PRC (Palm OS)
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| − | '''PRC''' is an archive-like file format associated with Palm OS. It stores executable code, and/or resource data. | + | '''PRC''' is an archive-like file format associated with Palm OS. It usually stores executable code, and/or resource data. |
PRC probably stands for '''Palm Resource''', though it is sometimes said to stand for '''Palm Resource Code''', or '''Palm Resource Compiler'''. | PRC probably stands for '''Palm Resource''', though it is sometimes said to stand for '''Palm Resource Code''', or '''Palm Resource Compiler'''. | ||
| − | It is very similar to [[Palm OS Database|PDB]], | + | It is very similar to [[Palm OS Database|PDB]], and is sometimes considered to be a subtype of PDB. The main difference is that the resource records have a different format and size. |
== Disambiguation == | == Disambiguation == | ||
Revision as of 15:10, 22 February 2018
PRC is an archive-like file format associated with Palm OS. It usually stores executable code, and/or resource data.
PRC probably stands for Palm Resource, though it is sometimes said to stand for Palm Resource Code, or Palm Resource Compiler.
It is very similar to PDB, and is sometimes considered to be a subtype of PDB. The main difference is that the resource records have a different format and size.
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Disambiguation
The term "PRC" is also associated with PalmDOC and related formats, though PalmDOC is a PDB format, not a PRC format.
Identification
In many PRC files, ASCII characters "appl" appear at offset 60. But when they don't, it is not easy to identify a PRC file by its contents.
A few PRC files even have a .pdb file extension. PRC and PDB can be distinguished by the byte at offset 33, which has its low bit set for PRC, and unset for PDB.
Sample files
- http://cd.textfiles.com/pdasoftware/PILOT/ ...
- http://cd.textfiles.com/palmpilotc/ ... (inside many of the self-extracting ZIP files)
- http://cd.textfiles.com/hhot/PALMP~13/ ...
- PDA Essentials (Issue 27) → contents/Palm/... - CD image from archive.org; may have newer files than the above collections
Links
- PRC (MobileRead Wiki)
- The PRC Format
- Wikipedia: PRC (Palm OS)
- Palm File Format Specs
- prc-tools
- Deark can extract the individual resources
