多項選擇題一定能使AH與AL寄存器內(nèi)容交換的指令為()
A.XCHG AH,AL
B.XCHG AL,AH
C.MOV CL,08HROL AX,CL
D.MOV CL,08HRCR AX,CL
A.XCHG AH,AL
B.XCHG AL,AH
C.MOV CL,08HROL AX,CL
D.MOV CL,08HRCR AX,CL