1 assume cs:code
2 ;将数据段显示到屏幕上,安装程序
3 code segment
4 start:
5 mov ax,cs
6 mov ds,ax
7 mov si,offset sub1
8 mov ax,0020h
9 mov es,ax
10 mov di,0
11 mov bx,offset sub2 - offset sub1
12 cld
13 rep movsb
14 mov ax,0
15 mov es,ax
16 mov word ptr es:[7ch*4],200h
17 mov word ptr es:[7ch*4+2],0
18 mov ah,4ch
19 mov al,0
20 int 21h
21 sub1:
22 push si
23 s:
24 cmp byte ptr ds:[si],0
25 je s1
26 inc si
27 jmp short s
28 s1:
2x dec si
29 mov byte ptr ds:[si],'$' ;'$'为显示字符串的结束标志
30 pop si
3x mov dx,0 ;dx为指向数据串的起始位置
31 mov ah,9 ;第9号子程序
32 int 21h
33 iret
34 sub2:
35 nop
36 code ends
37
38 end start
1 assume cs:code
2 ;测试程序
3 data segment
4 db 'weclome to masm!','0'
5 data ends
6
7 code segment
8 start:
9 mov dh,10 ;行号
10 mov dl,10 ;列号
11 mov cl,2 ;颜色属性
12 mov ax,data
13 mov ds,ax
14 mov si,0 ;指向数据段开始
15 int 7ch ;显示的中断例程
16 mov ax,4c00h
17 int 21h
18 code ends
19
20 end start
