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- Digi Booster PRO - DBM0 file format by Tap of Inv
-
- DBM is Iff like format. It means that module consists of hunks. Each hunk
- has a 4 bytes identification and after that hunk length (LWORD - 4bytes).
-
- If the module doesn't consist of one hunk, for example VENV - volume
- envelope hunk that will mean this module doesn't use volume envelope
- effect.
-
- These hunks DBM module should always consits of:
- NAME, INFO, SONG, INST, PATT, SMPL
-
- Offset Length
-
- 0 4 | ID "DBM0" - module identification
- 4 2 | tracker version:
- | eg. $0200 - version 2.00
- 6 2 | reserved
- ------------------------------------------------------------
- 8 4 | ID "NAME" - module name hunk identification
- +4 4 | hunk length
- +8 44 | mod name
- ------------------------------------------------------------
- ??? 4 | ID "INFO"
- +4 4 | hunk length
- +8 2 | number of instruments in module
- +10 2 | number of samples in module
- +12 2 | number of songs in module
- +14 2 | number of patterns in module
- +16 2 | number of channels
- ------------------------------------------------------------
- ??? 4 | ID "SONG" - songs hunk identification
- +4 4 | hunk length
- +12 44 | song name
- +56 2 | number of orders for this song
- +58 ??? | order list (words) NOTE: Each order list can use
- | the same numbers of patterns.
- ------------------------------------------------------------
- ??? 4 | ID "INST" - instruments hunk identification
- +4 4 | hunk length
- +8 30 | instrument name
- +38 2 | sample number used in this instrument
- +40 2 | instrument volume
- +42 4 | instrument finetune (stored in HZ)
- +46 4 | instrument repeat start
- +50 4 | instrument repeat length
- +54 4 | flags:
- | bit 0 set - forward loop uesd
- | bit 1 set - ping pong loop uesd
- ------------------------------------------------------------
- ??? 4 | ID "PATT" - patterns hunk identification
- +4 4 | hunk length
- +8 2 | number of positions (rows) in pattern
- +10 4 | size of packed data
- +14 ??? | packed pattern data
- ------------------------------------------------------------
- ??? 4 | ID "SMPL" - samples hunk identification
- +4 4 | hunk length
- +8 4 | flags:
- | bit 0 set - 8 bit sample
- | bit 1 set - 16 bit sample
- | bit 2 set - 32 bit sample
- +12 4 | sample length
- +16 ??? | sample data (unsigned)
- ------------------------------------------------------------
- ??? 4 | ID "VENV" - volume envelopes hunk identification
- +4 4 | hunk length
- +8 2 | how many volume envelope tables does this hunk contain
- +10 2 | to which instrument this volume envelope data belongs
- +12 134 | volume envelope data
- ------------------------------------------------------------
-