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Due to our recent technical difficulties, we only have OVER NINE THOUSAAAAAAAAAAND of our images and files working. The Sonic Retro staff is working as fast as they can to restore these documents. Please do not report broken links at this time.

SCHG:Sonic CD 510 Beta/General Tweaking

From Sonic Retro

SCHG: Sonic CD 510 Beta
Main Article
File Locations
File Locations
Art Editing
Compressed Art
*.MMD Editing
*.MMD Breakdown
Object Layout
Level Layout
Palettes
General Tweaking
General Tweaking

It's tweaking time! This section will give you steps to do some general tweaking of the ISO, and why that does what it does.

How many rings to lose when hit

In your hex editor, search for 33 FC 00 00 00 FF 12 20. This basically moves 0 to $FF1220 (the address in RAM that contains how many rings you have) when you get hit. Change the 00 00 to whatever value you want. If you want to lose no rings entirely, change 33 FC 00 00 00 FF 12 20 to 4E 71 4E 71 4E 71 4E 71. That tells the game to do nothing. Note that this code appears in every *.MMD.


Sonic Community Hacking Guide
General
Number Systems | Sonic Music Hacking Guide | Assembly Hacking Guide | Subroutine Equivalency List | 68000 Instruction Set | SonED2 Manual | ASM-to-Hex Code Reference | VDP Documentation | Official Sega 32X Documentation | Official Sega CD Documentation | Official Sega Genesis Documentation
Game-Specific
Sonic the Hedgehog (16-bit) | Sonic the Hedgehog (8-bit) | Sonic Eraser | Sonic CD (prototype 510) | Sonic CD | Sonic 2 (Nick Arcade prototype) | Sonic 2 (Simon Wai prototype) | Sonic 2 (16-bit) | Sonic 2 (8-bit) | Sonic 2 & Knuckles | Dr. Robotnik's Mean Bean Machine | Sonic Triple Trouble | Sonic 3 | Sonic & Knuckles | Sonic 3 & Knuckles | Sonic & Knuckles Collection | Sonic Crackers | Sonic 3D: Flickies' Island | Knuckles' Chaotix | Sonic Jam 6 | Sonic Advance | Sonic Advance 2 | Sonic Advance 3 | Sonic Battle | Sonic Adventure | Sonic Adventure DX: PC | Sonic Adventure 2 | Shadow the Hedgehog
The Nemesis Hacking Guides
ROM: Sonic 1 | Sonic 2 | Sonic 2 Beta | Sonic 3

Savestate: Sonic 1 | Sonic 2 Beta/Final | Sonic 3

The Esrael Hacking Guides
Sonic 1 (English / Portuguese) | Sonic 2 Beta (English / Portuguese) | Sonic 2 and Knuckles (English / Portuguese)