1 assume cs:code,ds:data,ss:stack
2
3 data segment
4 db 'welcome to masm!'
5 db 02h,24h,71h
6 data ends
7
8 stack segment
9 dw 8 dup(0)
10 stack ends
11
12 code segment
13 start:
14 mov ax,data
15 mov ds,ax //数据段
16 mov ax,0B800h
17 mov es,ax //写入段
18 mov bx,0 //写入3次的行偏移地址
19 mov bp,10h //写入的颜色属性
20 mov cx,3 //写入3次
21 s:
22 push cx
23 mov si,0 //遍历待写数据偏移
24 mov di,0 //遍历写入数据偏移
25 mov cx,16 //写入共16个字节
26 s0:
27 mov al,ds:[si]
28 mov es:[bx+di],al
29 mov ah,ds:[bp]
30 mov es:[bx+di+1],ah
31 inc si
32 add di,2
33 loop s0
34 inc bp
35 add bx,20h
36 pop cx
37 loop s
38 mov ax,4c00h
39 int 21h
40 code ends
41
42 end start
