Sonic the Hedgehog CD/RAM Editing
From Sonic Retro
Main System Memory Locations
This is a map of 68k memory as used by the main gameplay engine. Note that any numbers entered (for example, score or number of rings) will have to be converted to hex first.
These are the offsets in RAM.
| RAM offset | Description |
|---|---|
| $0000 - $7FFF | Metablock table |
| $8000 - $8FFF | Level layout |
| $9000 - $A9FF | Block table |
| $AA00 - $A?FF | Decompression buffer |
| $AC00 - $AFFF | Sprite table input. Intermediate storage for sprite attribute table data destined for $DD00 or $F800. |