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Engineering & Reverse Engineering(Mark this forum as read)
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  Important Topics
Pinned   FIND YOUR HACKING TOOLS saxman 
  • 14 Replies
  • 12579 Views
Pinned   Custom Levels in Sonic 2 using SonED2
a revised guide
iojnekns 
  • 3 Replies
  • 5999 Views
Pinned   The Seventh Annual Sonic the Hedgehog Hacking Contest!!!
I hate you all.. WHY DO I KEEP COMING BACK FOR MORE?!!
Ayla 
  • 100 Replies
  • 20473 Views
Pinned   Get your disassemblies! Scarred Sun 
  • 15 Replies
  • 7852 Views
Pinned   ***A WARNING ABOUT DEBUG MODE***
So you found something using debug, huh?
Quickman 
  • 43 Replies
  • 22022 Views
Pinned   ASM-to-Hex code reference
verson 1.0
Ambil 
  • 21 Replies
  • 10937 Views
Pinned   The Macro Assembler AS
Questions go here
Aurochs 
  • 16 Replies
  • 6061 Views
Pinned   Introduction to Hex Tweaker 
  • 23 Replies
  • 8636 Views
Pinned   IPS PATCHES - READ OR FOREVER HOLD YOUR PEACE Quickman 
  • 3 Replies
  • 5532 Views
Pinned   Motorola 68000 Assembly Materials
Who's our next Tech Member?
Simon 
  • 7 Replies
  • 7617 Views
Pinned   RED SCREEN IN GENS?
Click here to learn how to fix it.
Quickman 
  • 1 Reply
  • 6309 Views
  Forum Topics
The Sonic 3 & Knuckles Source Code
All the original labels
LOst 
  • 36 Replies
  • 13126 Views
Sonic 3 Samples Stealth 
  • 11 Replies
  • 6761 Views
Original Sonic CD symbol/label list
From the GEMS port (for both PS2 and GC)
evilhamwizard 
  • 21 Replies
  • 5118 Views
Sonic 2 Clone Driver
A rather delayed release...
Tweaker 
  • 7 Replies
  • 4892 Views
Sonic 1 DAC drum samples unleashed! jman2050 
  • 11 Replies
  • 8842 Views
New Sonic 1 PCM sound driver jman2050 
  • 11 Replies
  • 7643 Views
Objects: How does the engine know WHEN to load them? tokumaru 
  • 32 Replies
  • 8730 Views
What would happen if… MarkeyJester 
  • 20 Replies
  • 4622 Views
The Sonic 3K Water Guide!
V2.00
Caitlin 
  • 10 Replies
  • 5654 Views
The Sixth Annual Sonic the Hedgehog Hacking Contest!
SUPPLIES!!!
Ayla 
  • 255 Replies
  • 36831 Views
Importing Level Art into SonED2
(insert funny description here)
iojnekns 
  • 11 Replies
  • 4699 Views
How to fix the Level Select menu so it have the true in-game order
Level Select Menu Text and Level Pointers
STHX 
  • 9 Replies
  • 2539 Views
Sonic for SegaCD Stealth 
  • 155 Replies
  • 45202 Views
Sonic 1 sound driver in Sonic 2 Tweaker 
  • 21 Replies
  • 6784 Views
Attachments For anyone looking to restore HPZ
in Sonic 2. Collision pointer.
Rika Chou 
  • 115 Replies
  • 37099 Views
Sonic Mobile and original Sonic 1 labels Puto 
  • 16 Replies
  • 6131 Views
Brett Kosinski format
How things works.
Sonic Hachelle-Bee 
  • 32 Replies
  • 8241 Views
The Fifth Annual Sonic the Hedgehog Hacking Contest
The real one =P
Ayla 
  • 127 Replies
  • 23850 Views
Sonic 2 Animated Pattern Mappings ExecByte 
  • 4 Replies
  • 2641 Views
SPA stuff Rolken 
  • 7 Replies
  • 3986 Views
4th Annual Sonic "ROM Editing" Contest Results
Its Finally Done!
JcFerggy 
  • 37 Replies
  • 13808 Views
Attachments The 4th Annual Sonic "ROM Editing" Contest
Details Inside!
Ayla 
  • 260 Replies
  • 48304 Views
Extending Level IDs...
