From Data Crystal
| RAM | Purpose
|
| DBD0 | Quantity of keys in posession
|
| DB16 - DB3D | Beginning of dungeon item flags. 5 bytes fo each dungeon, 5th byte is quantity of keys for that dungeon
|
| D401 | Destination data byte 1: 00 - overworld, 01 - dungeon, 02 - side view area
|
| D402 | Destination data byte 2: Values from 00 to 1F accepted. FF is Color Dungeon
|
| D403 | Destination data byte 3: Room number. Must appear on map or it will lead to an empty room
|
| D404 - D405 | Destination data X and Y co-ordinates
|
| DBAE | Your position on the 8x8 dungeon grid
|
| DB00 - DB01 | Your currently held items.
|
| DB02 - DB0B | Inventory
|
| DB0C - DB15 | Auto use items and keys - 00 empty, 01 has item
|