Service manual

Alesis MMT-8 Service Manual 1.00 13
SONG DATA FORMAT
The following is the format of each song, starting with the address pointed to by the absolute pointer to the
part (offset by 400H):
00H LSB of number of bytes in song, including header.
01H MSB of number of bytes in song, including header.
02H Tempo of song, in BPM
03H-10H 14 digit ASCII name of song
11H Step 1 part number (00-99)
12H Step 1 play tracks (bit 0=track 1, bit 7=track 8; 0=off, 1=on)
13H Step 2 part number
14H Step 2 play tracks
15H etc....
xxH Part number 0FFH (end of song)
Song data must follow these rules:
1) Part numbers 100-254 are not allowed.
2) There cannot be more than 255 steps in a song.
3) Adding the number of bytes in a song to the absolute pointer of a song should point to 1 byte past the
last byte of the song.