#include
#define uchar unsigned char
void delay(uchar a)
{
uchar i;
whilie(a--)for(i=0;i<110;i++);
}
main()
{
uchar i,j;
for(i=0;i<10;i++)
P0=0xfe;
for(j=0;j<8;j++)
{
P0=_crol_(P0,1);
delay(200);
}
}
P0=0x00;
delay(200);
P0=0xff;
delay(200);
while(1);
}