari/atarifb.cpp",
    "isbios": "no",
    "isdevice": "no",
    "ismechanical": "no",
    "runnable": "yes",
    "description": "Atari Football (revision 2)",
    "year": "1978",
    "manufacturer": "Atari",
    "rom": [
      {
        "name": "03302602.m1",
        "size": "2048",
        "crc": "352e35db",
        "sha1": "ae3f1bdb274858edf203dbffe4ba2912c065cff2",
        "region": "maincpu",
        "offset": "6800",
        "status": "good",
        "optional": "no"
      },
      {
        "name": "03302801.p1",
        "size": "2048",
        "crc": "a79c79ca",
        "sha1": "7791b431e9aadb09fd286ae56699c4beda54830a",
        "region": "maincpu",
        "offset": "7000",
        "status": "good",
        "optional": "no"
      },
      {
        "name": "03302702.n1",
        "size": "2048",
        "crc": "e7e916ae",
        "sha1": "d3a188809e83c311699cb103040c4525b36a56e3",
        "region": "maincpu",
        "offset": "7800",
        "status": "good",
        "optional": "no"
      },
      {
        "name": "033029.n7",
        "size": "1024",
        "crc": "12f43dca",
        "sha1": "a463f5068d5522ddf74052429aa6da23e5475844",
        "region": "gfx1",
        "offset": "0",
        "status": "good",
        "optional": "no"
      },
      {
        "name": "033030.c5",
        "size": "512",
        "crc": "eac9ef90",
        "sha1": "0e6284392852695ab7323be82105d32f57ad00f1",
        "region": "gfx2",
        "offset": "0",
        "status": "good",
        "optional": "no"
      },
      {
        "name": "033031.d5",
        "size": "512",
        "crc": "89d619b8",
        "sha1": "0af5d1f4e6f9a377dc2d49a8039866b1857af01f",
        "region": "gfx2",
        "offset": "0",
        "status": "good",
        "optional": "no"
      }
    ],
    "device_ref": [
      {
        "tag": ":maincpu",
        "name": "m6502"
      },
      {
        "tag": ":irq_timer",
        "name": "timer"
      },
      {
        "tag": ":watchdog",
        "name": "watchdog"
      },
      {
        "tag": ":screen",
        "name": "screen"
      },
      {
        "tag": ":gfxdecode",
        "name": "gfxdecode"
      },
      {
        "tag": ":palette",
        "name": "palette"
      },
      {
        "tag": ":led_pwm",
        "name": "pwm_display"
      },
      {
        "tag": ":mono",
        "name": "speaker"
      },
      {
        "tag": ":discrete",
        "name": "discrete"
      }
    ],
    "chip": [
      {
        "type": "cpu",
        "tag": "maincpu",
        "name": "MOS Technology 6502",
        "clock": "756000"
      },
      {
        "type": "audio",
        "tag": "mono",
        "name": "Speaker"
      },
      {
        "type": "audio",
        "tag": "discrete",
        "name": "Discrete Sound"
      }
    ],
    "display": {
      "tag": "screen",
      "type": "raster",
      "rotate": "0",
      "width": "304",
      "height": "240",
      "refresh": "60.114504",
      "pixclock": "6048000",
      "htotal": "384",
      "hbend": "0",
      "hbstart": "304",
      "vtotal": "262",
      "vbend": "8",
      "vbstart": "248",
      "flipx": "no"
    },
    "sound": {
      "channels": "1"
    },
    "input": {
      "players": "2",
      "coins": "2",
      "tilt": "yes",
      "service": "no",
      "control": [
        {
          "type": "trackball",
          "player": "1",
          "buttons": "1",
          "minimum": "0",
          "maximum": "255",
          "sensitivity": "100",
          "keydelta": "10",
          "reverse": "yes"
        },
        {
          "type": "trackball",
          "player": "2",
          "buttons": "1",
          "minimum": "0",
          "maximum": "255",
          "sensitivity": "100",
          "keydelta": "10",
          "reverse": "yes"
        }
      ]
    },
    "dipswitch": [
      {
        "name": "Time Per Coin",
        "tag": "IN1",
        "mask": "3",
        "diplocation": [
          {
            "name": "K10",
            "number": "1",
            "inverted": "no"
          },
          {
            "name": "K10",
            "number": "2",
            "inverted": "no"
          }
        ],
        "dipvalue": [
          {
            "name": "1:30",
            "value": "0",
            "default": "yes"
          },
          {
            "name": "2:00",
            "value": "1",
            "default": "no"
          },
          {
            "name": "2:30",
            "value": "2",
            "default": "no"
          },
          {
            "name": "3:00",
            "value": "3",
            "default": "no"
          }
        ]
      },
      {
        "name": "Unused",
        "tag": "IN1",
        "mask": "4",
        "diplocation": {
          "name": "K10",
          "number": "3",
          "inverted": "no"
        },
        "dipvalue": [
          {
            "name": "Off",
            "value": "4",
            "default": "yes"
          },
          {
            "name": "On",
            "value": "0",
            "default": "no"
          }
        ]
      },
      {
        "name": "Atari Logo",
        "tag": "IN1",
        "mask": "8",
        "diplocation": {
          "name": "K10",
          "number": "4",
          "inverted": "no"
        },
        "dipvalue": [
          {
            "name": "Off",
            "value": "8",
            "default": "no"
          },
          {
            "name": "On",
            "value": "0",
            "default": "yes"
          }
        ]
      },
      {
        "name": "Service Mode",
        "tag": "IN1",
        "mask": "64",
        "dipvalue": [
          {
            "name": "Off",
            "value": "64",
            "default": "yes"
          },
          {
            "name": "On",
            "value": "0",
            "default": "no"
          }
        ]
      }
    ],
    "port": [
      {
        "tag": ":IN0"
      },
      {
        "tag": ":IN1"
      },
      {
        "tag": ":IN2",
        "analog": {
          "mask": "255"
        }
      },
      {
        "tag": ":IN3",
        "analog": {
          "mask": "255"
        }
      },
      {
        "tag": ":IN4",
        "analog": {
          "mask": "255"
        }
      },
      {
        "tag": ":IN5",
        "analog": {
          "mask": "255"
        }
      }
    ],
    "driver": {
      "status": "good",
      "emulation": "good",
      "savestate": "supported",
      "requiresartwork": "no",
      "unofficial": "no",
      "nosoundhardware": "no",
      "incomplete": "no"
    }
  }
}