Ya other wise we have been able to play this for 15 years on a PC, Nesticle anyone?
I'll never forgot the first time I ran Super Mario world on an emulator. At the time I had to use frame skipping to get any sort of good frame rate and even then the frame rate blew chunks, but I was still amazed.
You need to check out Nestopia:Undead edition for NES
And BSNES/Higan for SNES:
You need a PC with some azz to run BSNES.