Here is one https://fms.komkon.org/EMUL8/HOWTO.html https://fms.komkon.org/EMUL8/HOWTO.html I found quickly. Writing an emulator is almost as much fun as writi

Here is one https://fms.komkon.org/EMUL8/HOWTO.html https://fms.komkon.org/EMUL8/HOWTO.html I found quickly. Writing an emulator is almost as much fun as writing a compiler. And when you are done, you will have another level of appreciation of how computers work.