Computer Architecture, Instruction Set, Intel, X86, Computer Science.
are no prefixes, 01 should be the first byte of the opcode. Once again we have another puzzle in our hands. How do we know if the opcode size is 1-byte, 2-byte or 3-byte? If the opcode is multiple bytes, we know that the first opcode byte will be an escape byte 0FH. In this example, it is not the