Format
XLD4 (Graphic Data Document)
Summary
- Name
- XLD4 (Graphic Data Document)
- Identifiers
- PUID: fmt/1448
- Format type
- Image (Raster)
- Description
- XLD4 is a raster graphics format, sometimes known as Q4 file, associated with PC-98 a lineup of 16 and 32 bit computers manufactured by NEC in Japan. Each image consists of two separate files, one with a q4 extension and another with a q4d extension. The q4 file contains the bitmap image and the q4d the text description. In PRONOM these have been given two separate PUIDs.
- Note
- http://fileformats.archiveteam.org/wiki/XLD4
- File extensions
-
q4d - Source
- The National Archives and Records Administration / The National Archives and Records Administration
Internal signatures
XLD4 (Graphic Data Document)
- Note
- BOF: Magic bytes ASCII string ‘===============>>>>> XLD4 GRAPHIC DATA DOCUMENT <<<<<===============’
Byte sequences
- Min Frag Length
- Absolute from BOF
- Offset
- 0
- Max offset
- 0
- Byte Sequence
3D3D3D3D3D3D3D3D3D3D3D3D3D3D3D3E3E3E3E3E20584C4434204752415048494320444154412020444F43554D454E54203C3C3C3C3C3D3D3D3D3D3D3D3D3D3D3D3D3D3D3D- Endianness
- None
Changelog
-
Added in V98
- Release date
- 27 October 2021
XLD4 (Graphic Data Document): Signature developed and samples provided by The National Archives and Records Administration.
XLD4 (Graphic Data Document): Full entry added. Submitted by The National Archives and Records Administration.