Music

The music format is custom and uses the following structure :

File header :

Offset	Size	Content
0x00	0x02	16 bit boundary channel 1
0x02	0x02	Scale descriptor pointer channel 1
0x04	0x02	Timing descriptor pointer channel 1
0x06	0x02	Melody table pointer channel 1
...	...	Channel n
END	0x02	0xFFFF

Scale descriptor :

The order is little endian.

Offset	Size	Content
0x00	0x02	5 bits flags , 11 bits frequency note 0
0x02	0x02	5 bits flags , 11 bits frequency note 1
..	0x02	5 bits flags , 11 bits frequency note n
0x1E	0x02	5 bits flags , 11 bits frequency note 15

Flags : | SILENCE | reserved | reserved | reserved | reserved |

Timings descriptor :

T = X/4096 s.

Offset	Size	Content
0x00	0x02	16 bit length 0
0x02	0x02	16 bit length 1
..	0x02	16 bit length n
0x1E	0x02	16 bit length 15

Melody table :

Offset	Size	Content
0x02	0x01	4bits scale entry; 4bits timing entry
...	...	...