Converting the “Competition Pro Extra USB” to C64/Amiga/Atari DB9 – pagetable.com
File:Atari joy-port.svg - Wikimedia Commons
9pin Joystick Controller Cable for Atari 2600 Commodore C64 Vic-20 Ami – RetroArcadeCrafts
D SUB9 <> DIN Joystickadapter for VP/O2
Atari – Kempston Joystick Pinout diagram. – JamBlog!
Joystick Port | MSX Resource Center (Page 1/14)
PSCD32 Peripheral Signal Conversion Device - Mathew Carr
Retro 9 Pin Joystick to USB Converter : 4 Steps (with Pictures) - Instructables
Ardunio Micro Joystick Card | The Sim
Atari-style joystick to PC joystick adapter · AllPinouts
DB9/DIN6/DB15 joystick pinouts - Classic Computing Discussion - AtariAge Forums
Controller Conversion Help - Atari Jaguar - AtariAge Forums
Joystick 2 button mod questions - English Amiga Board
Joystick interface for C-16, C-116 and Plus/4 - V1.1
Reviving an old joystick with an Arduino Leonardo | It's Every Bit For Itself
BYO Atari 7800 Controller - Schematic for dummys - Atari 7800 - AtariAge Forums
TV game joysticks
C-64 Workshop / Pin Connections
Making a 9 Pin Joystick Cable (for Sega Genesis, Commodore 64, ColecoVision, Atari, etc.) - YouTube
The Atari joystick Pinout Common Ground. - Atari 8-Bit Computers - AtariAge Forums
Atari ST
Atari joystick port - Wikiwand
CSEE4840 PROJECT
Reading the Sega Mega Drive / Genesis control pads | PICAXE Forum
Connectors Commodore 64 – My old computer
9pin Joystick Controller Cable for Atari 2600 Commodore C64 Vic-20 Ami – RetroArcadeCrafts
Joystick Controller for Commodore - Commodore 64 Brain
Atari 7800 joystick - Retronic DesignRetronic Design
