C-64 Workshop / Pin Connections
The Atari joystick Pinout Common Ground. - Atari 8-Bit Computers - AtariAge Forums
Build your own Commodore 64 arcade stick - a guide - Retro Games Collector
NES to C64 Controller Mod | C64 OS
A Keypad Joypad For Your Retro Gaming | Hackaday
Retro 9 Pin Joystick to USB Converter : 4 Steps (with Pictures) - Instructables
commodore 64 - Would a multi button controller have been possible on the C64? - Retrocomputing Stack Exchange
Problems Connecting an Arduino Uno to a Commodore 64 Joystick Port - Retrocomputing Stack Exchange
Reviving an old joystick with an Arduino Leonardo | It's Every Bit For Itself
C64 USB Joystick Adapter : 4 Steps (with Pictures) - Instructables
Vectrex Controller to Atari 2600 Adapter - CNK
Joystick Controller for Commodore - Commodore 64 Brain
Reading C64 Joysticks and Analog Signals (Programming Electronics with the Commodore 64 Part 3) - Retro Game Coders
9pin Joystick Controller Cable for Atari 2600 Commodore C64 Vic-20 Ami – RetroArcadeCrafts
C64 Joystick Adapter | Hackaday
Control Port - C64-Wiki
PC joystick interface circuits
TWO 8FT 9 Pin cable cord wire to repair COMMODORE 64 C64 controller JOYSTICK | eBay
Joystick information and circuits
Joystick tester db9 (Commodore 64, Amiga, Atari, etc) - Dreamcast.nu
Atari 2600 / Atari 8-bit / Commodore 64 Custom Joystick - Etsy
![Commodore Info Page - Articles: Input devices [en]](https://www.commodore-info.com/foto/th_info_input_02.gif "Commodore Info Page - Articles: Input devices [en]")
Commodore Info Page - Articles: Input devices [en]
Commodore 64 Service Manual: Keyboard, Joystick & Paddle Interfaces
Commodore 64 Joystick Switcher (Revision C) - Share Project - PCBWay
Fancy Joystick for Atari 2600, Commodore 64, VIC-20, 128... - Hackster.io
Converting the “Competition Pro Extra USB” to C64/Amiga/Atari DB9 – pagetable.com
