Atari – Kempston Joystick Pinout diagram. – JamBlog!
Rewiring your +2/+3 Joystick Ports to Atari Standard - Spectrum for Everyone
File:Atari joy-port.svg - Wikimedia Commons
D SUB9 <> DIN Joystickadapter for VP/O2
C-64 Workshop / Pin Connections
The Atari joystick Pinout Common Ground. - Atari 8-Bit Computers - AtariAge Forums
D SUB9 <> DIN Joystickadapter for VP/O2
DB9/DIN6/DB15 joystick pinouts - Classic Computing Discussion - AtariAge Forums
Radio Shack Avenger 700 Joystick - 2 row 15 pin connector - Project Guidance - Arduino Forum
Reviving an old joystick with an Arduino Leonardo | It's Every Bit For Itself
General Purpose port - MSX Wiki
A Keypad Joypad For Your Retro Gaming | Hackaday
PC Joystick Pinout – rahji.com
Controller Conversion Help - Atari Jaguar - AtariAge Forums
Atari-style joystick to PC joystick adapter pinout and wiring @ old.pinouts .ru
9pin Joystick Controller Cable for Atari 2600 Commodore C64 Vic-20 Ami – RetroArcadeCrafts
Dragon 32 Joystick adapter | Vrai's Retro Stuff
Atari-style joystick to PC joystick adapter · AllPinouts
Atari 7800 joypad to MSX Adapter | danjovic | Hackaday.io
