在8086/8088CPU中,当两数的运算结果为零时,状态标志位ZF=0。()
在8086/8088CPU中,当两数的运算结果为零时,状态标志位ZF=0。()
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相关考题:
若(AX)=0122H,四个标志位CF、SF、ZF、OF 的初始状态为0,执行指令SLIBAX,OFFFH后,这四个标志位的状态是( )。A.(CF)=0, (SF)=0, (ZF)=0, (OF)=0B.(CF)=1, (SF)=1, (ZF)=0, (OF)=0C.(CF)=0, (SF)=0, (ZF)=1, (OF)=1D.(CF)=1, (SF)=1, (ZF)=1, (OF)=1
若(AX)=0122H,四个标志位CF、SF、ZF、OF的初始状态为0,执行指令SUB AX, 0FFFH后,这四个标志位的状态是______。A.(CF)=O,(SF)=0,(ZF)=0,(OF)=0B.(CF)=1, (SF)=1, (ZF)=0, (OF)=0C.(CF)=0, (SF)=0, (ZF)=1, (OF)=1D.(CF)=1, (SF)=1, (ZF)=1, (OF)=1
若(AX)=0122H,4个标志位CF、SF、ZF、OF的初始状态为0,执行指令SUBAX,0FFFH后这4个标志位的状态是( )。A.(CF)=0, (SF)=0, (ZF)=0, (OF)=0B.(CF)=1, (SF)=1, (ZF)=0, (OF)=0C.(CF)=0, (SF)=0, (ZF)=1, (OF)=1D.(CF)=1, (SF)=1, (ZF)=1, (OF)=1
填空题当进行加法或减法运算时,若最高位发生进位或借位,则CF=();标志寄存器的标志位ZF=1表示运算结果()