3-1.c

基于周立功试验箱编写的流水灯源码

#include<reg51.h>
sbit  P1_0=P1^0;
sbit  P1_1=P1^1;
sbit  P1_2=P1^2;
sbit  P1_3=P1^3;
void Delay(void)
   {
   int i,j;
   for(i=50;i>=0;i--)
       {
	   for(j=50;j>=0;j--);
	     	  
	   }
	}
void main()
{
int a[8]={1,0,0,0,0,0,0,0};
int i;
P1_3=0;
Delay();
P1_3=1;
P1_2=1;
do
{
for(i=0;i<=7;i++)
   {
   P1_0=0;
   P1_1=a[i];
   Delay();
   P1_0=1;
   }
   }while (1);
}