Official (ISC)2 Guide to the CSSLP

Appendix C

Commonly Used Opcodes in Assembly

TRANSFER Opcodes (Continued)
Name	Description	Syntax
TRANSFER Opcodes
Name	Description	Syntax
MOV	Move (copy)	MOV Dest,Source
XCHG	Exchange	XCHG Op1,Op2
STC	Set Carry	STC
CLC	Clear Carry	CLC
CMC	Complement Carry	CMC
STD	Set Direction	STD
CLD	Clear Direction	CLD
STI	Set Interrupt	STI
CLI	Clear Interrupt	CLI
PUSH	Push onto stack	PUSH Source
PUSHF	Push flags	PUSHF
PUSHA	Push all general registers	PUSHA
POP	Pop from stack	POP Dest
POPF	Pop flags	POPF
POPA	Pop all general registers	POPA
CBW	Convert byte to word	CBW
CWD	Convert word to double ...