{
  "_notes": [
    "Bally MPU AS-2518-35 (with U6 System ROM: 720-53_6/720-5332)",
    "7-digit score display -- Free Play version of ROMs",
    "See https://www.pinball4you.ch/okaegi/pro_soft.html for details.",
    "Game                          Mfg    Date   IPDB   OPDB",
    "----------------------------  -----  ----   ----   ----",
    "BMX                           Bally  1983   335   431",
    "Cybernaut                     Bally  1985   614  1785",
    "Elektra                       Bally  1981   778   405",
    "Fathom                        Bally  1981   829  1480",
    "Fireball Classic              Bally  1985   853   113",
    "Kings of Steel                Bally  1983  1382  1468",
    "Mr. & Mrs. Pac-Man Pinball    Bally  1982  1639  1157",
    "Medusa                        Bally  1981  1565  1247",
    "Spy Hunter                    Bally  1984  2328   229",
    "Vector                        Bally  1982  2723  1965",
    "X's & O's                     Bally  1984  2822  1995",
    "Originally compiled by Francis De Brabandere.",
    "By default the credits are not shown, set dip switch 27 to show them."
  ],
  "_fileformat": 0.8,
  "_metadata": {
    "version": 3,
    "copyright": [
      "Copyright (C) 2024 by Francis De Brabandere <francisdb@gmail.com>",
      "Copyright (C) 2025 by Tom Collins <tom@scorbit.io>"
    ],
    "license": "GNU Lesser General Public License v3.0",
    "platform": "bally-35-8K",
    "roms": [
      "bmxa",
      "cybrnaua",
      "elektraa",
      "fathoma",
      "fbclassa",
      "kosteela",
      "m_mpaca",
      "medusaa",
      "spyhunta",
      "vectora",
      "xsandosa"
    ]
  },
  "game_state": {
    "_notes": [
      "score @ 0x21E, 0x225, 0x22C, 0x233 are display memory, and active in game",
      "during attract, last game scores at 0x248, 0x24F, 0x256, 0x25D"
    ],
    "credits": {
      "label": "Credits",
      "start": "0x02AD",
      "length": 2,
      "encoding": "bcd"
    },
    "scores": [
      {
        "label": "Player 1",
        "start": "0x021E",
        "encoding": "bcd",
        "length": 7
      },
      {
        "label": "Player 2",
        "start": "0x0225",
        "encoding": "bcd",
        "length": 7
      },
      {
        "label": "Player 3",
        "start": "0x022C",
        "encoding": "bcd",
        "length": 7
      },
      {
        "label": "Player 4",
        "start": "0x0233",
        "encoding": "bcd",
        "length": 7
      }
    ],
    "final_scores": [
      {
        "label": "Final Score P1",
        "start": "0x0248",
        "encoding": "bcd",
        "length": 7
      },
      {
        "label": "Final Score P2",
        "start": "0x024F",
        "encoding": "bcd",
        "length": 7
      },
      {
        "label": "Final Score P3",
        "start": "0x0256",
        "encoding": "bcd",
        "length": 7
      },
      {
        "label": "Final Score P4",
        "start": "0x025D",
        "encoding": "bcd",
        "length": 7
      }
    ],
    "current_ball": {
      "label": "Current Ball",
      "start": "0x0B",
      "nibble": "high",
      "encoding": "bcd"
    },
    "player_count": {
      "label": "Players",
      "start": "0x0B",
      "nibble": "low",
      "encoding": "bcd"
    },
    "current_player": {
      "label": "Current Player",
      "start": "0x0C",
      "encoding": "bcd"
    },
    "ball_count": {
      "label": "Ball Count",
      "encoding": "dipsw",
      "offsets": [
        32,
        31
      ],
      "values": [
        3,
        5,
        4,
        2
      ]
    },
    "max_credits": {
      "label": "Max Credits",
      "encoding": "dipsw",
      "offsets": [
        26,
        25
      ],
      "values": [
        10,
        15,
        25,
        40
      ]
    },
    "free_play": {
      "label": "Free Play",
      "encoding": "dipsw",
      "offsets": [
        26,
        25
      ],
      "values": [
