PC joystick interface
Atari-style joystick to PC joystick adapter pinout and wiring @ old.pinouts .ru
D SUB9 <> DIN Joystickadapter for VP/O2
Joystick PC Gameport · AllPinouts
Rewiring your +2/+3 Joystick Ports to Atari Standard - Spectrum for Everyone
Joystick interface for C-16, C-116 and Plus/4 - V1.1
Retro Isle - Spectrum Joysticks
Interfacing with Video Game Controllers - Circuit Cellar
Making a 9 Pin Joystick Cable (for Sega Genesis, Commodore 64, ColecoVision, Atari, etc.) - YouTube
Atari 7800 joystick - Retronic DesignRetronic Design
Atari joystick port - Wikiwand
Controller Conversion Help - Atari Jaguar - AtariAge Forums
How to connect old Atari style joystick to bluetooth PCB? - Electrical Engineering Stack Exchange
Winterground Fairlands - A World Of Funmagineering!: Retro Challenge 2015/7 - Amiga Mouse, Joystick, Keyboard USB interface
Reviving an old joystick with an Arduino Leonardo | It's Every Bit For Itself
Joystick information and circuits
Dragon 32 Joystick adapter | Vrai's Retro Stuff
DB9/DIN6/DB15 joystick pinouts - Classic Computing Discussion - AtariAge Forums
Radio Shack Avenger 700 Joystick - 2 row 15 pin connector - Project Guidance - Arduino Forum
Atari-style joystick to PC joystick adapter · AllPinouts
D SUB9 <> DIN Joystickadapter for VP/O2
File:Atari joy-port.svg - Wikimedia Commons
