W65C265SXB: Sega Game Controller Interface PCB (Genesis, Master System, and Atari 2600 Compatible) - YouTube
Master system with Genesis controller | SegaXtreme
TV game joysticks
PSCD32 Development Diary
Sega Master System Wireless Controllers! : r/retrogaming
Infrared Remote Control for All F/G CED Players
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
SegaMaster System (SMS) and MegaDrive joystick pinout diagram @ pinoutguide.com
Third Release: SEGA Controllers | Details | Hackaday.io
Cavo controller joystick 9 pin Atari 2600 Commodore C64 Vic-20 Amiga serie master | eBay
Sega Master System 2 (SMS)
Sega Genesis/Mega Drive 6 button pinout?
Hyperkin Sega Genesis 6-Button Clone Controller Mod - Atari 8-Bit Computers - AtariAge Forums
The Game Controller Port, Deconstructed : psmay
Sega Genesis Controller Adapter for Sega Master System Games using converter N41 | eBay
Pinouts - Documents - Maxim's World of Stuff
Atari joystick port - Wikipedia
Gear to Gear Port SMS Controller Adaptor - Development - SMS Power!
Third Release: SEGA Controllers | Details | Hackaday.io
C64 DB9 compatibility | Official Pyra and Pandora Site
Sega Genesis Programming Part 19: 6 Button Controllers
Sega Genesis Controller Interfacing
SMS to Megadrive/Genesis cartridge adaptor
Reading the Sega Mega Drive / Genesis control pads | PICAXE Forum
I/O port pinout - Plutiedev
