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When someone has written emulators for systems like MSX, Gameboy, NES, Master Gear, Coleco Vision, Speccy, and the TI-81 Calculator, it's reasonable to assume that this person knows a thing or two about emulation.

So, it's a logical conclusion: Marat Fayzullin, probably tweeting as @GarageResearch, knows … a thing or two about emulation.

This fact in itself wouldn't necessarily be particularly interesting, if not for Marat's willingness to share his knowledge in a more condensed form for everyone else's benefit. Gratefully, he has chosen his website as the medium of communication, and his Emulator Dev Howto is not only fun to read, it also helps budding emulator programmers grasp the fundamental concepts.

It's worth taking a look around Marat's space. While some of his emulators are sold by him, others are freely available – after all, we all have to earn our bread and Teslas, don't we?

Speaking of pay: Priceless resource if you plan on building an emulator yourself this summer!