Amazon.com: AV and HDMI Universal Computer Game 9-pin Console 4-Button Controller Gamepad for AV and HDMI Universal Computer Game 9-pin Console (2 PCS) : Electronics
5PIN/9PIN JoyStick Breakout Module Shield for PS2 Joystick Game Contro – diymore
Amazon.com: JoFong Retro Classic Controller, Suitable for AV 620, HD 621 HD 821 Classic Game Consoles Plug-and-Play Wired Video Gamepad-9 Pin Plug 2 Packs : Video Games
Creating a 9 Pin Joystick Cable End - 3D Printing DIY - PCBurn
Vintage Competition-Pro Joystick w/ 9 pin type for AMIGA/ST/ATARI | eBay
iCode Dual Atari Joystick, Paddle, Driving, and Trackball USB Adapter, Plus Edition
JoyStick (9 pin)
VSI Joystick Controller with 9 Pin and pigtail CTLDC1377 PG Drives D505535.02 | eBay
Retro 9 Pin Joystick to USB Converter : 4 Steps (with Pictures) - Instructables
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9 Pin Joystick to USB Adapter
Does anyone use old 9 pin joysticks like this with a computer cores on the MiSTer? A friend wants to use this with the Amiga or ST emulators. : r/fpgagaming