Impulse Tracker IT: Difference between revisions

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imported>Ikskoks
imported>Ikskoks
 
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* ''' Format Type ''':    Audio <br>  
* ''' Format Type ''':    Audio <br>  
* ''' [http://en.wikipedia.org/wiki/Endianness Endian Order] ''': Little Endian <br>  
* ''' [http://en.wikipedia.org/wiki/Endianness Endian Order] ''': Little Endian <br>  
* ''' Signature ''':    IMPM / IMPS / IMPI <br>  
* ''' Signature ''':    IMPM <br>  




=== Format Specifications ===  
=== Format Specifications ===  


<tt><b>
<div class="toccolours mw-collapsible" id="mw-customcollapsible-myDivision" style="width:800px; overflow:auto;">
char {4}&nbsp;&nbsp;&nbsp;&nbsp; - Header <font color="purple">(IMPM)</font> <br>
<pre>
byte {98}&nbsp;&nbsp;&nbsp; - <font color="red"> '' Unknown '' </font> <br>
// header (128 bytes)
byte {64}&nbsp;&nbsp;&nbsp; - <font color="red"> '' Unknown <font color="purple">(all @ symbols - <font color="purple">(byte)</font>64)</font> '' </font> <br>
4 bytes (char) - signature // "IMPM"
<br>
26 bytes (char) - song name // e.g. "Atomica MooZics"
byte {X}&nbsp;&nbsp;&nbsp;&nbsp; - File IDs <br>
1 byte (uint8) - rows per beat
<br>
1 byte (uint8) - rows per measure
byte {1}&nbsp;&nbsp;&nbsp;&nbsp; - 255 <br>  
2 bytes (uint16) - number of sequenced patterns in song
<br>
2 bytes (uint16) - number of instruments in song
<font color="blue"> ''' // for each file ''' </font> <br>
2 bytes (uint16) - number of samples in song
: uint32 {4}&nbsp;&nbsp; - File Offset <br>
2 bytes (uint16) - number of patterns in song
<br>
2 bytes (uint16) - tracker ID  // e.g. 0x17 0x02
<font color="blue"> ''' // at each file offset ''' </font> <br>
2 bytes (uint16) - tracker compatibility  // e.g. 0x00 0x02
: char {4}&nbsp;&nbsp;&nbsp;&nbsp; - Type/Extension <font color="purple">(IMPS, IMPI, etc)</font> <br>
2 bytes (uint16) - flags
: byte {X}&nbsp;&nbsp;&nbsp;&nbsp; - File Data <br>
2 bytes (uint16) - special
<br>
 
: <font color="blue"> ''' // Type IMPS - File Entry ''' </font> <br>
 
:: char {X}&nbsp;&nbsp;&nbsp;&nbsp; - Filename <br>
// TODO
:: byte {1}&nbsp;&nbsp;&nbsp;&nbsp; - null Filename Terminator <br>
</pre>
:: uint32 {4}&nbsp;&nbsp; - <font color="red"> '' Unknown '' </font> <br>
</div>
:: byte {26}&nbsp;&nbsp;&nbsp; - File Description <br>
 
:: uint16 {2}&nbsp;&nbsp; - <font color="red"> '' Compressed True/False <font color="purple">(1/0)</font>? '' </font> <br>  
=== Notes and Comments ===
:: uint32 {4}&nbsp;&nbsp; - Compressed File Size <br>
 
:: uint64 {8}&nbsp;&nbsp; - null <br>
* Several chunk types are supported:
:: uint32 {4}&nbsp;&nbsp; - <font color="red"> '' Decompressed File Size? '' </font> <br>
** '''PNAM''' - pattern names
:: uint64 {8}&nbsp;&nbsp; - null <br>
** '''IMPI''' - instrument code
:: uint32 {4}&nbsp;&nbsp; - File Offset <br>
** '''IMPS''' - unknown
:: byte {6}&nbsp;&nbsp;&nbsp;&nbsp; - null <br>
** '''CNAN''' - channel names
<br>
: <font color="blue"> ''' // TYPE IMPI - Unknown (file?){ ''' </font> <br>
:: byte {X}&nbsp;&nbsp;&nbsp;&nbsp; - <font color="red"> '' Unknown '' </font> <br>
:: <font color="blue"> ''' } ''' </font> <br>
<br>
</b></tt>


=== Games ===  
=== Games ===  
List of games using this file format:
List of games using this file format:
* Action Fist! (PC) (*.IT)
* Atomica Deluxe (PC) (*.IT)
* Atomica Deluxe (PC) (*.IT)
* Deux Ex
* Grid Wars
* Jazz Jackrabbit 2 (PC) (*.IT)
* Jazz Jackrabbit 2 (PC) (*.IT)
* Pocket Tanks
* South Park Rally (PC) (*.IT)
* Unreal
* Unreal Tournament


=== QuickBMS Script ===  
=== QuickBMS Script ===  
Line 57: Line 58:
* OpenMPT
* OpenMPT
* VLC Media Player
* VLC Media Player
* XMPlay
=== See Also ===
* [https://www.wikiwand.com/en/Impulse_Tracker Impulse Tracker (Wikiwand)]
* [https://fileformats.fandom.com/wiki/Impulse_tracker Impulse Tracker (fileformats.fandom.com)]
* [https://github.com/herrnst/impulsetracker Impulse Tracker source code (Github)]
* [https://wiki.openmpt.org/Manual:_Module_formats OpenMPT file formats]
<br><br>
<br><br>


Latest revision as of 08:16, 11 June 2023

IT

  • Format Type : Audio
  • Endian Order : Little Endian
  • Signature : IMPM


Format Specifications

// header (128 bytes)
4 bytes (char) - signature // "IMPM"
26 bytes (char) - song name // e.g. "Atomica MooZics"
1 byte (uint8) - rows per beat
1 byte (uint8) - rows per measure
2 bytes (uint16) - number of sequenced patterns in song
2 bytes (uint16) - number of instruments in song
2 bytes (uint16) - number of samples in song
2 bytes (uint16) - number of patterns in song
2 bytes (uint16) - tracker ID  // e.g. 0x17 0x02
2 bytes (uint16) - tracker compatibility  // e.g. 0x00 0x02
2 bytes (uint16) - flags
2 bytes (uint16) - special


// TODO

Notes and Comments

  • Several chunk types are supported:
    • PNAM - pattern names
    • IMPI - instrument code
    • IMPS - unknown
    • CNAN - channel names

Games

List of games using this file format:

  • Action Fist! (PC) (*.IT)
  • Atomica Deluxe (PC) (*.IT)
  • Deux Ex
  • Grid Wars
  • Jazz Jackrabbit 2 (PC) (*.IT)
  • Pocket Tanks
  • South Park Rally (PC) (*.IT)
  • Unreal
  • Unreal Tournament

QuickBMS Script

Not written yet.

Compatible Programs

  • Impulse Tracker
  • OpenMPT
  • VLC Media Player
  • XMPlay

See Also



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