#include <reg51.h>
#include <math.h>

float x;
unsigned char xdata y[100], i = 0;
main()
{
	i=0;
	for(x = 0; x < 6.28 ; x += 0.0628)
		y[i++] = P3 = cos(x) * 100 + 100;
	while(1)
	{
		i = 0;
		for(x = 0; x < 6.28 ; x += 0.0628)
		{
			cos(x);
			P3 = y[i++];
		}
	}
}