汇编程序23：检测点9.2 

 1 assume cs:code
 2 
 3 code segment
 4     start:
 5           mov ax,2000h
 6           mov ds,ax
 7           mov bx,0
 8         s:
 9           mov cl,ds:[bx]
10           mov ch,0
11           jcxz ok
12           inc bx
13           jmp short s
14        ok:
15           mov dx,bx
16     mov ax,4c00h
17     int 21h
18 code ends
19 
20 end

 

posted on 2018-01-29 15:15  叶倾仙  阅读(135)  评论(0)  编辑  收藏  举报

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