PRC (Palm OS) - Revision history

Dexvertbot: Change telparia.com samples link to template

2023-12-28T02:55:10Z

Change telparia.com samples link to template

2022-03-14T04:07:36Z

‎Sample files

2022-01-14T19:22:57Z

Category:Palm OS Database

2019-06-10T16:19:59Z

2019-06-10T16:18:54Z

2018-02-22T15:10:07Z

2017-10-16T16:01:16Z

‎Links

2017-10-16T15:57:25Z

‎Sample files

2017-09-22T11:47:15Z

‎Sample files

2017-09-16T18:08:49Z

‎Identification

@@ Line 24: / Line 24: @@
 * http://cd.textfiles.com/hhot/PALMP~13/ ...
 * [https://archive.org/details/PDA_Essentials_Issue_27_Highbury_Entertainment PDA Essentials (Issue 27)] → contents/Palm/... - CD image from archive.org; may have newer files than the above collections
-* https://telparia.com/fileFormatSamples/archive/palmResource/
+* {{DexvertSamples|archive/palmResource}}
 == Links ==

@@ Line 24: / Line 24: @@
 * http://cd.textfiles.com/hhot/PALMP~13/ ...
 * [https://archive.org/details/PDA_Essentials_Issue_27_Highbury_Entertainment PDA Essentials (Issue 27)] → contents/Palm/... - CD image from archive.org; may have newer files than the above collections
 == Links ==

@@ Line 34: / Line 34: @@
 [[Category:Palm]]
 [[Category:Personal Digital Assistant formats]]
 [[Category:Resources]]

@@ Line 3: / Line 3: @@
 |subcat=Executables
 |extensions={{ext|prc}}, {{ext|pdb}}
 |mimetypes={{mimetype|application/vnd.palm}}
 }}

@@ Line 3: / Line 3: @@
 |subcat=Executables
 |extensions={{ext|prc}}, {{ext|pdb}}
 |mimetypes={{mimetype|application/vnd.palm}}
 }}

@@ Line 5: / Line 5: @@
 |mimetypes={{mimetype|application/vnd.palm}}
 }}
-'''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'''.
-It is very similar to [[Palm OS Database|PDB]], but it is not the same format. For example, the resource records that follow the header are 10 bytes each, while for PDB they are 8 bytes each.
+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 ==

@@ Line 22: / Line 22: @@
 * http://cd.textfiles.com/pdasoftware/PILOT/ ...
 * http://cd.textfiles.com/palmpilotc/ ... (inside many of the [[self-extracting ZIP]] files)
 == Links ==

@@ Line 17: / Line 17: @@
 In many PRC files, ASCII characters "{{magic|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 [[Palm OS Database|PDB]] can usually be distinguished by the byte at offset 78. For PRC, it is a printable ASCII character. For PDB, it should be a very small number, virtually always 0.
+A few PRC files even have a '''.pdb''' file extension. PRC and [[Palm OS Database|PDB]] can be distinguished by the byte at offset 33, which has its low bit set for PRC, and unset for PDB.
 == Sample files ==