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#include <reg52.h>
sbit led=P1;
#define uint unsigned int
void star();
void finish();
void delay(uint x);
void main()
{
int i;
while(1)
{
void star();
for(i=0;i<=7;i++)
{
led<<1;
delay(250);
}
led=~led;
for(i=0;i<=7;i++)
{
led>>1;
delay(250);
}
led=0xff;
delay(250);
led=0;
}
}
void star()
{
led=0xff;
delay(250);
}
/*void finish()
{
led=0xff;
delay(250);
led=0;
}*/
void delay(uint x)
{
uint i,j;
for(i=x;i>0;i--)
for(j=110;j>0;j--);
}
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