Atari 2600 on a breadboard, part VI: fixing the video, adding a joystick and wrapping up - chester's blog
General Purpose port - MSX Wiki
Making an xarcade to atari controller for the wii adapter | GBAtemp.net - The Independent Video Game Community
Joystick information and circuits
Atari joystick port - Wikipedia
Atari joystick port - Wikiwand
Atari Compendium
![Use Atari Paddles with Your PC - Gaming Hacks [Book]](https://www.oreilly.com/api/v2/epubs/0596007140/files/tagoreillycom20070314oreillyimages175986.png "Use Atari Paddles with Your PC - Gaming Hacks [Book]")
Use Atari Paddles with Your PC - Gaming Hacks [Book]
File:Atari joy-port.svg - Wikimedia Commons
Joytricks
Atari 2600 Paddle As Joystick with 2 Buttons - Atari 2600 - AtariAge Forums
Joysticks
Atari Sega Commodore Coleco MSX 6' 1.8m Joystick Controller Project Repair Cable Cord DE9
The Atari joystick Pinout Common Ground. - Atari 8-Bit Computers - AtariAge Forums
HOWTO - Atari 7800 Controller ST Compatibility Modification - ctrl.alt.rees
Atari-style joystick to PC joystick adapter pinout description @ Pinouts.ru
Vectrex Controller to Atari 2600 Adapter - CNK
A simple Atari 2600 joystick tester circuit
Atari Combo Controller : 6 Steps (with Pictures) - Instructables
RIOT
Joyride to joystick: Atari controller custom-built from car seat adjuster | Engadget
commodore 64 - Would a multi button controller have been possible on the C64? - Retrocomputing Stack Exchange
Atari joystick port - Wikipedia
Building the Circuit | AtariFruit 2600 Joystick | Adafruit Learning System
DIY paddle controller? : r/Atari2600
