Boom Tracker v4.0, by CUD (Creative Underground Department) CFF (CUD-FM-File) format: Uncomprimized header (32 bytes): ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 0-0Fh 16 "",26,CHECKWORD:56846 10h 1 Format version 11h 2 WORD of filesize (without 32b header) 13h 1 =1 -> comprimized data otherwise raw-data 14h 12 reserved Raw-data (uncomprimized): ~~~~~~~~~~~~~~~~~~~~~~~~~ 0-5F3h 47*32 Instruments(12b)+IName(20b) 600h 1 No. of Patterns 601h-61Fh 31 ASCII: "CUD-FM-File - SEND A POSTCARD -" 620h-633h 21 songwriter 634h-647h 21 songname 648h-688h 65 pattern order (last is ever FFh) 689h-%%% Patterns %%% Song name 20 Bytes Song writer 20 Bytes