Sonic Heroes/DOL Editing

SCHG: Sonic Heroes
Main Article
Mechanic Editing
DOL Editing EXE Editing Music Pointers Object Parameter Data Relocatable Editing (PC) File Offsets
Model Editing
Collision Format Model Format
Level Editing
Camera Editing Event Editing ID list Indirect Editing Light Editing Level List Object Editing Object Porting Spline Editing Texture Animation Editing Visibility Editing
Particle Editing
Particle Editing
Sound Editing
Music List Sound Editing Voices
SCHG How-Tos
Custom Object Material Effect Tutorial Level Editing Tutorial

The main DOL of the GC game is start.dol. This executable contains codes in different offsets for each region and version released in a variety of countries.

Material Opcodes

A number of code sections contain additional material/graphic codes that are rendered via Renderware engine that provides special effects to an object such as Espio's invisibility and Thundershoot electricity effects.
Function entry:

RenderWare Material function:
38 60 00 00 38 80 00 00

Offset	Type	Description
0x04	Byte	Material type
0x08	Byte	Material value

Nintendo System Material function:
38 60 00 00 38 80 00 00 38 A0 00 00 38 c0 00 00