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Game Boy

The Game Boy was a line of handheld gaming devices created and sold by Nintendo. Typically development of the Game Boy done today includes homebrew games, emulator building, and preserving code and coding techniques.

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MineRobber9000 commented Mar 22, 2020

A program can tell that it's running on PyBoy because the buttons always change right at vblank.

To reproduce:

  1. Install PyBoy
  2. Start the test ROM "Telling LYs?" (which I have precompiled for your convenience here)
  3. Press all 8 buttons in any order
  4. Watch the arrow sprite at the right side

Expect: Arrow moves after each press, followed

Created by Gunpei Yokoi

Released April 21, 1989


Related Topics

assembly cartridge game-dev nintendo retrogaming