{
  "machine": {
    "name": "c1541",
    "sourcefile": "devices/bus/cbmiec/c1541.cpp",
    "isdevice": "yes",
    "runnable": "no",
    "isbios": "no",
    "ismechanical": "no",
    "description": "Commodore 1541 Disk Drive",
    "biosset": [
      {
        "name": "r1",
        "description": "Revision 1",
        "default": "no"
      },
      {
        "name": "r2",
        "description": "Revision 2",
        "default": "no"
      },
      {
        "name": "r3",
        "description": "Revision 3",
        "default": "no"
      },
      {
        "name": "r4",
        "description": "Revision 4",
        "default": "no"
      },
      {
        "name": "r5",
        "description": "Revision 5",
        "default": "no"
      },
      {
        "name": "r6",
        "description": "Revision 6",
        "default": "yes"
      },
      {
        "name": "jiffydos",
        "description": "JiffyDOS v6.01",
        "default": "no"
      },
      {
        "name": "speeddos",
        "description": "SpeedDOS-Plus+",
        "default": "no"
      },
      {
        "name": "rolo27",
        "description": "Rolo DOS v2.7",
        "default": "no"
      },
      {
        "name": "tt34",
        "description": "TurboTrans v3.4",
        "default": "no"
      },
      {
        "name": "digidos",
        "description": "DigiDOS",
        "default": "no"
      }
    ],
    "rom": [
      {
        "name": "901229-01.uab5",
        "bios": "r1",
        "size": "8192",
        "crc": "9a48d3f0",
        "sha1": "7a1054c6156b51c25410caec0f609efb079d3a77",
        "region": "ucd5",
        "offset": "2000",
        "status": "good",
        "optional": "no"
      },
      {
        "name": "901229-02.uab5",
        "bios": "r2",
        "size": "8192",
        "crc": "b29bab75",
        "sha1": "91321142e226168b1139c30c83896933f317d000",
        "region": "ucd5",
        "offset": "2000",
        "status": "good",
        "optional": "no"
      },
      {
        "name": "901229-03.uab5",
        "bios": "r3",
        "size": "8192",
        "crc": "9126e74a",
        "sha1": "03d17bd745066f1ead801c5183ac1d3af7809744",
        "region": "ucd5",
        "offset": "2000",
        "status": "good",
        "optional": "no"
      },
      {
        "name": "901229-04.uab5",
        "bios": "r4",
        "size": "8192",
        "status": "nodump",
        "region": "ucd5",
        "offset": "2000",
        "optional": "no"
      },
      {
        "name": "901229-05 ae.uab5",
        "bios": "r5",
        "size": "8192",
        "crc": "361c9f37",
        "sha1": "f5d60777440829e46dc91285e662ba072acd2d8b",
        "region": "ucd5",
        "offset": "2000",
        "status": "good",
        "optional": "no"
      },
      {
        "name": "901229-06 aa.uab5",
        "bios": "r6",
        "size": "8192",
        "crc": "3a235039",
        "sha1": "c7f94f4f51d6de4cdc21ecbb7e57bb209f0530c0",
        "region": "ucd5",
        "offset": "2000",
        "status": "good",
        "optional": "no"
      },
      {
        "name": "jiffydos 1541.uab5",
        "bios": "jiffydos",
        "size": "8192",
        "crc": "bc7e4aeb",
        "sha1": "db6cfaa6d9b78d58746c811de29f3b1f44d99ddf",
        "region": "ucd5",
        "offset": "2000",
        "status": "good",
        "optional": "no"
      },
      {
        "name": "speed-dosplus.uab5",
        "bios": "speeddos",
        "size": "16384",
        "crc": "f9db1eac",
        "sha1": "95407e59a9c1d26a0e4bcf2c244cfe8942576e2c",
        "region": "ucd5",
        "offset": "0",
        "status": "good",
        "optional": "no"
      },
      {
        "name": "rolo27.uab5",
        "bios": "rolo27",
        "size": "8192",
        "crc": "171c7962",
        "sha1": "04c892c4b3d7c74750576521fa081f07d8ca8557",
        "region": "ucd5",
        "offset": "0",
        "status": "good",
        "optional": "no"
      },
      {
        "name": "ttd34.uab5",
        "bios": "tt34",
        "size": "32768",
        "crc": "518d34a1",
        "sha1": "4d6ffdce6ab122e9627b0a839861687bcd4e03ec",
        "region": "ucd5",
        "offset": "0",
        "status": "good",
        "optional": "no"
      },
      {
        "name": "digidos.uab5",
        "bios": "digidos",
        "size": "8192",
        "crc": "b3f05ea3",
        "sha1": "99d3d848344c68410b686cda812f3788b41fead3",
        "region": "ucd5",
        "offset": "0",
        "status": "good",
        "optional": "no"
      },
      {
        "name": "325302-01.uab4",
        "size": "8192",
        "crc": "29ae9752",
        "sha1": "8e0547430135ba462525c224e76356bd3d430f11",
        "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"
        }
      ]
    }
  }
}