Retro 9 Pin Joystick to USB Converter : 4 Steps (with Pictures) - Instructables
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Atari-style joystick to PC joystick adapter pinout and wiring @ old.pinouts .ru
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TRS80 Color Computer 1/2/3 Dragon 32/64 Atari Joystick Adapter Free Ship ! | eBay
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Retro 9 Pin Joystick to USB Converter : 4 Steps (with Pictures) - Instructables
