General Purpose port - MSX Wiki
A Keypad Joypad For Your Retro Gaming | Hackaday
Joystick Pinouts
Custom Proportional Power Wheelchair Drive Controls – Bob's Projects
Retro 9 Pin Joystick to USB Converter : 4 Steps (with Pictures) - Instructables
2 button joystick ? - Page 7 - Atari 8-Bit Computers - AtariAge Forums
Radio Shack Avenger 700 Joystick - 2 row 15 pin connector - Project Guidance - Arduino Forum
Atari-style joystick to PC joystick adapter pinout and wiring @ old.pinouts .ru
Connectors Commodore 128 – My old computer
D SUB9 <> DIN Joystickadapter for VP/O2
Making a 9 Pin Joystick Cable (for Sega Genesis, Commodore 64, ColecoVision, Atari, etc.) - YouTube
PC Joystick Pinout – rahji.com
Joystick information and circuits
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
Joytricks
C-64 Workshop / Pin Connections
ByteBoosters 9 pin to DIP 16 pin Joystick Adapter for Apple II+ Plus 9P to 16P
ESP32 VGA Arcade Games and Joystick : 6 Steps (with Pictures) - Instructables
Joystick interface for C-16, C-116 and Plus/4 - V1.1
Amiga cd32 controller problem! Help! - English Amiga Board
Atari joystick port - Wikipedia
DB9/DIN6/DB15 joystick pinouts - Classic Computing Discussion - AtariAge Forums
