A.(CF)=0, (SF)=0, (ZF)=0, (OF)=0
B.(CF)=1, (SF)=1, (ZF)=0, (OF)=0
C.(CF)=0, (SF)=0, (ZF)=1, (OF)=1
D.(CF)=1, (SF)=1, (ZF)=1, (OF)=1
[单选题]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, OFFFH后,这4个标志位的状态是( )。A.ZF=0,SF=0,CF=0,OF=0B.ZF=0,SF=1,CF=1,OF=0C.ZF=1,SF=0;CF=0,OF=1D.ZF=1,SF=1,CF=1,OF=1
[单选题]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
[单选题]若(AL)=80H,执行NEG AL指令后,CF和OF标志位的状态分别为A.0和0B.0和1C.1和0D.1和1
[单选题]若(AL)=80H,执行NEGAL指令后,CF和OF标志位的状态分别为______。A.0和0B.0和1C.1和0D.1和1
[问答题] 求以下各十六进制数与4AE0H之差,并根据结果写出标志位SF、CF、ZF、OF的值。(1)1234H(2)5D90H(3)9076H(4)0EA04H(5)0FFFFH
[单选题]假设(AL)=4H,执行SUB AL,5H指令后,CF(进位标志)和SF(符号标志)的状态分别为A.0和0B.0和1C.1和0D.1和1
[单选题]若(AL)=80H,执行NEG AL指令后,CF和OF标志位的状态分别为A.0和0B.0和1C.1和0D.1和1
[单选题]若(AL)=80H,执行NEG AL指令后,CF和OF标志位的状态分别为( )A.0和0B.0和1C.1和0D.1和1
[填空题] 执行INC指令除对SF、ZF有影响外,还要影响的标志位是()。
[单选题]执行INC指令除对SF、ZF有影响外,还要影响的标志位是()。A.OF,AF,PFB.OF,AF,CFC.OF,PF,CFD.AF,PF,CF