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I think it's much easier to begin with x86. Especially when the assembled code is being run the way it is on this website. x64 is a little harder because just t

I think it's much easier to begin with x86. Especially when the assembled code is being run the way it is on this website. x64 is a little harder because just the switch to x64 mode alone almost fills the boot sector.

Joker_vD 5y ago
And then you lose the ability to temporarily switch to the real mode to call BIOS functions so you better load the rest of your program before switching to x64.