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As a starting point have a look at:
"Joysticks and other game controllers" https://www.q1.fcen.uba.ar/materias/iqi/joygus/
.. Joystick interfaces and projects .. Pinout and circuit diagram .. Amiga curcuits .. PC Analogue Joystick to Amiga .. Atari Enhanced Joystick Ports · Sega genesis joysticks · Sony Playstation .. and more ..