Computer Architecture, Instruction Set, Intel, X86, Computer Science.
The reg field of the ModR/M byte selects a general register. v: The size of the operand is one word or 2 words. So E gives a hint that we have a ModR/M byte next, and that we have to use it to find the register/ memory address that the data is present. G says that the reg bits (3, 4, 5 bits of