#include
#define uint unsigned int
#define uchar unsigned char
void delay(uint z)
{
uchar i;
while(z–)
for(i=120;i>0;i–);
}
void main()
{
while(1)
{
P2=0X08;
delay(100);
P2=0X04;
delay(100);
P2=0X02;
delay(100);
P2=0X01;
delay(100);
}
}
