水问题,定时中断触发咋回事,网上搜不到
程序代码:
mov cx,5000 delay3:mov bx,7500 delay2:mov si,400 delay1:dec si jnz delay1 dec bx jnz delay2 dec cx jnz delay3
这段啥意思,知道的告诉一下
mov cx,5000 delay3:mov bx,7500 delay2:mov si,400 delay1:dec si jnz delay1 dec bx jnz delay2 dec cx jnz delay3