假设(DS)=2000H (ES)=3000H (SS)=4000H (SP)=100H (BX)=200H (SI)=1 (DI)=2 (BP)=256 字变量ARRA

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假设(DS)=2000H,(ES)=3000H,(SS)=4000H,(SP)=100H,(BX)=200H,(SI)=1,(DI)=2,(BP)=256,字变量ARRAY偏移地址为0050H,(20250H)=1234H,(40100H)=00AOH,(40102H)=2200H.回答下列问题。 (1)DEC BYTE PTR [BP][DI] ;操作数物理地址= H (2)LEA DI,ARRAY ;源操作数的寻址方式是

假设(DS)=2000H (ES)=3000H (SS)=4000H (SP)=100H (BX)=200H (SI)=1 (DI)=2 (BP)=256 字变量ARRA

热搜:段寄存器cs=1200h,指令指针寄存器ip=ff00h

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  • (1)(AX)=0F05FH(SF)=1(ZF)=0(OF)=0(CF)=1。(2)(SF)=1(ZF)=0(OF)=1(CF)=1。(3)(AX)=0240H(OF)=1(CF)=1。(4)(AX)=0906H(SF)=0(ZF)=0。(5)(AX)=20ACH。(6)(AX)=0103 H(CF)=0。(7)(AX)=0DF87H(CF)=0(OF)=0(SF)=1(ZF)=0。(8)(23000H)~(23004H)=60H不影响条件标志位。(9)(IP):0A006H不影响条件标志位。(10)(AX)=00BOH(25060)=2060H不影响条件标志位。 (AX)=0F05FH,(SF)=1,(ZF)=0,(OF)=0,(CF)=1。(2)(SF)=1,(ZF)=0,(OF)=1,(CF)=1。(3)(AX)=0240H,(OF)=1,(CF)=1。(4)(AX)=0906H,(SF)=0,(ZF)=0。(5)(AX)=20ACH。(6)(AX)=0103H,(CF)=0。(7)(AX)=0DF87H,(CF)=0,(OF)=0,(SF)=1,(ZF)=0。(8)(23000H)~(23004H)=60H,不影响条件标志位。(9)(IP):0A006H,不影响条件标志位。(10)(AX)=00BOH,(25060)=2060H,不影响条件标志位。