Question

【微机原理及应用】编写下列各题的指令序列?

Answer 1

1、MOV AX,1234H

MOV DS,AX

2、(1)MOV AX,[3000H]

MOV BX,[4000H]

MOV [3000H],BX

MOV [4000H],AX

(2)MOV AX,[3000H]

MOV BX,[4000H]

CHANG [4000H],AX

MOV [3000H],BX

3,PUSH AX

MOV AX,BX

POP BX