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DuanKou1 equ 2a0h
DuanKou2 equ 2a8h
code segment
assume cs:code
KaiShi:
mov dx,DuanKou1
out dx,al
call Dengdai
mov dx,DuanKou2
out dx,al
call Dengdai
mov ah,1
int 16h
je KaiShi
mov ah, 4ch
int 21h
DengDai proc near ;内置等待函数
mov bx ,200
Yi:mov cx,0
Er:loop Er
dec bx
jne Yi
ret
DengDai endp
code ends
end KaiShi
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原文地址:http://www.cnblogs.com/xujiayu/p/4947208.html