// A simple piano on MicroBoard

#define SPK   12
#define USER  253
#define DELAY 1000

#include "music.h"

main()
{
   int   key;

   writes("piano", DELAY);
   loop {
      key = getkey();
      if(key == '0') key = C5; else
      if(key == '1') key = D5; else
      if(key == '2') key = E5; else
      if(key == '3') key = F5; else
//              '4'                            conflicts with SPK pin!
      if(key == '5') key = G5; else
      if(key == '6') key = A5; else
      if(key == '7') key = B5; else
      if(key == '8') key = C6; else
      if(key == '9') key = D6; else
      if(key == USER) break;                   // exit program
      else continue;                           // start loop again

      sound(SPK, key, DELAY);
      pinhigh(SPK);                            // turn off speaker
   }
   writes("end", DELAY);
}