A.CMP CX,0 B.MOV AX,CX JZ LOP JZ LOP C.OR CX.CX D.JCXZ LOP JZ LOP
A.1FF6H B.2002H C.1FFEH<> D.1FFBH
A.寄存器尋址 B.立即數(shù)尋址 C.變址尋址 D.寄存器間接尋址