File:Numbered DE9 Diagram.svg - Wikipedia
commodore 64 - Would a multi button controller have been possible on the C64? - Retrocomputing Stack Exchange
9pin Joystick Controller Cable for Atari 2600 Commodore C64 Vic-20 Ami – RetroArcadeCrafts
Controller Conversion Help - Atari Jaguar - AtariAge Forums
How to build an Amiga Joystick to USB adapter (DB9 to USB) - Retro32
Reviving an old joystick with an Arduino Leonardo | It's Every Bit For Itself
Rewiring your +2/+3 Joystick Ports to Atari Standard - Spectrum for Everyone
Retro Isle - Spectrum Joysticks
4.5.3. Joystick control — 8SMC4-USB User Manual
Atari-style joystick to PC joystick adapter pinout and wiring @ old.pinouts .ru
A Keypad Joypad For Your Retro Gaming | Hackaday
TRS80 Color Computer 1/2/3 Dragon 32/64 Atari Joystick Adapter Free Ship ! | eBay
Retro 9 Pin Joystick to USB Converter : 4 Steps (with Pictures) - Instructables
C-64 Workshop / Pin Connections
amiga DB9 port – TruMouse.com
Retro 9 Pin Joystick to USB Converter : 4 Steps (with Pictures) - Instructables
OSDK - The Oric Software Development Kit - - Joysticks
Joystick Port | MSX Resource Center (Page 1/14)
Commmodore, Atari, Amiga 9-pin DIY Game Controller - Share Project - PCBWay
Joystick interface for C-16, C-116 and Plus/4 - V1.1
Making a Joystick for C64 or Atari | Kosciusko Media
Interfacing with Video Game Controllers - Circuit Cellar
Atari – Kempston Joystick Pinout diagram. – JamBlog!
Infrared Remote Control for All F/G CED Players
The Atari joystick Pinout Common Ground. - Atari 8-Bit Computers - AtariAge Forums
