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Rooms
Every data in a room block is uncompressed except for the tile data.
Room index
The lookup table for each room starts at 0x80CF4EC. Each entry is 8 bytes long.
[PP PP PP PP] [LL LL] [MM MM]
| P | Absolute pointer to the level header |
| L | Level index (ex: 2 = Breachull beach) |
| M | What music plays in the room |
List of Rooms
There are 38 rooms in the rom.
| ID | Address | Header address | Level | Music | Ingame name | Room name |
|---|---|---|---|---|---|---|
| 0 | 80CF4EC | 80CF61C | 0 | 1 | SPIRALBOTTOM | Spiral mountain |
| 1 | 80CF4F4 | 80F0658 | 0 | 1 | SPIRALMIDDLE | |
| 2 | 80CF4FC | 8113AA4 | 0 | 1 | SPIRALTOP | |
| 3 | 80CF504 | 812E364 | 2 | 2 | QUARRY | Grunty's quarry |
| 4 | 80CF50C | 8153CD4 | 1 | 3 | LOWERFARM | |
| 5 | 80CF514 | 81748A8 | 1 | 3 | UPPERFARM | |
| 6 | 80CF51C | 8199534 | FF | A | MUMBOHUT | Mumbo's hut |
| 7 | 80CF524 | 81A62D4 | 0 | 4 | HONEYB | Honey B's hive |
| 8 | 80CF52C | 81ADCE8 | 2 | 2 | BEACHSTART | Breechull beach |
| 9 | 80CF534 | 81E205C | 2 | C | UNDERCORAL | |
| 10 | 80CF53C | 83BAEB8 | 5 | 5 | OCTOSHOOT | |
| 11 | 80CF544 | 81FD794 | 1 | 3 | COWBOSS | |
| 12 | 80CF54C | 8210E3C | FF | 6 | BEACHSLIDE | Slide minigame |
| 13 | 80CF554 | 82326F0 | 2 | 2 | BEACHTOP | Breachull peak |
| 14 | 80CF55C | 8240E60 | FF | 7 | BEACHSHOOT | |
| 15 | 80CF564 | 824CB5C | 5 | 5 | FJORD | |
| 16 | 80CF56C | 83B94C0 | FF | 6 | SKIDOOS | |
| 17 | 80CF574 | 828093C | 5 | 9 | FURNSECTION | |
| 18 | 80CF57C | 83C98BC | 0 | F | GRUNTY | |
| 19 | 80CF584 | 83902C0 | 3 | B | HOUSEROOMS | |
| 20 | 80CF58C | 835E39C | 3 | B | BOARDWALK | |
| 21 | 80CF594 | 82A8F78 | 5 | 9 | FURNSTORE | |
| 22 | 80CF59C | 82B4674 | 4 | D | HARBOUR | Spiller's harbour |
| 23 | 80CF5A4 | 82DAB88 | 4 | D | CASTLEINNER | |
| 24 | 80CF5AC | 82E8854 | 4 | D | INSIDES | |
| 25 | 80CF5B4 | 83A6370 | 4 | D | OCTOPUS | |
| 26 | 80CF5BC | 82F7E9C | 4 | D | SANDAREA | |
| 27 | 80CF5C4 | 830DA48 | 4 | D | VILLAGE | |
| 28 | 80CF5CC | 832AAA0 | FF | 6 | BOATFIGHT | |
| 29 | 80CF5D4 | 832E668 | 0 | 8 | JIGGYTEMPLE | |
| 30 | 80CF5DC | 8338928 | 1 | C | DIVESPOT | |
| 31 | 80CF5E4 | 833BA54 | 3 | B | CANDLEPUZ | |
| 32 | 80CF5EC | 8382E18 | 5 | 9 | POISONROOM | |
| 33 | 80CF5F4 | 83503DC | 3 | B | SWAMPGAS | |
| 34 | 80CF5FC | 83DA084 | 0 | 0 | FRONTEND | |
| 35 | 80CF604 | 83E2A8C | FF | E | GRUNTYSHOOT | |
| 36 | 80CF60C | 83E6B6C | 5 | 9 | FJORDCAVERN | |
| 37 | 80CF614 | 83F48A8 | FF | 6 | GRUNTYSHOOT |
Room header
The room header is 0x64 bytes long. This data is copied to RAM at 0x3003344.
