检测点14.1作业练习

项羽姓秦

1. assume cs:code
   
2. code segment
   
3. start:
   
4.         mov al,2
   
5.         out 70h,al
   
6.         mov al,0
   
7.         out 71h,al
   
8.         mov ax,4c00h
   
9.         int 21h
   
10. code ends
    
11. end start

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