{
  "machine": {
    "name": "retofinvb2",
    "sourcefile": "taito/retofinv.cpp",
    "cloneof": "retofinv",
    "romof": "retofinv",
    "isbios": "no",
    "isdevice": "no",
    "ismechanical": "no",
    "runnable": "yes",
    "description": "Return of the Invaders (bootleg, without MCU, set 2)",
    "year": "1985",
    "manufacturer": "bootleg",
    "rom": [
      {
        "name": "ri-c.1e",
        "size": "8192",
        "crc": "e3c31260",
        "sha1": "cc8774251c567da2e4a54091223927c95f497fe8",
        "region": "maincpu",
        "offset": "0",
        "status": "good",
        "optional": "no"
      },
      {
        "name": "roi.01b",
        "size": "8192",
        "crc": "3379f930",
        "sha1": "c67d687a10b6240bd6e2fbdb15e1b7d276e6fc07",
        "region": "maincpu",
        "offset": "2000",
        "status": "good",
        "optional": "no"
      },
      {
        "name": "ri-a.1c",
        "size": "8192",
        "crc": "3ae7c530",
        "sha1": "5d1be375494fa07124071067661c4bfc2d724d54",
        "region": "maincpu",
        "offset": "4000",
        "status": "good",
        "optional": "no"
      },
      {
        "name": "a37-04.62",
        "merge": "a37__04.ic62",
        "size": "8192",
        "crc": "d2899cc1",
        "sha1": "fdbec743b06f4cdcc134ef863e4e71337ad0b2c5",
        "region": "sub",
        "offset": "0",
        "status": "good",
        "optional": "no"
      },
      {
        "name": "a37-05.17",
        "merge": "a37__05.ic17",
        "size": "8192",
        "crc": "9025abea",
        "sha1": "2f03e8572f23624d7cd1215a55109e97fd66e271",
        "region": "audiocpu",
        "offset": "0",
        "status": "good",
        "optional": "no"
      },
      {
        "name": "a37-16.61",
        "merge": "a37__16.gfxboard.ic61",
        "size": "8192",
        "crc": "4e3f501c",
        "sha1": "2d832f4038ae65bfdeedfab870f6f1176ec6b676",
        "region": "fgtiles",
        "offset": "0",
        "status": "good",
        "optional": "no"
      },
      {
        "name": "a37-10.8",
        "merge": "a37__10.gfxboard.ic8",
        "size": "8192",
        "crc": "6afdeec8",
        "sha1": "782fe0a8aea48c3c270318b7ba011fc6fce0db7a",
        "region": "sprites",
        "offset": "0",
        "status": "good",
        "optional": "no"
      },
      {
        "name": "a37-11.9",
        "merge": "a37__11.gfxboard.ic9",
        "size": "8192",
        "crc": "d3dc9da3",
        "sha1": "0d98d6e993b5a4845a23802751023b7a593dce29",
        "region": "sprites",
        "offset": "2000",
        "status": "good",
        "optional": "no"
      },
      {
        "name": "a37-12.10",
        "merge": "a37__12.gfxboard.ic10",
        "size": "8192",
        "crc": "d10b2eed",
        "sha1": "3809a0adf935a119f9ee0d4c24f1456c35d2a6fa",
        "region": "sprites",
        "offset": "4000",
        "status": "good",
        "optional": "no"
      },
      {
        "name": "a37-13.11",
        "merge": "a37__13.gfxboard.ic11",
        "size": "8192",
        "crc": "00ca6b3d",
        "sha1": "08ce5b13d5ebc79cc803949f4ba9e630e6cd92b8",
        "region": "sprites",
        "offset": "6000",
        "status": "good",
        "optional": "no"
      },
      {
        "name": "a37-14.55",
        "merge": "a37__14.gfxboard.ic55",
        "size": "8192",
        "crc": "ef7f8651",
        "sha1": "2d91057501e5e9c4255e0d55fff0d99c2a5be7e8",
        "region": "bgtiles",
        "offset": "0",
        "status": "good",
        "optional": "no"
      },
      {
        "name": "a37-15.56",
        "merge": "a37__15.gfxboard.ic56",
        "size": "8192",
        "crc": "03b40905",
        "sha1": "c10d87796e8a6e6a2a37c6fb713821cc87299cc8",
        "region": "bgtiles",
        "offset": "2000",
        "status": "good",
        "optional": "no"
      },
      {
        "name": "a37-06.13",
        "merge": "a37-06.ic13",
        "size": "256",
        "crc": "e9643b8b",
        "sha1": "7bbb92a42e7c3effb701fc7b2c24f2470f31b063",
        "region": "palette",
        "offset": "0",
        "status": "good",
        "optional": "no"
      },
      {
        "name": "a37-07.4",
        "merge": "a37-07.ic4",
        "size": "256",
        "crc": "e8f34e11",
        "sha1": "8f438561b8d46ffff00747ed8baf0ebb6a081615",
        "region": "palette",
        "offset": "100",
        "status": "good",
        "optional": "no"
      },
      {
        "name": "a37-08.3",
        "merge": "a37-08.ic3",
        "size": "256",
        "crc": "50030af0",
        "sha1": "e748ae0b8702b7d20fb65c254dceee23246b3d13",
        "region": "palette",
        "offset": "200",
        "status": "good",
        "optional": "no"
      },
      {
        "name": "82s191n",
        "size": "2048",
        "crc": "93c891e3",
        "sha1": "643a0107717b6a434432dda73a0102e6e8adbca7",
        "region": "clut",
        "offset": "0",
        "status": "good",
        "optional": "no"
      }
    ],