Sonic 1
Caitlin 
  • 6 Replies
  • 3118 Views
JJFTails' Chaotix Art Editor V2.50 Released
Import art directly frm other sonic roms
JJ-Fox 
  • 49 Replies
  • 13558 Views
Sonic Music Guide v3.0! Tweaker 
  • 23 Replies
  • 6890 Views
Sonic 1 REV01 BG effects
Ported
jman2050 
  • 24 Replies
  • 8277 Views
Sonic Advance Stuffs Caitlin 
  • 11 Replies
  • 5055 Views
PSG Instruments Explained (68K Alert)
Yeah, they're important
fuzzbuzz 
  • 4 Replies
  • 2890 Views
Attachments Knuckles in Sonic 1? Puto 
  • 165 Replies
  • 40921 Views
Attachments Knuckles' Chaotix Documentation Heran Bago 
  • 19 Replies
  • 7451 Views
Changing Sonic 2's level format jman2050 
  • 48 Replies
  • 15974 Views
Attachments DebuGens
A Genecyst Replacment
fuzzbuzz 
  • 72 Replies
  • 21254 Views
Attachments Tails in Sonic 1 v1.1
he swims, he flies, he spindashes
drx 
  • 84 Replies
  • 42464 Views
Attachments Knuckles in Sonic 1 - Rev 01 Stealth 
  • 81 Replies
  • 45284 Views
Third Annual Hacking Contest Results! Ayla 
  • 13 Replies
  • 4811 Views
Mmm, leftovers. Mustapha 
  • 12 Replies
  • 5326 Views
MARS and MD pallete chart Sodaholic 
  • 8 Replies
  • 3145 Views
Attachments Adding and deleting objects with out using Soned 2
A guide that I made.
Caitlin 
  • 9 Replies
  • 4636 Views
compression algorithms?
is there a logic to discover?
Weird Person 
  • 19 Replies
  • 6930 Views
Sonic 2 MP3 Tool
Finally Released
Qjimbo 
  • 44 Replies
  • 13345 Views
Master System pallets
and how they associate with MD ones
Ambil 
  • 7 Replies
  • 3161 Views
Pallete Editing with hex
For beginning hackers
3588897 
  • 7 Replies
  • 2950 Views
How to write your first hacking program...
in VB.
Lostgame 
  • 6 Replies
  • 11757 Views
First documentation of MARS palettes Lostgame 
  • 26 Replies
  • 6501 Views
DSR in Sonic 2 Rika Chou 
  • 3 Replies
  • 3163 Views
Sonic 2 Time Bonuses
how to edit
xenoSonic 
  • 0 Replies
  • 2753 Views
Sonic 2 Timer Reversal
count down from 9:59
xenoSonic 
  • 7 Replies
  • 3436 Views
Sonic Music Hacking Guide
Release 1
Tweaker 
  • 16 Replies
  • 5976 Views
The Third Annual "Hacking" Contest Ayla 
  • 52 Replies
  • 10156 Views
My Findings.
Music locations
Tweaker 
  • 11 Replies
  • 3474 Views
[Up: 10/16/04] TSDC V2.2, KENS V1.4 + Source
Release Candidate 3 - Bug fixes
Magus 
  • 17 Replies
  • 5389 Views
Flowcharting
Important shit for those wanting to code
LocalH 
  • 1 Reply
  • 2178 Views
Boss Hitcount locations for Sonic 3D Blast
These belong in an editor!
Mustapha 
  • 15 Replies
  • 4765 Views
Sonic Advance 3 Hacking Guide Erik JS 
  • 17 Replies
  • 9973 Views
Debug Guide to Sonic 2 ETA Luigi Link 
  • 17 Replies
  • 12449 Views
Boss and Boss Spawn Object Moving Values
Make the Wrecking Ball Go in Circles!
Sonic 65 
  • 1 Reply
  • 2448 Views
Boss Object Loading Stuff Sonic 65 
  • 0 Replies
  • 1845 Views
Sonic Collision Viewer Erik JS 
  • 12 Replies
  • 3083 Views
Sonic Boss Tweaking Guide Mustapha 
  • 6 Replies
  • 2447 Views
How to disable the blades for S2 Beta & Final
This information applies to the EHZ boss
Mustapha 
  • 25 Replies
  • 5321 Views
S1 Dr. Eggman in Final Zone animation to display
locations
Mustapha 
  • 13 Replies
  • 3254 Views
Useful RAM Offsets
For you ASM people
Sonic 65 
  • 7 Replies
  • 2438 Views
ROM Graphics Editing
A compressed art tutorial
Elusive 
  • 4 Replies
  • 4655 Views
Beginners Tutorials
For newbs in distress.
Syren 
  • 27 Replies
  • 6516 Views
Attachments Machine Code Monitor Programming Guide
If that even makes sense to you.
Sonic 65 
  • 17 Replies
  • 5191 Views
Collision format JoseTB 
  • 10 Replies
  • 3303 Views
Attachments New stuff found in the S2 proto ROM
Alternate running animations for Sonic
ICEknight 
  • 18 Replies
  • 4579 Views
Well, here it is folks.
Dude's Definitive SADX object guide
Dude 
  • 3 Replies
  • 2441 Views
Chemical Plant Boss Children Mustapha 
  • 6 Replies
  • 3290 Views