BYO Atari 7800 Controller - Schematic for dummys - Atari 7800 - AtariAge Forums
Joystick Electrical connector D-subminiature RS-232 Commodore 64, joystick, angle, white, electronics png | PNGWing
15/9 pin controller converter
Atari 7800 joypad to MSX Adapter | danjovic | Hackaday.io
The Atari joystick Pinout Common Ground. - Atari 8-Bit Computers - AtariAge Forums
Making a 9 Pin Joystick Cable (for Sega Genesis, Commodore 64, ColecoVision, Atari, etc.) - YouTube
Radio Shack Avenger 700 Joystick - 2 row 15 pin connector - Project Guidance - Arduino Forum
PC Joystick Pinout – rahji.com
Joystick - DenialWIKI
General Purpose port - MSX Wiki
File:Atari joy-port.svg - Wikimedia Commons
Amazon.com: JoFong Classic Retro Controller, Suitable for AV 620, HD 621 HD 821 Classic Game Consoles Plug-and-Play Wired Video Gamepad-9 Pin Plug 2 Packs,620-621 Controller : Toys & Games
Reading the Sega Mega Drive / Genesis control pads | PICAXE Forum
C-64 Workshop / Pin Connections
commodore 64 - Would a multi button controller have been possible on the C64? - Retrocomputing Stack Exchange
Atari-style joystick to PC joystick adapter · AllPinouts
Amazon.com: JoFong Classic Retro Controller, Suitable for AV 620, HD 621 HD 821 Classic Game Consoles Plug-and-Play Wired Video Gamepad-9 Pin Plug 2 Packs,620-621 Controller : Toys & Games
A Keypad Joypad For Your Retro Gaming | Hackaday
Joystick PC Gameport · AllPinouts
Connectors Commodore 64 – My old computer
USB joystick adapter for 9 pin joysticks – Vintage is The New Old
msarnoff.org - USB Adapter for Sega Genesis Controller