        false,
        false,
        false,
        true
      ]
    },
    "game_over": {
      "_notes": "reading 'game over' lamp",
      "label": "Game Over",
      "start": "0x20C",
      "encoding": "bool",
      "mask": "0x4",
      "invert": true
    },
    "tilted": {
      "_notes": "reading 'tilt' lamp",
      "label": "Tilted",
      "start": "0x20C",
      "encoding": "bool",
      "mask": "0x8",
      "invert": true
    }
  },
  "high_scores": [
    {
      "label": "High Score",
      "short_label": "HS",
      "score": {
        "start": "0x02A6",
        "encoding": "bcd",
        "length": 7
      }
    }
  ],
  "audits": {
    "Bookkeeping functions": {
      "05": {
        "label": "Current Credits",
        "start": "0x02AD",
        "length": 7,
        "encoding": "bcd",
        "min": 0,
        "max": 40
      },
      "06": {
        "label": "Total Plays (Paid and Free Games)",
        "start": "0x02B4",
        "length": 7,
        "encoding": "bcd",
        "min": 0,
        "max": 99999
      },
      "07": {
        "label": "Total Replays (Free Games)",
        "start": "0x02BB",
        "length": 7,
        "encoding": "bcd",
        "min": 0,
        "max": 99999
      },
      "08": {
        "label": "Game Percentage",
        "start": "0x02C2",
        "length": 7,
        "encoding": "bcd",
        "min": 0,
        "max": 99999
      },
      "09": {
        "label": "HSTD Achieved",
        "start": "0x02C9",
        "length": 7,
        "encoding": "bcd",
        "min": 0,
        "max": 99999
      },
      "10": {
        "label": "Coin Chute #1",
        "start": "0x02D0",
        "length": 7,
        "encoding": "bcd",
        "min": 0,
        "max": 99999
      },
      "11": {
        "label": "Coin Chute #2",
        "start": "0x02D7",
        "length": 7,
        "encoding": "bcd",
        "min": 0,
        "max": 99999
      },
      "12": {
        "label": "Coin Chute #3",
        "start": "0x02DE",
        "length": 7,
        "encoding": "bcd",
        "min": 0,
        "max": 99999
      },
      "13": {
        "label": "Specials Awarded",
        "start": "0x02E5",
        "length": 7,
        "encoding": "bcd",
        "min": 0,
        "max": 99999
      },
      "14": {
        "label": "Minutes of Game Play",
        "start": "0x02EC",
        "length": 7,
        "encoding": "bcd",
        "min": 0,
        "max": 99999
      },
      "15": {
        "label": "Service Credits",
        "start": "0x02F3",
        "length": 7,
        "encoding": "bcd",
        "min": 0,
        "max": 99999
      }
    }
  },
  "adjustments": {
    "High score functions": {
      "01": {
        "label": "Replay Level 1",
        "start": "0x0291",
        "encoding": "bcd",
        "length": 7,
        "min": 0,
        "max": 9990000,
        "default": 0,
        "special_values": {
          "0": "OFF"
        },
        "multiple_of": 10000
      },
      "02": {
        "label": "Replay Level 2",
        "start": "0x0298",
        "encoding": "bcd",
        "length": 7,
        "min": 0,
        "max": 9990000,
        "default": 0,
        "special_values": {
          "0": "OFF"
        },
        "multiple_of": 10000
      },
      "03": {
        "label": "Replay Level 3",
        "start": "0x029F",
        "encoding": "bcd",
        "length": 7,
        "min": 0,
        "max": 9990000,
        "default": 0,
        "special_values": {
          "0": "OFF"
        },
        "multiple_of": 10000
      },
      "04": {
        "label": "High score to date",
        "start": "0x02A6",
        "encoding": "bcd",
        "length": 7,
        "min": 0,
        "max": 9990000
      }
    },
    "Game Adjustments": {
      "19": {
        "label": "HSTD Award",
        "start": "0x02FD",
        "encoding": "bcd",
        "min": 0,
        "max": 3,
        "suffix": " credits"
      }
    }
  }
}