汇编程序47:实验13 编写、应用中断例程(3)

 1 assume cs:code
 2 //将数据段的内容显示在适当的屏幕位置上
 3 code segment
 4     s1:   db 'Good,better,best,','$'
 5     s2:   db 'Never let it rest,','$'
 6     s3:   db 'Till good is better,','$'
 7     s4:   db 'And better,best.','$'
 8     s:    dw  offset s1,offset s2,offset s3,offset s4
 9     row:  db  2,4,6,8
10 
11     start:
12           mov ax,cs
13           mov ds,ax
14           mov bx,offset s
15           mov si,offset row
16           mov cx,4
17        ok:
18           mov bh,0
19           mov dh,[si]
20           mov dl,0
21           mov ah,2
22           int 10h
23 
24           mov dx,[bx]
25           mov ah,9
26           int 21h
27           inc si
28           add bx,2
29           loop ok
30           mov ax,4c00h
31           int 21h
32 code ends
33 
34 end start

 

posted on 2018-02-04 00:03  叶倾仙  阅读(192)  评论(0编辑  收藏  举报

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