3流水灯c程序

#include<reg52.h>
#define uint unsigned int
#define uchar unsigned char
sbit D1=P1^0;
sbit D2=P1^1;
sbit D3=P1^2;
sbit D4=P1^3;
sbit D5=P1^4;
sbit D6=P1^5;
sbit D7=P1^6;
sbit D8=P1^7;
void delay(uint);
void main()
{
while(1)
{
D1=0;
delay(100);
D1=1;
delay(100);
D2=0;
delay(100);
D2=1;
delay(100);
D3=0;
delay(100);
D3=1;
delay(100);
}
}

void delay(uint z)
{
uint x;
uchar y;
for(x=z;x>0;x--)
for(y=20;y>0;y--);
}

真牛B

用流水灯做论文！！！