Atari 2600 / Atari 8-bit / Commodore 64 Custom Joystick - Etsy
Retro 9 Pin Joystick to USB Converter : 4 Steps (with Pictures) - Instructables
Reviving an old joystick with an Arduino Leonardo | It's Every Bit For Itself
9pin Joystick Controller Cable for Atari 2600 Commodore C64 Vic-20 Ami – RetroArcadeCrafts
Joystick tester db9 (Commodore 64, Amiga, Atari, etc) - Dreamcast.nu
Joystick interface for C-16, C-116 and Plus/4 - V1.1
C64 Joystick Adapter | Hackaday
C-64 Workshop / Pin Connections
Fancy Joystick for Atari 2600, Commodore 64, VIC-20, 128... - Hackster.io
NES to C64 Controller Mod | C64 OS
Converting the “Competition Pro Extra USB” to C64/Amiga/Atari DB9 – pagetable.com
Vectrex Controller to Atari 2600 Adapter - CNK
Connectors Commodore 64 – My old computer
Control Port - C64-Wiki
Atari joystick port - Wikipedia
Joystick information and circuits
A Keypad Joypad For Your Retro Gaming | Hackaday
Build your own Commodore 64 arcade stick - a guide - Retro Games Collector
C64 COMMODORE 64 - JOYSTICK VG-318 PAT PENDING, home computer | eBay
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
The Atari joystick Pinout Common Ground. - Atari 8-Bit Computers - AtariAge Forums
CPC464 Joystick Splitter - Share Project - PCBWay
PC joystick interface circuits
Commodore 64 Service Manual: Keyboard, Joystick & Paddle Interfaces
Joystick with 2 button support - English Amiga Board
