TV game joysticks
Gear to Gear Port SMS Controller Adaptor - Development - SMS Power!
Vectrex Controller to Atari 2600 Adapter - CNK
Sega Master System 2 (SMS)
PSCD32 Development Diary
The Game Controller Port, Deconstructed : psmay
Sega Master System Switchless Region Mod Install Guide | Consoles Unleashed
TUT] Sega Master System Rapid Fire Unit "Deluxe Version" - Sega - Circuit-Board
I/O port pinout - Plutiedev
Sega Genesis/Mega Drive 6 button pinout?
Master system with Genesis controller | SegaXtreme
Any good third-party controllers for Master System? - Retrogaming Roundtable
Retro Atari 7800 Mod: Sega Master System Controller to Atari 2600/7800 Hack : 4 Steps - Instructables
Finally the SEGA SC-3000 emulator for PROPC3 and C3Synapse ready for download! — Parallax Forums
little-scale: SEGA Master System Control Pad as USB Joystick for Emulated Games
Sega Master System Controller – Raspberryfield – IT, video games and comics
Hyperkin Sega Genesis 6-Button Clone Controller Mod - Atari 8-Bit Computers - AtariAge Forums
Reading the Sega Mega Drive / Genesis control pads | PICAXE Forum
Sega Master System Controller – Raspberryfield – IT, video games and comics
Pinouts - Documents - Maxim's World of Stuff
C64 DB9 compatibility | Official Pyra and Pandora Site
Sega Genesis Controller Adapter for Sega Master System Games using converter N41 | eBay
SMS to Megadrive/Genesis cartridge adaptor
Sega Genesis Programming Part 19: 6 Button Controllers
