{
  "_notes": [
    "Adjustment numbering is arbitrary.  Free Play ROM sets credits=max_credits on START.",
    "Scores only available in display memory, unlike later Atari Gen 1 games."
  ],
  "_fileformat": 0.8,
  "_metadata": {
    "version": 2,
    "copyright": [
      "Copyright (C) 2026 by Tom Collins <tom@scorbit.io>"
    ],
    "license": "Open Data Commons Open Database License (ODbL) v1.0",
    "platform": "atari-gen1",
    "roms": [
      "atarians",
      "atarianf"
    ],
    "free_only": [
      "atarianf"
    ]
  },
  "game_state": {
    "scores": [
      {
        "label": "Player 1",
        "start": "0x000C",
        "encoding": "bcd",
        "length": 3,
        "special_values": {
          "888888": 0
        }
      },
      {
        "label": "Player 2",
        "start": "0x0008",
        "encoding": "bcd",
        "length": 3,
        "special_values": {
          "888888": 0
        }
      },
      {
        "label": "Player 3",
        "start": "0x0004",
        "encoding": "bcd",
        "length": 3,
        "special_values": {
          "888888": 0
        }
      },
      {
        "label": "Player 4",
        "start": "0x0000",
        "encoding": "bcd",
        "length": 3,
        "special_values": {
          "888888": 0
        }
      }
    ],
    "credits": {
      "label": "Credits",
      "_notes": "also in display memory at 0x1D (bcd)",
      "start": "0x00CE",
      "encoding": "bcd"
    },
    "max_credits": {
      "label": "Max Credits",
      "start": "0x00E0",
      "encoding": "bcd"
    },
    "current_ball": {
      "label": "Ball",
      "_notes": "also in display memory at 0x1C",
      "start": "0x00C6",
      "encoding": "bcd"
    },
    "ball_count": {
      "label": "Balls",
      "start": "0x00C7",
      "encoding": "bcd"
    },
    "current_player": {
      "label": "Player",
      "start": "0x00C3",
      "encoding": "bcd"
    },
    "player_count": {
      "label": "Players",
      "start": "0x00C4",
      "encoding": "bcd"
    },
    "game_over": {
      "_notes": "true when player_count==0",
      "label": "Game Over",
      "start": "0x00C4",
      "encoding": "bool",
      "invert": true
    }
  },
  "adjustments": {
    "Adjustments": {
      "01": {
        "label": "Low Replay Level",
        "start": "0x00CB",
        "encoding": "bcd",
        "scale": 10000
      },
      "02": {
        "label": "Medium Replay Level",
        "start": "0x00CA",
        "encoding": "bcd",
        "scale": 10000
      },
      "03": {
        "label": "High Replay Level",
        "start": "0x00C9",
        "encoding": "bcd",
        "scale": 10000
      }
    }
  }
}