{
  "_notes": [
    "Compiled by Francis De Brabandere.",
    "Eight Ball Deluxe (Bally 1981) -- Free Play version of ROMs",
    "https://www.ipdb.org/machine.cgi?id=762",
    "https://opdb.org/machines/306",
    "Bally MPU AS-2518-35 (U6: 720-52_6.732)",
    "7-digit score display",
    "By default the credits are not shown, set dip switch 27 to show them.",
    "The vpx table is overriding all rom switches, so the credits are always shown.",
    "Same layout as centaur."
  ],
  "_fileformat": 0.8,
  "_metadata": {
    "version": 2,
    "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": [
      "eballdla"
    ]
  },
  "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",
      "encoding": "bcd"
    },
    "player_count": {
      "label": "Players",
      "start": "0x0C",
      "encoding": "bcd"
    },
    "current_player": {
      "label": "Current Player",
      "start": "0x0D",
      "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": {
      "16": {
        "label": "High Score award #1",
        "start": "0x02FA",
        "encoding": "bcd",
        "min": 0,
        "max": 3,
        "special_values": {
          "0": "No Award",
          "1": "Novelty",
          "2": "Extra Ball",
          "3": "Replay"
        }
      },
      "17": {
        "label": "High Score award #2",
        "start": "0x02FB",
        "encoding": "bcd",
        "min": 0,
        "max": 3,
        "special_values": {
          "0": "No Award",
          "1": "No Award",
          "2": "Extra Ball",
          "3": "Replay"
        }
      },
      "18": {
        "label": "???",
        "start": "0x02FC",
        "encoding": "bcd",
        "min": 0,
        "max": 3
      },
      "19": {
        "label": "HSTD Award",
        "start": "0x02FD",
        "encoding": "bcd",
        "min": 0,
        "max": 3,
        "suffix": " credits"
      },
      "20": {
        "label": "???",
        "start": "0x02FE",
        "encoding": "int",
        "min": 0,
        "max": 15
      },
      "21": {
        "label": "???",
        "start": "0x02FF",
        "encoding": "int",
        "min": 0,
        "max": 15
      },
      "22": {
        "label": "Backbox Deluxe Feature",
        "_notes": "default value of 15, even if that is not in the range",
        "start": "0x028D",
        "encoding": "int",
        "min": 0,
        "max": 3,
        "special_values": {
          "0": "No Award",
          "1": "One Credit",
          "2": "Two Credits",
          "3": "Three Credits"
        }
      }
    }
  }
}