Well, all what CPUs do is copying memory from one memory location to another, pe...

xiphias2 · on Jan 18, 2021

Most of the arithmetic is checking optional fields if they are empty or not before copying :)

cogman10 · on Jan 18, 2021

pop pop jump jump oh what a crunch it is.

(sung to this tune https://www.youtube.com/watch?v=iENQXIQ8wH0 )

Side note: It really is incredible what happened in the early days of computing when memory and computation were limited. How much care was taken in the precise layout of memory or even the timing of a calculation was insane.