| Offset | Length | Description |
|---|---|---|
| 0x00 | 2 | Tiledata 1 count |
| 0x02 | 2 | Tileset 1 count |
| 0x04 | 2 | Tiledata 2 count |
| 0x06 | 2 | Tileset 2 count |
| 0x08 | 2 | Amount of layers on |
| 0x0A | 2 | Tilemap X length |
| 0x0C | 2 | Tilemap Y length |
| 0x0E | 1 | |
| 0x0F | 1 | Compression method used (0 = no compression, 1 = LZ77, 2 = huff) |
| 0x10 | 4 | |
| 0x14 | 1 | Layer 1 Tileset (00 = set 1, 01 = set 2) |
| 0x15 | 1 | Layer 2 Tileset (00 = set 1, 01 = set 2) |
| 0x16 | 1 | Layer 3 Tileset (00 = set 1, 01 = set 2) |
| 0x17 | 1 | Layer 4 Tileset (00 = set 1, 01 = set 2) |
| 0x18 | 4 | Background palette pointer |
| 0x1C | 4 | Tiledata 1 pointer |
| 0x20 | 4 | Tileset 1 pointer |
| 0x24 | 4 | Tiledata 2 pointer |
| 0x28 | 4 | Tileset 2 pointer |
| 0x2C | 4 | Tile animations 1 pointer |
| 0x30 | 4 | Tile animations 2 pointer |
| 0x34 | 4 | Collision pointer |
| 0x38 | 4 | Textbar NPC |
| 0x3C | 4 | Textbar bozzeye |
| 0x40 | 4 | Entities pointer |
| 0x44 | 4 | Sprite palette pointer |
| 0x48 | 4 | ?? pointer |
| 0x4C | 4 | Tilemap layer 1 pointer |
| 0x50 | 4 | Tilemap layer 2 pointer |
| 0x54 | 4 | Tilemap layer 3 pointer |
| 0x58 | 4 | Tilemap layer 4 pointer |
| 0x5C | 1 | Layer 1 Stationary (0 = not stationary, 1 = stationary) |
| 0x5D | 1 | Layer 2 Stationary (0 = not stationary, 1 = stationary) |
| 0x5E | 1 | Layer 3 Stationary (0 = not stationary, 1 = stationary) |
| 0x5F | 1 | Layer 4 Stationary (0 = not stationary, 1 = stationary) |
| 0x60 | 4 |
Room data
20: Tileset 1
Each tile is a collection of 16 blocks of 8×8 tiledata. For each block entry is 2 bytes long.
[PP PP] [X] [Y] [TTTTTTTTTT]
| P | The palette of the block |
| X | X mirror boolean |
| Y | Y mirror boolean |
| T | The block of tiledata it uses. |
28: Tileset 2
See Tileset 1
2C: Tile animations
Tile animations store its own tiledata. In game the animated tiledata is first put in VRAM and then the other tile data.
Block structure
| Size | Description |
|---|---|
| 4 | Number of tile animations |
| 8 * n | Tile animation index |
| 16 * n | Tiledata |
Tile animation index
Each entry is 8 bytes long.
[FF FF] [SS SS] [PP PP PP PP]
| F | Number of frames |
| S | Frames per second |
| P | tiledata pointer |
Tiledata
Each entry is 1 block 8×8 of tiledata. See Tileset 1
34: Collision
38: Textbar NPC
3C: Textbar bozzeye
see Textbar NPC
