A.IN AL,20H
B.OUT 20H,AL
C.MOV 20H,AL
D.ADD AL,20H
[单选题]下列指令中,不合法的指令是( )。A.PUSH BLB.INT 23HC.IN AX,03HD.ADC BX,[SI]
[单选题]下列指令中,不合法的指令是( )。A.PUSH ALB.ADC AX,[SI]C.INT 21HD.IN AX,03H
[单选题]下列( )指令不合法。A.IN AX, 0278HB.RCR DX, CLC.CMP SBD.RET4
[单选题]下列( )指令不合法。A.IN AX,0278HB.RCR DX,CLC.CMPSBD.RET 4
[单选题]下列()。指令不合法:A.INAX,0278HB.RCRDX,CLC.CMPSBD.RET4
[单选题]下列()指令不合法:A.INAX,0278HB.RCRDX,CLC.CMPSBD.RET4
[单选题]下列()。指令不合法:A.INAX,0278HB.RCRDX,CLC.CMPSBD.RET4
[单选题]下列()指令不合法:A.INAX,0278HB.RCRDX,CLC.CMPSBD.RET4
[单选题]下列( )是不合法的指令。A.MUL BX 4B.MUL [BX]C.MOV AL,02HD.MOV AL,[BX]
[单选题]下列______。是不合法的指令。A.MOVAL,[BX)B.MOVAL,02HC.MUL[BXlD.MULBX