{
  "machine": {
    "name": "semcrossw",
    "sourcefile": "skeleton/semcrossw.cpp",
    "isbios": "no",
    "isdevice": "no",
    "ismechanical": "no",
    "runnable": "yes",
    "description": "Crosswalk traffic light controller (unknown model)",
    "year": "19??",
    "manufacturer": "Etra",
    "rom": [
      {
        "name": "at27c16.bin",
        "size": "2048",
        "crc": "2e7b10b1",
        "sha1": "fba6465db1baa38ab79ed24a85de460f8be488b9",
        "region": "maincpu",
        "offset": "0",
        "status": "good",
        "optional": "no"
      },
      {
        "name": "x2816cp-12.bin",
        "size": "2048",
        "crc": "c2ef2e80",
        "sha1": "6c3c4215169c2941a37053888174fe0499301bac",
        "status": "baddump",
        "region": "eeprom",
        "offset": "0",
        "optional": "no"
      }
    ],
    "device_ref": [
      {
        "tag": ":maincpu",
        "name": "m6802"
      },
      {
        "tag": ":pia1",
        "name": "pia6821"
      },
      {
        "tag": ":pia2",
        "name": "pia6821"
      }
    ],
    "chip": {
      "type": "cpu",
      "tag": "maincpu",
      "name": "Motorola MC6802",
      "clock": "4000000"
    },
    "sound": {
      "channels": "0"
    },
    "input": {
      "players": "0",
      "service": "no",
      "tilt": "no"
    },
    "driver": {
      "status": "preliminary",
      "emulation": "preliminary",
      "savestate": "unsupported",
      "requiresartwork": "no",
      "unofficial": "no",
      "nosoundhardware": "no",
      "incomplete": "no"
    },
    "feature": {
      "type": "sound",
      "status": "unemulated"
    }
  }
}