commodore 64 - Would a multi button controller have been possible on the C64? - Retrocomputing Stack Exchange
How to connect old Atari style joystick to bluetooth PCB? - Electrical Engineering Stack Exchange
Atari – Kempston Joystick Pinout diagram. – JamBlog!
how can connect arcad joystick (MaxFighter F-16) to arduino? - General Electronics - Arduino Forum
Atari 7800 joystick - Retronic DesignRetronic Design
Wiring a joystick port for hardware inputs (Joystick pinout)
PassioneCommodore.it
Retro 9 Pin Joystick to USB Converter : 4 Steps (with Pictures) - Instructables
Joystick Port | MSX Resource Center (Page 1/14)
C-64 Workshop / Pin Connections
Rewiring your +2/+3 Joystick Ports to Atari Standard - Spectrum for Everyone
Interfacing with Video Game Controllers - Circuit Cellar
Making a 9 Pin Joystick Cable (for Sega Genesis, Commodore 64, ColecoVision, Atari, etc.) - YouTube
Connectors Commodore 128 – My old computer
Reviving an old joystick with an Arduino Leonardo | It's Every Bit For Itself
Joystick Pinouts
D SUB9 <> DIN Joystickadapter for VP/O2
Reading the Sega Mega Drive / Genesis control pads | PICAXE Forum
Joystick Electrical connector D-subminiature RS-232 Commodore 64, joystick, angle, white, electronics png | PNGWing
A few notes about Standard Joystick | MSX Resource Center
amiga DB9 port – TruMouse.com
9pin Joystick Controller Cable for Atari 2600 Commodore C64 Vic-20 Amiga Sega M | eBay
DIY Joystick Splitter Project
Atari joystick port - Wikipedia
4.5.3. Joystick control — 8SMC4-USB User Manual
Joystick/joypad controller - MSX Wiki
The Atari joystick Pinout Common Ground. - Atari 8-Bit Computers - AtariAge Forums
