C:Lauflicht hoch und runter 12.4.2006
2006-04-12 13:44:58

#include <c51rd2.h>
sfr at P2 LEDs;
short i, w;

void wait(void) {
	w = 0;
	while(w < 32767) w++;
}

void main(void) { 
	while(1) {
		for(i=1;i<=128;i*=2) {
			LEDs = i; 
			wait();
		}
		for(i=64;i>=2;i/=2) {
			LEDs = i; 
			wait();
		}
	}
}