Source reference

sdk/contract.json

{
  "sdkVersion": "0.2.0",
  "sdkVersionWord": 512,
  "abiVersion": 2,
  "profile": "resource-av-1",
  "profiles": [
    {"id": 1, "name": "2d-preview-1", "sdk": "0.1.0", "sdkWord": 256, "abi": 1, "protocol": 0, "features": 0},
    {"id": 2, "name": "resource-av-1", "sdk": "0.2.0", "sdkWord": 512, "abi": 2, "protocol": 4, "features": 7},
    {"id": 3, "name": "compact-3d-preview-1", "sdk": "0.3.0", "sdkWord": 768, "abi": 2, "protocol": 5, "features": 15},
    {"id": 4, "name": "textured-3d-preview-1", "sdk": "0.4.0", "sdkWord": 1024, "abi": 2, "protocol": 6, "features": 31},
    {"id": 5, "name": "alpha-3d-preview-1", "sdk": "0.5.0", "sdkWord": 1280, "abi": 2, "protocol": 7, "features": 63},
    {"id": 6, "name": "effects-3d-preview-1", "sdk": "0.6.0", "sdkWord": 1536, "abi": 2, "protocol": 8, "features": 127},
    {"id": 7, "name": "ogg-streaming-preview-1", "sdk": "0.7.0", "sdkWord": 1792, "abi": 2, "protocol": 9, "features": 255}
  ],
  "tickRate": 60,
  "inputVersion": 2,
  "textInput": {"version": 1, "maxBytes": 256, "headerBytes": 48, "flags": {"active": 1, "changed": 2, "submitted": 4, "cancelled": 8}, "fields": {"version": 0, "id": 4, "revision": 8, "flags": 12, "maxBytes": 16, "length": 20, "start": 24, "end": 28, "x": 32, "y": 36, "width": 40, "height": 44}},
  "save": {"identityVersion": 1, "identityPrefix": "bytorio-save-v1\u0000", "identityChunk": "saVe", "maxIdentityBytes": 128, "maxLegacyKeys": 16, "identityHeaderBytes": 4, "digestBytes": 32, "version": 1, "maxBytes": 65536, "status": {"empty": 0, "ready": 1, "pending": 2, "error": 3}},
  "defaults": {"clearColor": 4281475093, "randomSeed": 1, "zeroSeedFallback": 1831565813, "previewSampleRate": 48000},
  "displayModes": [[640, 360], [320, 180]],
  "defaultDisplayMode": [640, 360],
  "cartridge": {
    "containerVersion": 1,
    "pngChunk": "caRt",
    "payloadMagic": "CART",
    "profileId": 2,
    "headerBytes": 32,
    "maxPngBytes": 2097152,
    "content": {"magic": 1414419523, "version": 1, "headerBytes": 12, "recordBytes": 12, "maxEntries": 65536, "maxBytes": 536870912, "maxReadBytes": 1048576, "headerFields": {"magic": 0, "version": 4, "count": 8}, "recordFields": {"id": 0, "offset": 4, "length": 8}},
    "maxCoverWidth": 1024,
    "maxCoverHeight": 1024,
    "maxTitleBytes": 128,
    "maxChunks": 4096,
    "languages": {"luau": 1, "odin": 2},
    "fields": {"magic": 0, "version": 4, "language": 6, "profile": 7, "sdkVersion": 8, "abiVersion": 12, "width": 16, "height": 18, "titleBytes": 20, "codeBytes": 24, "flags": 28}
  },
  "limits": {
    "moduleBytes": 1048576,
    "guestMemoryBytes": 8388608,
    "luauSourceBytes": 262144,
    "luauHeapBytes": 4194304,
    "commands": 16384,
    "textBytes": 16384,
    "textBytesPerCommand": 1024,
    "graphicsBytes": 66512,
    "sprites": 256,
    "coordinateMin": -4096,
    "coordinateMax": 4096
  },
  "buttons": {"left": 1, "right": 2, "up": 4, "down": 8, "action": 16},
  "extendedButtons": {"move_left": 32, "move_right": 64, "move_up": 128, "move_down": 256, "pan_left": 512, "pan_right": 1024, "pan_up": 2048, "pan_down": 4096, "rotate_left": 8192, "rotate_right": 16384, "reset": 32768, "pointer_left": 65536, "pointer_right": 131072, "pointer_hover": 262144, "wheel_up": 524288, "wheel_down": 1048576, "inventory": 2097152, "character": 4194304, "skills": 8388608, "quest": 16777216, "map": 33554432, "potion_1": 67108864, "potion_2": 134217728, "potion_3": 268435456, "potion_4": 536870912, "shift": 1073741824, "escape": 2147483648},
  "records": {
    "frame": {"bytes": 40, "fields": {"version": 0, "clear": 4, "spriteX": 8, "spriteY": 12, "ticks": 16, "sounds": 20, "debugX": 24, "debugY": 32}},
    "command": {"bytes": 32, "fields": {"kind": 0, "x": 4, "y": 8, "w": 12, "h": 16, "color": 20, "offset": 24, "length": 28}},
    "graphics": {"magic": 827868743, "headerBytes": 16, "paletteEntries": 16, "spriteWidth": 16, "spriteHeight": 16, "glyphs": 128, "glyphRows": 7}
  },
  "commandKinds": {"rect": 0, "sprite": 1, "text": 2, "spriteSize": 3},
  "requiredExports": {
    "game_profile": "() -> i32",
    "game_required_features": "() -> i32",
    "game_resource_protocol": "() -> i32",
    "game_resource_configure": "(i32) -> i32",
    "game_commit": "() -> i32",
    "game_commit_size": "() -> i32",
    "game_commit_ack": "(i32) -> i32",
    "game_resource_mailbox": "() -> i32",
    "game_resource_mailbox_capacity": "() -> i32",
    "game_resource_mailbox_size": "(i32) -> i32",
    "game_abi": "() -> i32",
    "game_sdk_version": "() -> i32",
    "game_frame_size": "() -> i32",
    "game_init": "() -> ()",
    "game_update": "(i32, i32, f64, f64) -> ()",
    "game_draw": "() -> i32",
    "game_display_mode": "() -> i32",
    "game_commands": "() -> i32",
    "game_command_count": "() -> i32",
    "game_command_stride": "() -> i32",
    "game_text": "() -> i32",
    "game_text_size": "() -> i32",
    "game_assets": "() -> i32",
    "game_assets_size": "() -> i32",
    "game_error": "() -> i32",
    "game_error_length": "() -> i32"
  }
}