Controller Conversion Help - Atari Jaguar - AtariAge Forums
The Atari joystick Pinout Common Ground. - Atari 8-Bit Computers - AtariAge Forums
Joystick information and circuits
Amazon.com: JoFong Classic Retro Controller, Suitable for AV 620, HD 621 HD 821 Classic Game Consoles Plug-and-Play Wired Video Gamepad-9 Pin Plug 2 Packs,620-621 Controller : Toys & Games
7800 controller resistor values - Atari 7800 - AtariAge Forums
General Purpose port - MSX Wiki
Reading the Sega Mega Drive / Genesis control pads | PICAXE Forum
Vectrex Controller to Atari 2600 Adapter - CNK
Interfacing with Video Game Controllers - Circuit Cellar
Atari-style joystick to PC joystick adapter pinout and wiring @ old.pinouts .ru
DB9/DIN6/DB15 joystick pinouts - Classic Computing Discussion - AtariAge Forums
Retro Isle - Spectrum Joysticks
Atari joystick port - Wikipedia
Joystick PC Gameport · AllPinouts
BYO Atari 7800 Controller - Schematic for dummys - Atari 7800 - AtariAge Forums
9pin Joystick Controller Cable for Atari 2600 Commodore C64 Vic-20 Ami – RetroArcadeCrafts
File:Atari joy-port.svg - Wikimedia Commons
A Keypad Joypad For Your Retro Gaming | Hackaday
PC Joystick Pinout – rahji.com
Joystick - DenialWIKI
