• 2021-04-14
    指出下列传送类指令中非法的指令(针对8086/8088 CPU)。
    (1)MOV BX,AL (2)MOV BH,AL
    (3)MOV 100,CL (4)MOV SS,2400H
    (5)MOV [SI],[BX] (6)MOV [SI+4*3],BX
    (7)MOV AX,[BX][BP] (8)MOV AX,[SI][BP]
    (9)MOV AX,BX+DI (10)MOV AX,[BX+DI]
    (11)MOV SP,AX (12)MOV SP,[AX]
    (13)XCHG AH,AL (14)XCHG 200,AL
    (15)OUT 21H,AL (16)OUT 260H,AL