{
  "machine": {
    "name": "blkhole",
    "sourcefile": "galaxian/galaxian.cpp",
    "isbios": "no",
    "isdevice": "no",
    "ismechanical": "no",
    "runnable": "yes",
    "description": "Black Hole",
    "year": "1981",
    "manufacturer": "TDS & MINTS",
    "rom": [
      {
        "name": "bh1",
        "size": "2048",
        "crc": "64998819",
        "sha1": "69fe5dfbe6cde18ef4cae62da12b5c692c2c72b9",
        "region": "maincpu",
        "offset": "0",
        "status": "good",
        "optional": "no"
      },
      {
        "name": "bh2",
        "size": "2048",
        "crc": "26f26ce4",
        "sha1": "720ce7af05ef596fb9a109591534c74d282955e8",
        "region": "maincpu",
        "offset": "800",
        "status": "good",
        "optional": "no"
      },
      {
        "name": "bh3",
        "size": "2048",
        "crc": "3418bc45",
        "sha1": "088bbbde66b7b5c36fa48cf14c22146e1444e67c",
        "region": "maincpu",
        "offset": "1000",
        "status": "good",
        "optional": "no"
      },
      {
        "name": "bh4",
        "size": "2048",
        "crc": "735ff481",
        "sha1": "d9b32db048a0e2a1195cd6f7326005e6622242a9",
        "region": "maincpu",
        "offset": "1800",
        "status": "good",
        "optional": "no"
      },
      {
        "name": "bh5",
        "size": "2048",
        "crc": "3f657be9",
        "sha1": "3ed1ee0bc199c1625156d2771eecd18a57a0e6ed",
        "region": "maincpu",
        "offset": "2000",
        "status": "good",
        "optional": "no"
      },
      {
        "name": "bh6",
        "size": "2048",
        "crc": "a057ab35",
        "sha1": "430261bafe20fc182e6e6659019cf42643e95d54",
        "region": "maincpu",
        "offset": "2800",
        "status": "good",
        "optional": "no"
      },
      {
        "name": "bh7",
        "size": "2048",
        "crc": "975ba821",
        "sha1": "c50d55f6ab81b803d67f5e18c1243ef85a1a2df1",
        "region": "gfx1",
        "offset": "0",
        "status": "good",
        "optional": "no"
      },
      {
        "name": "bh8",
        "size": "2048",
        "crc": "03d11020",
        "sha1": "5768b573fac9aac168db2723462cca76d4d80552",
        "region": "gfx1",
        "offset": "800",
        "status": "good",
        "optional": "no"
      },
      {
        "name": "6l.bpr",
        "size": "32",
        "crc": "c3ac9467",
        "sha1": "f382ad5a34d282056c78a5ec00c30ec43772bae2",
        "region": "proms",
        "offset": "0",
        "status": "good",
        "optional": "no"
      }
    ],
    "device_ref": [
      {
        "tag": ":maincpu",
        "name": "z80"
      },
      {
        "tag": ":watchdog",
        "name": "watchdog"
      },
      {
        "tag": ":gfxdecode",
        "name": "gfxdecode"
      },
      {
        "tag": ":palette",
        "name": "palette"
      },
      {
        "tag": ":screen",
        "name": "screen"
      },
      {
        "tag": ":speaker",
        "name": "speaker"
      },
      {
        "tag": ":cust",
        "name": "galaxian_sound"
      },
      {
        "tag": ":cust:discrete",
        "name": "discrete"
      }
    ],
    "chip": [
      {
        "type": "cpu",
        "tag": "maincpu",
        "name": "Zilog Z80",
        "clock": "3072000"
      },
      {
        "type": "audio",
        "tag": "speaker",
        "name": "Speaker"
      },
      {
        "type": "audio",
        "tag": "cust:discrete",
        "name": "Discrete Sound"
      }
    ],
    "display": {
      "tag": "screen",
      "type": "raster",
      "rotate": "90",
      "width": "768",
      "height": "224",
      "refresh": "60.606061",
      "pixclock": "18432000",
      "htotal": "1152",
      "hbend": "0",
      "hbstart": "768",
      "vtotal": "264",
      "vbend": "16",
      "vbstart": "240",
      "flipx": "no"
    },
    "sound": {
      "channels": "1"
    },
    "input": {
      "players": "2",
      "coins": "1",
      "service": "no",
      "tilt": "no",
      "control": [
        {
          "type": "joy",
          "player": "1",
          "buttons": "1",
          "ways": "2",
          "reverse": "no"
        },
        {
          "type": "joy",
          "player": "2",
          "buttons": "1",
          "ways": "2",
          "reverse": "no"
        }
      ]
    },
    "dipswitch": [
      {
        "name": "Coinage",
        "tag": "IN1",
        "mask": "192",
        "dipvalue": [
          {
            "name": "2 Coins/1 Credit",
            "value": "192",
            "default": "no"
          },
          {
            "name": "1 Coin/1 Credit",
            "value": "0",
            "default": "yes"
          },
          {
            "name": "1 Coin/2 Credits",
            "value": "64",
            "default": "no"
          },
          {
            "name": "1 Coin/3 Credits",
            "value": "128",
            "default": "no"
          }
        ]
      },
      {
        "name": "Bonus Life",
        "tag": "IN2",
        "mask": "1",
        "dipvalue": [
          {
            "name": "5000",
            "value": "0",
            "default": "yes"
          },
          {
            "name": "10000",
            "value": "1",
            "default": "no"
          }
        ]
      },
      {
        "name": "Cabinet",
        "tag": "IN2",
        "mask": "2",
        "dipvalue": [
          {
            "name": "Upright",
            "value": "2",
            "default": "yes"
          },
          {
            "name": "Cocktail",
            "value": "0",
            "default": "no"
          }
        ]
      },
      {
        "name": "Unused",
        "tag": "IN2",
        "mask": "4",
        "dipvalue": [
          {
            "name": "Off",
            "value": "0",
            "default": "yes"
          },
          {
            "name": "On",
            "value": "4",
            "default": "no"
          }
        ]
      },
      {
        "name": "Unused",
        "tag": "IN2",
        "mask": "8",
        "dipvalue": [
          {
            "name": "Off",
            "value": "0",
            "default": "yes"
          },
          {
            "name": "On",
            "value": "8",
            "default": "no"
          }
        ]
      }
    ],
    "port": [
      {
        "tag": ":IN0"
      },
      {
        "tag": ":IN1"
      },
      {
        "tag": ":IN2"
      }
    ],
    "driver": {
      "status": "good",
      "emulation": "good",
      "savestate": "supported",
      "requiresartwork": "no",
      "unofficial": "no",
      "nosoundhardware": "no",
      "incomplete": "no"
    }
  }
}