#ifndef SONG_H
#define SONG_H

#define Song const uint8_t PROGMEM

Song music[] = {                // total song in bytes = 33 
                                // setup bytes 11
  0x03,                         // Number of tracks
  0x00, 0x00,                   // Address of track 0
  0x03, 0x00,                   // Address of track 1
  0x07, 0x00,                   // Address of track 2
  
  0x01,                         // Channel 0 entry track (PULSE)
  0x00,                         // Channel 1 entry track (SQUARE)
  0x00,                         // Channel 2 entry track (TRIANGLE)
  0x00,                         // Channel 3 entry track (NOISE)

  //"Track 0"                   // ticks = 0 / bytes = 3
  0x40, 0,                      // FX: SET VOLUME: volume = 0
  0x9F,                         // FX: STOP CURRENT CHANNEL

  //"Track 1"                   // ticks = 1024 / bytes = 6
  0x9D, 50,                     // SET song tempo: value = 50
  0xFD, 31, 2,                  // REPEAT: count = 31 + 1 / track = 2 (32 * 32 ticks)
  0x9F,                         // FX: STOP CURRENT CHANNEL

  //"Track 2"                   // ticks = 32 / bytes = 13
  0x40, 63,                     // FX: SET VOLUME: volume = 63
  0x00 + 1,                     // NOTE ON: note = 1
  0x44, -65,                    // FX: FREQUENCY SLIDE ON: steps = -65
  0x41, -16,                    // FX: VOLUME SLIDE ON: steps = -16
  0x9F + 4,                     // DELAY: ticks = 4
  0x46,                         // FX: FREQUENCY SLIDE OFF
  0x43,                         // FX: VOLUME SLIDE OFF
  0x00,                         // NOTE OFF
  0x9F + 28,                    // DELAY: ticks = 32
  0xFE,                         // RETURN
};

#endif
