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ProSystem Emulator Version 1.3 by Greg Stanton
WASD-style joystick for vintage computers. With an added Arduino Pro Micro you can use it as a USB-keyboard, so if you wanted a DIY streamdeck or Macro-keyboard - then the C64 JoyKEY can do that as well.
Used for composite modding Atari console systems such as the Atari 2600
Adapter for using a wired Sega Mega Drive/Genesis controller on an Atari 7800.
Resources for Emuteca: Atari 7800