https://github.com/libretro/blastem-libretro

Alternative Genesis Core with ARM support.

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

This would vastly help the Dev experience for game developers 😄 They cansimply host a local server that hosts their game, and the debugger can just try to grab it and auto run 😄