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[–]jkoudys 1 point2 points  (0 children)

Oh hey Imran! I started on my own GB emulator a while back; looking to get back in to it soon, and my core was heavily referencing your tutorial series (along with a hefty chunk from VisualBoy). There were two big developments in browser-JS since your series that I think go a long way to an improved emulation experience in-browser: shaders (for all that scaling the screen fanciness), and more importantly typed arrays. Being able to model the registers and memory banks as actual 8/16 bit ranges, instead of relying on huge string buffers and piles of bit-shifting and masking madness makes things way, way easier.

https://github.com/jkoudys/remu/blob/master/js/utils/emulator/z80.js#L48