{
  "machine": {
    "name": "c1571",
    "sourcefile": "devices/bus/cbmiec/c1571.cpp",
    "isdevice": "yes",
    "runnable": "no",
    "isbios": "no",
    "ismechanical": "no",
    "description": "Commodore 1571 Disk Drive",
    "biosset": [
      {
        "name": "r3",
        "description": "Revision 3",
        "default": "no"
      },
      {
        "name": "r5",
        "description": "Revision 5",
        "default": "yes"
      },
      {
        "name": "jiffydos",
        "description": "JiffyDOS v6.01",
        "default": "no"
      }
    ],
    "rom": [
      {
        "name": "310654-03.u2",
        "bios": "r3",
        "size": "32768",
        "crc": "3889b8b8",
        "sha1": "e649ef4419d65829d2afd65e07d31f3ce147d6eb",
        "region": "u1",
        "offset": "0",
        "status": "good",
        "optional": "no"
      },
      {
        "name": "310654-05.u2",
        "bios": "r5",
        "size": "32768",
        "crc": "5755bae3",
        "sha1": "f1be619c106641a685f6609e4d43d6fc9eac1e70",
        "region": "u1",
        "offset": "0",
        "status": "good",
        "optional": "no"
      },
      {
        "name": "jiffydos 1571.u2",
        "bios": "jiffydos",
        "size": "32768",
        "crc": "fe6cac6d",
        "sha1": "d4b79b60cf1eaa399d0932200eb7811e00455249",
        "region": "u1",
        "offset": "0",
        "status": "good",
        "optional": "no"
      }
    ],
    "device_ref": [
      {
        "tag": ":_tmp:u1",
        "name": "m6502"
      },
      {
        "tag": ":_tmp:u9",
        "name": "mos6522"
      },
      {
        "tag": ":_tmp:u4",
        "name": "mos6522"
      },
      {
        "tag": ":_tmp:u11",
        "name": "wd1770"
      },
      {
        "tag": ":_tmp:u6",
        "name": "c64h156"
      },
      {
        "tag": ":_tmp:u6:0",
        "name": "floppy_connector"
      },
      {
        "tag": ":_tmp:u20",
        "name": "mos6526"
      }
    ],
    "chip": [
      {
        "type": "cpu",
        "tag": ":u1",
        "name": "MOS Technology 6502",
        "clock": "1000000"
      },
      {
        "type": "cpu",
        "tag": ":u20",
        "name": "MOS 6526 CIA",
        "clock": "1000000"
      }
    ],
    "dipswitch": {
      "name": "Device Address",
      "tag": ":ADDRESS",
      "mask": "3",
      "dipvalue": [
        {
          "name": "8",
          "value": "0",
          "default": "yes"
        },
        {
          "name": "9",
          "value": "1",
          "default": "no"
        },
        {
          "name": "10",
          "value": "2",
          "default": "no"
        },
        {
          "name": "11",
          "value": "3",
          "default": "no"
        }
      ]
    }
  }
}