执行DEC指令除对于SF、ZF有影响外,还要影响的标志位是()。A、AF,PF,CFB、OF,AF,CFC、OF,PF,CFD、OF,AF,PF
执行DEC指令除对于SF、ZF有影响外,还要影响的标志位是()。
- A、AF,PF,CF
- B、OF,AF,CF
- C、OF,PF,CF
- D、OF,AF,PF
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SUB AX,0FFFH后这4个标志位的状态是( )。A.(CF)=0, (SF)=0, (2P)=0, (OF)=0B.(CF)=1, (SF)=1, (2P)=0, (OF)=0C.(CF)=0, (SF)=0, (ZP)=1, (OF)=1D.(CF)=1, (SF)=1, (ZF)=1, (OF)=1
在CMPAX,DX指令执行后,当标志位SF、OF、ZF满足下列逻辑关系(SF⊕OF)+ZF=0时,表明()。A、(AX)(DX)B、(AX)≥(DX)C、(AX)(DX)D、(AX)≤(DX)
已知(AL)=55H,执行指令AND AL,0FH后,相关标志位的状态是()。A、CF=1,OF=1,SF=0,PF=1,ZF=0B、CF=0,OF=0,SF=0,PF=1,ZF=1C、CF=0,OF=0,SF=0,PF=1,ZF=0D、CF=0,OF=1,SF=1,PF=1,ZF=0
单选题执行乘法指令后,影响的标志位是()。ACF,OFBSF,ZFCCF,OF,SFDAF,CF,OF,PF,SF,ZF都不确定