    "device_ref": [
      {
        "tag": ":maincpu",
        "name": "z80"
      },
      {
        "tag": ":sub",
        "name": "z80"
      },
      {
        "tag": ":audiocpu",
        "name": "z80"
      },
      {
        "tag": ":mainlatch",
        "name": "ls259"
      },
      {
        "tag": ":watchdog",
        "name": "watchdog"
      },
      {
        "tag": ":screen",
        "name": "screen"
      },
      {
        "tag": ":gfxdecode",
        "name": "gfxdecode"
      },
      {
        "tag": ":palette",
        "name": "palette"
      },
      {
        "tag": ":mono",
        "name": "speaker"
      },
      {
        "tag": ":soundlatch",
        "name": "generic_latch_8"
      },
      {
        "tag": ":sn1",
        "name": "sn76489a"
      },
      {
        "tag": ":sn2",
        "name": "sn76489a"
      }
    ],
    "chip": [
      {
        "type": "cpu",
        "tag": "maincpu",
        "name": "Zilog Z80",
        "clock": "3072000"
      },
      {
        "type": "cpu",
        "tag": "sub",
        "name": "Zilog Z80",
        "clock": "3072000"
      },
      {
        "type": "cpu",
        "tag": "audiocpu",
        "name": "Zilog Z80",
        "clock": "3072000"
      },
      {
        "type": "audio",
        "tag": "mono",
        "name": "Speaker"
      },
      {
        "type": "audio",
        "tag": "sn1",
        "name": "SN76489A",
        "clock": "3072000"
      },
      {
        "type": "audio",
        "tag": "sn2",
        "name": "SN76489A",
        "clock": "3072000"
      }
    ],
    "display": {
      "tag": "screen",
      "type": "raster",
      "rotate": "90",
      "width": "288",
      "height": "224",
      "refresh": "60.580000",
      "flipx": "no"
    },
    "sound": {
      "channels": "1"
    },
    "input": {
      "players": "2",
      "coins": "2",
      "tilt": "yes",
      "service": "no",
      "control": [
        {
          "type": "joy",
          "player": "1",
          "buttons": "1",
          "ways": "2",
          "reverse": "no"
        },
        {
          "type": "joy",
          "player": "2",
          "buttons": "1",
          "ways": "2",
          "reverse": "no"
        }
      ]
    },
    "dipswitch": [
      {
        "name": "Bonus Life",
        "tag": "DSW1",
        "mask": "3",
        "diplocation": [
          {
            "name": "DSW-A (RB3)",
            "number": "1",
            "inverted": "no"
          },
          {
            "name": "DSW-A (RB3)",
            "number": "2",
            "inverted": "no"
          }
        ],
        "dipvalue": [
          {
            "name": "30k, 80k & every 80k",
            "value": "3",
            "default": "yes"
          },
          {
            "name": "30k, 80k",
            "value": "2",
            "default": "no"
          },
          {
            "name": "30k",
            "value": "1",
            "default": "no"
          },
          {
            "name": "None",
            "value": "0",
            "default": "no"
          }
        ]
      },
      {
        "name": "Free Play",
        "tag": "DSW1",
        "mask": "4",
        "diplocation": {
          "name": "DSW-A (RB3)",
          "number": "3",
          "inverted": "no"
        },
        "dipvalue": [
          {
            "name": "No",
            "value": "4",
            "default": "yes"
          },
          {
            "name": "Yes",
            "value": "0",
            "default": "no"
          }
        ]
      },
      {
        "name": "Lives",
        "tag": "DSW1",
        "mask": "24",
        "diplocation": [
          {
            "name": "DSW-A (RB3)",
            "number": "4",
            "inverted": "no"
          },
          {
            "name": "DSW-A (RB3)",
            "number": "5",
            "inverted": "no"
          }
        ],
        "dipvalue": [
          {
            "name": "1",
            "value": "24",
            "default": "no"
          },
          {
            "name": "2",
            "value": "16",
            "default": "no"
          },
          {
            "name": "3",
            "value": "8",
            "default": "yes"
          },
          {
            "name": "4",
            "value": "0",
            "default": "no"
          }
        ]
      },
      {
        "name": "Unused",
        "tag": "DSW1",
        "mask": "32",
        "diplocation": {
          "name": "DSW-A (RB3)",
          "number": "6",
          "inverted": "no"
        },
        "dipvalue": [
          {
            "name": "Off",
            "value": "32",
            "default": "yes"
          },
          {
            "name": "On",
            "value": "0",
            "default": "no"
          }
        ]
      },
      {
        "name": "Flip Screen",
        "tag": "DSW1",
        "mask": "64",
        "diplocation": {
          "name": "DSW-A (RB3)",
          "number": "7",
          "inverted": "no"
