{
  "machine": {
    "name": "piet1",
    "sourcefile": "nec/piet1.cpp",
    "isbios": "no",
    "isdevice": "no",
    "ismechanical": "no",
    "runnable": "yes",
    "description": "Electronic Tool PI-ET1",
    "year": "1990",
    "manufacturer": "NEC",
    "rom": {
      "name": "d23c4000gf-a69.ic112",
      "size": "524288",
      "crc": "e175fb54",
      "sha1": "db5f72904b7f6a82a728a7ce968612673119def4",
      "region": "mask_rom",
      "offset": "0",
      "status": "good",
      "optional": "no"
    },
    "device_ref": [
      {
        "tag": ":maincpu",
        "name": "z80"
      },
      {
        "tag": ":ram",
        "name": "ram"
      },
      {
        "tag": ":rtc",
        "name": "upd4991a"
      },
      {
        "tag": ":screen",
        "name": "screen"
      },
      {
        "tag": ":palette",
        "name": "palette"
      }
    ],
    "chip": {
      "type": "cpu",
      "tag": "maincpu",
      "name": "Zilog Z80",
      "clock": "8000000"
    },
    "display": {
      "tag": "screen",
      "type": "lcd",
      "rotate": "0",
      "width": "160",
      "height": "64",
      "refresh": "60.000000",
      "pixclock": "614400",
      "htotal": "160",
      "hbend": "0",
      "hbstart": "160",
      "vtotal": "64",
      "vbend": "0",
      "vbstart": "64",
      "flipx": "no"
    },
    "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"
    },
    "ramoption": {
      "name": "32K",
      "default": "yes",
      "#text": "32768"
    }
  }
}