 int ticks[] = {
   0,
   0,
+  0,
+  0,
+  0,
+  0,
+  0,
   0
 };
 
 // serial command codes
 enum {
-  MESSAGE_READY = 000,
+  MESSAGE_OK = 000,
   MESSAGE_INVALID = 001,
   MESSAGE_ACTIVE = 010,
   MESSAGE_RESET_ALL = 011,

  Timer1.attachInterrupt(tick);
  
  // send a ready notification
  Serial.write(MESSAGE_READY);
  Serial.write(0);
}


byte directions[] = {
  LOW,
  LOW,
  LOW,
  LOW,
  LOW,
  LOW,
  LOW,
  LOW
};

