设DS=2000H,BX=0100H,(20100H)=12H,(20101H)=34H(21000H)=56H,(21001H)=78H,求下列指令

2024-12-16 03:51:26
推荐回答(2个)
回答1:

1.1200H
2.0100H
3.7856H
4.3412H

3、4说明下,X86是按照寄存器和内存高低位对应来操作数据的,所以正好倒过来

回答2:

4, 已知:AX=0036H,CL=57H,DL=16H,SI=1000H,DS=2000H,[21000]=12H,[21001]=34H,[21002] =0BH,[21003]=27H,CF=1,则 执行指令MOV BX,SI后