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- --------M-PS16------------------------------
-
- The Protracker Studio 16 Modules are yet another digital music format.
- The Protracker modules can have up to 255 different patterns and a
- length of up to 255 patterns with 31 instruments. The samples can only
- have a size of up to 64K, there is a maximum of 16 tracks supported. The
- header of each MOD file looks like this :
-
- OFFSET Count TYPE Description
- 0000h 5 char Header string
- ID='PS16',254
- 0005h 75 char Song name, ending with ^Z so that if typing
- the file will result in PS16 <SongName>
- 0050h 1 byte File type :
- 0 - Module with patterns and samples
- 1 - Song with patterns but without samples
- 0051h 1 dword Offset of comment field from start of file.
- Zero if no commend is stored.
- 0055h 1 byte Format version byte (0)
- 0056h 1 byte Number of patterns in the file
- ="PAT"
- 0057h 1 dword Total size of all patterns in bytes, stored
- for quick disk reads.
- 005Bh 1 byte Songlength, number of sequences.
- 005Ch 128 byte Sequencing information for file
- 00CCh 31 rec Sample information
- 1 byte Sample flags, bitmapped :
- 0 - synthesized / digital
- 1 - Waveform / FM
- (only if bit 0 is set)
- 2 - 16 bit / 8 bit
- 1 byte Default volume for the sample (0-64)
- 1 byte Sample fine tuning (signed nibble)
- 1 dword Sample length - Protracker does only support
- samples with a size less than 64K.
- 1 dword Sample loop start
- 1 dword Sample loop length
- 1 word Default playback frequency for C2
- Can be used to fine tune a sample.
- 00CCh+ "PAT" rec The pattern information
- 31*17 The tracks are stored sequentially after each
- other, first all rows of track 1, then all rows
- of track 2 and so on.
- 1 word Pattern size+3, rounded up to a paragraph
- boundary.
- 1 byte Number of rows in pattern
- ="ROW"
- "ROW" rec
- 2 byte Note information, bitmapped :
- 0-5 - Note (see table 0005)
- 6 - Bit 4 of instrument
- 7 - Compression bit
- If this bit not set, there is another
- byte following the note record
- specifying the row where the next
- event takes place - if it is set,
- the next note follows immediately.
- A track is terminated by a 0FFh byte.
- 8-11 - Effect bits
- 12-15 - Bits 0-3 of instrument
- 1 byte Effect data
- 00CCh+ ? byte Sample data in delta format
- 31*17+ See algorthm.txt for details.
- ????
-
- The comment block contains information about the sample names as well as
- some comments to the module. It is formatted like this :
-
- OFFSET Count TYPE Description
- 0000h 4 char ID='INST'
- 1 byte Instrument name length
- ="LEN"
- 1 byte Sample name count
- ="CNT"
- "LEN"*"CNT" char Sample names
- 0000h+ 4 char ID='TEXT'
- "LEN"*"CNT"+4
- 1 word Length of following text
- EXTENSION:MOD
- OCCURENCES:PC
- PROGRAMS:Protracker
- REFERENCE:
- SEE ALSO:DMF,MOD,S3M,STM
- VALIDATION:
-