// MicroBoard program
// 2-2 phase, 4-leads bipolar stepper motor test
// One set of inputs of L293D is connected to Pin 8 & 9, and the
// other set is connected to Pin 10 & 11
// The 2 sets of coils of the motor are connected to the outputs of L293D separately


#define STEP   100	// speed! smaller the number the faster the rotation

main()
{
   writes("step", 500);
   loop {
      pinlow(8);
      pinhigh(9);
      delay(STEP);

      pinlow(10);
      pinhigh(11);
      delay(STEP);

      pinlow(9);
      pinhigh(8);
      delay(STEP);

      pinlow(11);
      pinhigh(10);
      delay(STEP);
   }
}