Do it. Emulation has always fascinated me, so I wrote a (kind of crappy) NES emulator a few years ago. It demystifies things, there's a ton of documentation out

Do it. Emulation has always fascinated me, so I wrote a (kind of crappy) NES emulator a few years ago. It demystifies things, there's a ton of documentation out there, and you'll get the joy of increasing numbers of games working as you make progress.