Impulse Tracker IT

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:

• 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

• Impulse Tracker (Wikiwand)
• Impulse Tracker (fileformats.fandom.com)
• Impulse Tracker source code (Github)
• OpenMPT file formats