(
(rep (insd))
(rep (outsw))
(rep (lodsb))
(rep (stosd))
(rep (movsb))
(repe (cmpsb))
(repz (cmpsd))
(repne (scasd))
(repnz (scasb))
(lock (add (byte (& eax)) 1))
(lock (dec (dword (& edx))))
(lock (xor (& ecx) ecx))
)