{
  "machine": {
    "name": "c1541ii",
    "sourcefile": "devices/bus/cbmiec/c1541.cpp",
    "isdevice": "yes",
    "runnable": "no",
    "isbios": "no",
    "ismechanical": "no",
    "description": "Commodore 1541-II Disk Drive",
    "biosset": [
      {
        "name": "r1",
        "description": "Revision 1",
        "default": "yes"
      },
      {
        "name": "jiffydos",
        "description": "JiffyDOS v6.01",
        "default": "no"
      }
    ],
    "rom": [
      {
        "name": "355640-01.u4",
        "bios": "r1",
        "size": "16384",
        "crc": "57224cde",
        "sha1": "ab16f56989b27d89babe5f89c5a8cb3da71a82f0",
        "region": "ucd5",
        "offset": "0",
        "status": "good",
        "optional": "no"
      },
      {
        "name": "jiffydos 1541-ii.u4",
        "bios": "jiffydos",
        "size": "16384",
        "crc": "dd409902",
        "sha1": "b1a5b826304d3df2a27d7163c6a81a532e040d32",
        "region": "ucd5",
        "offset": "0",
        "status": "good",
        "optional": "no"
      },
      {
        "name": "251968-03.u4",
        "size": "16384",
        "crc": "899fa3c5",
        "sha1": "d3b78c3dbac55f5199f33f3fe0036439811f7fb3",
        "region": "ucd5",
        "offset": "0",
        "status": "good",
        "optional": "no"
      }
    ],
    "device_ref": [
      {
        "tag": ":_tmp:ucd5",
        "name": "m6502"
      },
      {
        "tag": ":_tmp:uab1",
        "name": "mos6522"
      },
      {
        "tag": ":_tmp:ucd4",
        "name": "mos6522"
      },
      {
        "tag": ":_tmp:uc4",
        "name": "c64h156"
      },
      {
        "tag": ":_tmp:uc4:0",
        "name": "floppy_connector"
      }
    ],
    "chip": {
      "type": "cpu",
      "tag": ":ucd5",
      "name": "MOS Technology 6502",
      "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"
        }
      ]
    }
  }
}