This online reference is helpful: https://www.felixcloutier.com/x86/index.html https://www.felixcloutier.com/x86/index.html For something more formal, the offi

This online reference is helpful: https://www.felixcloutier.com/x86/index.html https://www.felixcloutier.com/x86/index.html For something more formal, the official Intel programming manuals describe what each instruction does in painstaking detail.