Credits

Project

Created by jamesj999 and Raiscan.

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This project uses documentation, tools, and reference implementations from many talented members of the Sonic hacking and emulation communities.

It would not have been possible without their hard work; we truly stand on the shoulders of giants.

Audio & Sound

Contributor	Contribution
ValleyBell	SMPSPlay - SMPS music playback tool and libvgm integration https://github.com/ValleyBell/SMPSPlay
Tweaker	Hacking CulT music hacking guide https://www.hacking-cult.org/?r/4/80
drx	Hacking CulT https://www.hacking-cult.org
jsgroth	”Emulating the YM2612” blog series - FM synthesis reference https://jsgroth.dev/blog/posts/emulating-ym2612-part-1/
Maxim	SN76489 PSG documentation (SMS Power!) https://www.smspower.org/Development/SN76489
Stephan Dittrich	Gens YM2612 Java port (YM2612.java.example)
Xeeynamo	SMPSPlay contributions (wave output, channel muting)
Eke-Eke	Genesis Plus GX - YM2612 and PSG emulation cores https://github.com/ekeeke/Genesis-Plus-GX
MAME Team	Sound emulation cores used by SMPSPlay
libvgm	Audio output and emulation libraries
flamewing	S3K Z80 sound driver documentation and bugfixes
clownacy	SMPS sound driver disassembly work across S1, S2, and S3K
MarkeyJester	Original S3K Z80 sound driver disassembly
Linncaki	S3K sound driver routines, pointers, and data identification
Xenowhirl	Sonic 2 Z80 sound driver disassembly

Physics & Collision

Contributor	Contribution
Sonic Retro	Sonic Physics Guide (SPG) - comprehensive physics documentation https://info.sonicretro.org/Sonic_Physics_Guide
LapperDev	SPGSonic2Overlay.Lua - sensors, hitboxes, and solid object visualization https://info.sonicretro.org/SPG:Overlay_Scripts
MercurySilver	SPGSonic2Overlay.Lua - terrain and misc additions

Disassembly & ROM Research

Sonic 1 Disassembly (s1disasm)

https://github.com/sonicretro/s1disasm

Contributor	Contribution
Hivebrain	Created the original Sonic 1 disassembly
MainMemory	Major contributor, ongoing maintenance
clownacy	Disassembly improvements
flamewing	Disassembly contributions
DevonArtmeier	Disassembly contributions

Sonic 2 Disassembly (s2disasm)

https://github.com/sonicretro/s2disasm

Contributor	Contribution
Nemesis	Created original Sonic 2 disassembly (2004, SNASM68K), Nemesis compression research https://info.sonicretro.org/SCHG:Nem%20s2
Xenowhirl	Ported to AS assembler, extensive annotation, Z80 sound driver disassembly (2007)
FraGag	Host/maintainer, constants/equates system, major refactoring
shobiz	VDP command conversion, commenting, label cleanup
qiuu	RAM address equates, collision and level select commenting
flamewing	Sound driver work, merged contributions
clownacy	Disassembly improvements, decompression tools, documentation
MainMemory	Disassembly contributions
Marzo (marzojr)	Disassembly contributions

Sonic 3 & Knuckles Disassembly (skdisasm)

https://github.com/sonicretro/skdisasm

Contributor	Contribution
MainMemory	Primary maintainer, split disassembly
flamewing	Thorough Z80 sound driver documentation and bugfixes
MarkeyJester	Original Z80 sound driver disassembly
Linncaki	Sound driver routines, pointers, and data identification
clownacy	Disassembly contributions
Natsumi	Disassembly contributions

General ROM & Hardware Research

Contributor	Contribution
Sonic Retro	SCHG documentation and community disassembly hosting https://info.sonicretro.org
Brett Kosinski	Kosinski compression research https://segaretro.org/Kosinski_compression

Compression & Tools

Contributor	Contribution
clownacy	Decompression tools
flamewing	s2ssedit (Sonic 2 Special Stage Editor) - used as reference

Communities

• Sonic Retro - The invaluable wiki, forums, and community resources
• SMS Power! - Sega hardware documentation
• Hacking CulT - Pioneering Sonic ROM hacking research

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If you contributed to resources used in this project and are not listed, please open an issue or PR!