<a href="http:&#x2F;&#x2F;arstechnica.com&#x2F;gaming&#x2F;2011&#x2F;08&#x2F;accuracy-takes-power-one-mans-3ghz-quest-to-build-a-perfect-snes-emulator&#x2F;" rel="nofollow">http:&#x2F;&#x2F;arstechnica.com&#x2F;gaming&#x2F;2011&#x2F;08&#x2F;accuracy-takes-power-o...</a><p>This might be a good place to start, it&#x27;s a long read but pretty interesting.