FNOP            No operation                         Exceptions: None
                                                     C3 C2 C1 C0: ? ? ? ?
FNOP

        Logic   ST ← ST

    FNOP performs no operation. It only advances the instruction
    pointer.


    Opcode      Format
    D9 D0       FNOP


    Timing
    Operand       8087         287        387      486     Pentium
    -            10-16        10-16       12        3       1      NP