commodore 64 - Would a multi button controller have been possible on the C64? - Retrocomputing Stack Exchange
D SUB9 <> DIN Joystickadapter for VP/O2
Joystick Port | MSX Resource Center (Page 8/14)
Radio Shack Avenger 700 Joystick - 2 row 15 pin connector - Project Guidance - Arduino Forum
DIY Joystick Splitter Project
Making a 9 Pin Joystick Cable (for Sega Genesis, Commodore 64, ColecoVision, Atari, etc.) - YouTube
Making an xarcade to atari controller for the wii adapter | GBAtemp.net - The Independent Video Game Community
Atari-style joystick to PC joystick adapter pinout and wiring @ old.pinouts .ru
Atari joystick port - Wikipedia
A Keypad Joypad For Your Retro Gaming | Hackaday
Joystick information and circuits
Retro Isle - Spectrum Joysticks
How to connect old Atari style joystick to bluetooth PCB? - Electrical Engineering Stack Exchange
Atari – Kempston Joystick Pinout diagram. – JamBlog!
Atari-style joystick to PC joystick adapter · AllPinouts
Magnavox Odyssey 2 Atari Joystick mod | Code Dojo
9pin Joystick Controller Cable for Atari 2600 Commodore C64 Vic-20 Ami – RetroArcadeCrafts
![GUIDE] NES Gamepad to Atari Controller - sudomod](https://s20.postimg.cc/db6d4a6v1/tut_06.png "GUIDE] NES Gamepad to Atari Controller - sudomod")
GUIDE] NES Gamepad to Atari Controller - sudomod
Rewiring your +2/+3 Joystick Ports to Atari Standard - Spectrum for Everyone
Controller Conversion Help - Atari Jaguar - AtariAge Forums
