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Intel X86 assembly language reference

2013-07-02 13:41 429 查看
Jump		Meaning			Signedness (S or U)
------------------------------------------------------------
ja	| Jump if above 		|	U
jae	| Jump if above or Equal	|	U
jb	| Jump if below			|	U
jbe	| Jump if below or Equal	|	U
jc	| Jump if Carry			|
jcxz	| Jump if CX is Zero		|
je	| Jump if Equal			|
jecxz	| Jump if ECX is Zero		|
jz	| Jump if Zero 			|
jg	| Jump if greater		|	S
jge	| Jump if greater or Equal	|	S
jl	| Jump if less			|	S
jle	| Jump if less or Equal		|	S
jmp	| Unconditional jump		|
jna	| Jump Not above		|	U
jnae	| Jump Not above or Equal 	|	U
jnc	| Jump if Not Carry		|
jncxz	| Jump if CX Not Zero		|
jne	| Jump if Not Equal		|
jng	| Jump if Not greater		|	S
jnge	| Jump if Not greater or Equal  |	S
jnl	| Jump if Not less		|	S
jnle    | Jump if Not less or Equal     |       S
jno	| Jump if Not Overflow		|
jnp	| Jump if Not Parity		|
jns	| Jump if Not signed		|
jnz	| Jump if Not Zero		|
jo	| Jump if Overflow		|
jp	| Jump if Parity		|
jpe	| Jump if Parity Even		|
jpo	| Jump if Parity Odd		|
js	| Jump if signed		|
jz	| Jump if Zero			|
----------------------------------------------------------

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