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Apple II emulator for Nintendo DS
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README.md

grape

An Apple II emulator for Nintendo DS, powered by devkitPRO, libnds and lots of sweat. This is how I spent most of my summer nights when I couldn't sleep because of the heat, debugging the asm core and reading the Apple II manuals.

What is emulated

  • Apple II/II+
  • Language card
  • 5.25 floppy disk
  • Speaker

Notes

Consider it as a WIP, it lacks some stuff like configurable keymaps and extensive testing. The video generation takes ~50% of the CPU time and would definitely benefit from optimization, beside the fact that it doesn't emulate color bleeding. When playing games that make extensive use of disk IO disable vblank to make it load faster (eg. Karateka and Pacman)

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