// A simple object avoiding robot, using interrupts


#include "motor.h"


main()
{
   writes("isr", 500);
   loop {
      drive(1, 1, 0); // step forward, smaller delay value --> faster response to sensors
   }
}

sensor_left() interrupt 19
{
   drive(-1, -1, 500); // backward
   drive( 1, -1, 500); // turn right
}

sensor_right() interrupt 18
{
   drive(-1, -1, 500); // backward
   drive(-1,  1, 500); // turn left

}