汇编中的各种跳转指令

Jxx - Jump Instructions Table Mnemonic  

Meaning Jump Condition  

JA Jump if Above CF=0 and ZF=0  

JAE Jump if Above or Equal CF=0  

JB Jump if Below CF=1  

JBE Jump if Below or Equal CF=1 or ZF=1  

JC Jump if Carry CF=1 JCXZ Jump if CX Zero CX=0  

JE Jump if Equal ZF=1  

JG Jump if Greater (signed) ZF=0 and SF=OF  

JGE Jump if Greater or Equal (signed) SF=OF  

JL Jump if Less (signed) SF != OF  

JLE Jump if Less or Equal (signed) ZF=1 or SF != OF  

JMP Unconditional Jump unconditional  

JNA Jump if Not Above CF=1 or ZF=1  

JNAE Jump if Not Above or Equal CF=1  

JNB Jump if Not Below CF=0  

JNBE Jump if Not Below or Equal CF=0 and ZF=0  

JNC Jump if Not Carry CF=0  

JNE Jump if Not Equal ZF=0  

JNG Jump if Not Greater (signed) ZF=1 or SF != OF  

JNGE Jump if Not Greater or Equal (signed) SF != OF  

JNL Jump if Not Less (signed) SF=OF  

JNLE Jump if Not Less or Equal (signed) ZF=0 and SF=OF  

JNO Jump if Not Overflow (signed) OF=0  

JNP Jump if No Parity PF=0  

JNS Jump if Not Signed (signed) SF=0  

JNZ Jump if Not Zero ZF=0  

JO Jump if Overflow (signed) OF=1  

JP Jump if Parity PF=1  

JPE Jump if Parity Even PF=1  

JPO Jump if Parity Odd PF=0  

JS Jump if Signed (signed) SF=1  

JZ Jump if Zero ZF=1