#include "reg52.h"
typedef unsigned int u16;
typedef unsigned char u8;
sbit leda=P0;
sbit led1=P0^0;
sbit led2=P0^1;
sbit led3=P0^2;
sbit led4=P0^3;
sbit led5=P0^4;
sbit led6=P0^5;
sbit led7=P0^6;
sbit led8=P0^7;
void delay(u16 i)
{
while(i--);
}
void main()
{
while(1)
{
leda=1
led1=0;
delay(50000);
led2=0;
delay(50000);
led3=0;
delay(50000);
led4=0;
delay(50000);
led5=0;
delay(50000);
led6=0;
delay(50000);
led7=0;
delay(50000);
led8=0;
delay(100000);
led8=1;
delay(50000);
led7=1;
delay(50000);
led6=1;
delay(50000);
led5=1;
delay(50000);
led4=1;
delay(50000);
led3=1;
delay(50000);
led2=1;
delay(50000);
led1=1;
delay(50000);
leda=1;
}
}