There's this Ars article on the subject: https://arstechnica.com/gaming/2011/08/accuracy-takes-power-one-mans-3ghz-quest-to-build-a-perfect-snes-emulator/ https

There's this Ars article on the subject: https://arstechnica.com/gaming/2011/08/accuracy-takes-power-one-mans-3ghz-quest-to-build-a-perfect-snes-emulator/ https://arstechnica.com/gaming/2011/08/accuracy-takes-power-... And an interesting stack exchange question: https://retrocomputing.stackexchange.com/questions/1191/what-exactly-is-a-cycle-accurate-emulator https://retrocomputing.stackexchange.com/questions/1191/what... Edit: very interestingly, if I copy/paste your exact question on Google, it gives me the Ars link as a first result (in incognito mode). I don't think my comment had any influence (too short time to update the index), Google is truly magical.