Genus Graphics Library

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{{FormatInfo
 
{{FormatInfo
|name=genusgraphicslibrary
+
|name=Genus Graphics Library
 
|formattype=electronic
 
|formattype=electronic
 
|subcat=Archiving
 
|subcat=Archiving
|extensions={{ext|gx}}, {{ext|gxl}}
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|extensions={{ext|gx}}, {{ext|gxl}}, others
 
}}
 
}}
'''Genus Graphics Library''' is an archive format created by Genus Microprogramming Inc.
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'''Genus Graphics Library''' (sometimes called '''GXLib''', or similar) is an archive format created by Genus Microprogramming Inc.
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See also [[PCX Library]].
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== Format details ==
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The format allows for the possibility of compression, but it's not clear if any standard compression methods have ever been defined.
  
 
== Identification ==
 
== Identification ==
Files begin with "{{magic|0x01CA Copyright (c) Genus Microprogramming, Inc. 1988-90}}".
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Files begin with bytes {{magic|0x01 0xca}}, and have {{magic|64 00}} at offset 52.
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The two-byte integer at offset 94 is the number of archive members. If it is nonzero, then the byte at offset 128 is the compression method of the first member, which is normally 0.
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There's a copyright string at offset 2 that usually, but not always, starts with "{{magic|Copyright (c) Genus Microprogramming, Inc. 1988}}".
  
 
== Software ==
 
== Software ==
 
* [http://www.ctpax-x.org/?goto=files&show=104 unpcxgx]
 
* [http://www.ctpax-x.org/?goto=files&show=104 unpcxgx]
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* {{Deark}}
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== Sample files ==
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* {{DexvertSamples|archive/gxlib}}
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* Examples of files with a different copyright string:
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** {{CdTextfiles|nightowl/nopv06/002A/AQUEST1.ZIP|AQUEST1.ZIP}} → *.GGL
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** {{CdTextfiles|nightowl/pdsi006/001A/EGAPITD3.ZIP|EGAPITD3.ZIP}} → *.EGA
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* {{CdTextfiles|simtel/stmsdos9709/disk1/DISC1/EDUCATE/QWIZTEST.ZIP|QWIZTEST.ZIP}} → GVI.CMP and some other files - Needs investigation. Apparently an incompatible variant of this format.
  
 
== Links ==
 
== Links ==
* http://www.shikadi.net/moddingwiki/PCX_Library#GX_Library_format
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* [https://moddingwiki.shikadi.net/wiki/GX_Library GX Library, at ModdingWiki]
  
== Sample files ==
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[[Category:Graphics]]
* https://telparia.com/fileFormatSamples/archive/KLONDIKE.GX
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[[Category:Game data files]]

Latest revision as of 16:43, 1 August 2025

File Format
Name Genus Graphics Library
Ontology
Extension(s) .gx, .gxl, others

Genus Graphics Library (sometimes called GXLib, or similar) is an archive format created by Genus Microprogramming Inc.

See also PCX Library.

Contents

 [hide

[edit] Format details

The format allows for the possibility of compression, but it's not clear if any standard compression methods have ever been defined.

[edit] Identification

Files begin with bytes 0x01 0xca, and have 64 00 at offset 52.

The two-byte integer at offset 94 is the number of archive members. If it is nonzero, then the byte at offset 128 is the compression method of the first member, which is normally 0.

There's a copyright string at offset 2 that usually, but not always, starts with "Copyright (c) Genus Microprogramming, Inc. 1988".

[edit] Software

[edit] Sample files

  • QWIZTEST.ZIP → GVI.CMP and some other files - Needs investigation. Apparently an incompatible variant of this format.

[edit] Links

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