        },
        "dipvalue": [
          {
            "name": "Off",
            "value": "64",
            "default": "yes"
          },
          {
            "name": "On",
            "value": "0",
            "default": "no"
          }
        ]
      },
      {
        "name": "Cabinet",
        "tag": "DSW1",
        "mask": "128",
        "diplocation": {
          "name": "DSW-A (RB3)",
          "number": "8",
          "inverted": "no"
        },
        "dipvalue": [
          {
            "name": "Upright",
            "value": "0",
            "default": "yes"
          },
          {
            "name": "Cocktail",
            "value": "128",
            "default": "no"
          }
        ]
      },
      {
        "name": "Coin A",
        "tag": "DSW2",
        "mask": "15",
        "diplocation": [
          {
            "name": "DSW-B (RB2)",
            "number": "1",
            "inverted": "no"
          },
          {
            "name": "DSW-B (RB2)",
            "number": "2",
            "inverted": "no"
          },
          {
            "name": "DSW-B (RB2)",
            "number": "3",
            "inverted": "no"
          },
          {
            "name": "DSW-B (RB2)",
            "number": "4",
            "inverted": "no"
          }
        ],
        "dipvalue": [
          {
            "name": "9 Coins/1 Credit",
            "value": "15",
            "default": "no"
          },
          {
            "name": "8 Coins/1 Credit",
            "value": "14",
            "default": "no"
          },
          {
            "name": "7 Coins/1 Credit",
            "value": "13",
            "default": "no"
          },
          {
            "name": "6 Coins/1 Credit",
            "value": "12",
            "default": "no"
          },
          {
            "name": "5 Coins/1 Credit",
            "value": "11",
            "default": "no"
          },
          {
            "name": "4 Coins/1 Credit",
            "value": "10",
            "default": "no"
          },
          {
            "name": "3 Coins/1 Credit",
            "value": "9",
            "default": "no"
          },
          {
            "name": "2 Coins/1 Credit",
            "value": "8",
            "default": "no"
          },
          {
            "name": "1 Coin/1 Credit",
            "value": "0",
            "default": "yes"
          },
          {
            "name": "1 Coin/2 Credits",
            "value": "1",
            "default": "no"
          },
          {
            "name": "1 Coin/3 Credits",
            "value": "2",
            "default": "no"
          },
          {
            "name": "1 Coin/4 Credits",
            "value": "3",
            "default": "no"
          },
          {
            "name": "1 Coin/5 Credits",
            "value": "4",
            "default": "no"
          },
          {
            "name": "1 Coin/6 Credits",
            "value": "5",
            "default": "no"
          },
          {
            "name": "1 Coin/7 Credits",
            "value": "6",
            "default": "no"
          },
          {
            "name": "1 Coin/8 Credits",
            "value": "7",
            "default": "no"
          }
        ]
      },
      {
        "name": "Coin B",
        "tag": "DSW2",
        "mask": "240",
        "diplocation": [
          {
            "name": "DSW-B (RB2)",
            "number": "5",
            "inverted": "no"
          },
          {
            "name": "DSW-B (RB2)",
            "number": "6",
            "inverted": "no"
          },
          {
            "name": "DSW-B (RB2)",
            "number": "7",
            "inverted": "no"
          },
          {
            "name": "DSW-B (RB2)",
            "number": "8",
            "inverted": "no"
          }
        ],
        "dipvalue": [
          {
            "name": "9 Coins/1 Credit",
            "value": "240",
            "default": "no"
          },
          {
            "name": "8 Coins/1 Credit",
            "value": "224",
            "default": "no"
          },
          {
            "name": "7 Coins/1 Credit",
            "value": "208",
            "default": "no"
          },
          {
            "name": "6 Coins/1 Credit",
            "value": "192",
            "default": "no"
          },
          {
            "name": "5 Coins/1 Credit",
            "value": "176",
            "default": "no"
          },
          {
            "name": "4 Coins/1 Credit",
            "value": "160",
            "default": "no"
          },
          {
            "name": "3 Coins/1 Credit",
            "value": "144",
            "default": "no"
          },
          {
            "name": "2 Coins/1 Credit",
            "value": "128",
            "default": "no"
          },
          {
            "name": "1 Coin/1 Credit",
            "value": "0",
            "default": "yes"
          },
          {
            "name": "1 Coin/2 Credits",
            "value": "16",
            "default": "no"
          },
          {
            "name": "1 Coin/3 Credits",
            "value": "32",
            "default": "no"
          },
          {
            "name": "1 Coin/4 Credits",
            "value": "48",
            "default": "no"
          },
          {
            "name": "1 Coin/5 Credits",
            "value": "64",
            "default": "no"
          },
          {
            "name": "1 Coin/6 Credits",
            "value": "80",
            "default": "no"
          },
          {
            "name": "1 Coin/7 Credits",
            "value": "96",
            "default": "no"
          },
          {
            "name": "1 Coin/8 Credits",
            "value": "112",
            "default": "no"
          }
        ]
      },
      {
        "name": "Push Start to Skip Stage (Cheat)",
        "tag": "DSW3",
        "mask": "1",
        "diplocation": {
          "name": "DSW-C (RB1)",
          "number": "1",
          "inverted": "no"
        },
        "dipvalue": [
          {
            "name": "Off",
            "value": "1",
            "default": "yes"
          },
          {
            "name": "On",
            "value": "0",
            "default": "no"
          }
        ]
      },
      {
        "name": "Unused",
        "tag": "DSW3",
        "mask": "2",
        "diplocation": {
          "name": "DSW-C (RB1)",
          "number": "2",
          "inverted": "no"
        },
        "dipvalue": [
          {
            "name": "Off",
            "value": "2",
            "default": "yes"
          },
          {
            "name": "On",
            "value": "0",
            "default": "no"
          }
        ]
      },
      {
        "name": "Unused",
        "tag": "DSW3",
        "mask": "4",
        "diplocation": {
          "name": "DSW-C (RB1)",
          "number": "3",
          "inverted": "no"
        },
        "dipvalue": [
          {
            "name": "Off",
            "value": "4",
            "default": "yes"
          },
          {
            "name": "On",
            "value": "0",
            "default": "no"
          }
        ]
      },
      {
        "name": "Unused",
        "tag": "DSW3",
        "mask": "8",
        "diplocation": {
          "name": "DSW-C (RB1)",
          "number": "4",
          "inverted": "no"
        },
        "dipvalue": [
          {
            "name": "Off",
            "value": "8",
            "default": "yes"
          },
          {
            "name": "On",
            "value": "0",
            "default": "no"
          }
        ]
      },
      {
        "name": "Coin Per Play Display",
        "tag": "DSW3",
        "mask": "16",
        "diplocation": {
          "name": "DSW-C (RB1)",
          "number": "5",
          "inverted": "no"
        },
        "dipvalue": [
          {
            "name": "No",
            "value": "0",
            "default": "no"
          },
          {
            "name": "Yes",
            "value": "16",
            "default": "yes"
          }
        ]
      },
      {
        "name": "Year Display",
        "tag": "DSW3",
        "mask": "32",
        "diplocation": {
          "name": "DSW-C (RB1)",
          "number": "6",
          "inverted": "no"
        },
        "dipvalue": [
          {
            "name": "No",
            "value": "0",
            "default": "no"
          },
          {
            "name": "Yes",
            "value": "32",
            "default": "yes"
          }
        ]
      },
      {
        "name": "Invulnerability (Cheat)",
        "tag": "DSW3",
        "mask": "64",
        "diplocation": {
          "name": "DSW-C (RB1)",
          "number": "7",
          "inverted": "no"
        },
        "dipvalue": [
          {
            "name": "Off",
            "value": "64",
            "default": "yes"
          },
          {
            "name": "On",
            "value": "0",
            "default": "no"
          }
        ]
      },
      {
        "name": "Coinage",
        "tag": "DSW3",
        "mask": "128",
        "diplocation": {
          "name": "DSW-C (RB1)",
          "number": "8",
          "inverted": "no"
        },
        "dipvalue": [
          {
            "name": "A and B",
            "value": "128",
            "default": "yes"
          },
          {
            "name": "A only",
            "value": "0",
            "default": "no"
          }
        ]
      }
    ],
    "port": [
      {
        "tag": ":DSW1"
      },
      {
        "tag": ":DSW2"
      },
      {
        "tag": ":DSW3"
      },
      {
        "tag": ":P1"
      },
      {
        "tag": ":P2"
      },
      {
        "tag": ":SYSTEM"
      }
    ],
    "driver": {
      "status": "good",
      "emulation": "good",
      "savestate": "supported",
      "requiresartwork": "no",
      "unofficial": "no",
      "nosoundhardware": "no",
      "incomplete": "no"
    }
  }
}