ZCI - Revision history

Jsummers at 15:55, 29 January 2023

2023-01-29T15:55:21Z

Foxtrot: Changed subcat to archiving

2023-01-04T00:05:33Z

Changed subcat to archiving

Foxtrot at 23:59, 3 January 2023

2023-01-03T23:59:43Z

Foxtrot: /* Specification */

2023-01-03T23:55:24Z

‎Specification

Foxtrot: /* Specification */

2023-01-03T17:12:23Z

‎Specification

Foxtrot: /* Specification */

2023-01-03T17:12:15Z

‎Specification

Foxtrot: Clarification

2023-01-03T17:09:46Z

Clarification

Foxtrot: /* Specification */

2023-01-03T17:08:52Z

‎Specification

Foxtrot: Partial file spec

2023-01-03T17:07:23Z

Partial file spec

Jsummers: Created page with "{{FormatInfo |formattype=electronic |subcat=Video |extensions={{ext|zci}} |released=≤1994 }} '''.ZCI''' is a multimedia-related aggregate format that was mainly used on educ..."

2022-12-29T17:03:59Z

Created page with "{{FormatInfo |formattype=electronic |subcat=Video |extensions={{ext|zci}} |released=≤1994 }} '''.ZCI''' is a multimedia-related aggregate format that was mainly used on educ..."

New page

{{FormatInfo
|formattype=electronic
|subcat=Video
|extensions={{ext|zci}}
|released=≤1994
}}
'''.ZCI''' is a multimedia-related aggregate format that was mainly used on educational CD-ROMs by Zane Publishing. It is sometimes called '''PowerCD Multimedia''' format.

''[More research is needed to understand the nature of this format.]''

== Identification ==
Files are observed to start wih ASCII "{{magic|CRRW}}".

== Sample files ==
* Examples of CDs containing ZCI files: [https://archive.org/details/zane-home-library], [https://archive.org/details/zane-home-library-shakespeares-theater], [https://archive.org/details/ZaneHomeLibraryBiologicalSciencesBotany]

== Links ==
* [https://fileinfo.com/extension/zci .zci info from FileInfo.com]

[[Category:Presentation]]
[[Category:Education]]

← Older revision		Revision as of 23:59, 3 January 2023
Line 107:		Line 107:

	== Sample files ==		== Sample files ==
		+
		+	On some disks, the same file is provided for both Mac and PC use, however these files appear identication.
		+
	* Examples of CDs containing ZCI files: [https://archive.org/details/zane-home-library], [https://archive.org/details/zane-home-library-shakespeares-theater], [https://archive.org/details/ZaneHomeLibraryBiologicalSciencesBotany]		* Examples of CDs containing ZCI files: [https://archive.org/details/zane-home-library], [https://archive.org/details/zane-home-library-shakespeares-theater], [https://archive.org/details/ZaneHomeLibraryBiologicalSciencesBotany]

@@ Line 35: / Line 35: @@
 * ''unk5'' (<code>unsigned int</code>)
-Entry data appears to be in a custom format (as noted by the extension not matching the data). Assumed the entries are compressed. Entries often being with the magic bytes <code>CRCW</code>.
+Entry notes:
 == Extract ==

@@ Line 29: / Line 29: @@
 * File name (8.3 format, null-padded)
-* ''unk2'' (<code>byte<code>, often zero)
+* ''unk2'' (<code>byte</code>, often zero)
 * ''unk3'' (<code>unsigned int</code>)
 * File size (<code>unsigned int</code>)

@@ Line 29: / Line 29: @@
 * File name (8.3 format, null-padded)
-* ''unk2'' (<code>unsigned int</code>)
+* ''unk2'' (<code>byte<code>, often zero)
 * ''unk3'' (<code>unsigned int</code>)
 * File size (<code>unsigned int</code>)

@@ Line 22: / Line 22: @@
 The '''Table of contents''' appears at the end of the file and has entries in the format:
-* File name (8.3 format, null encoded)
+* File name (8.3 format, null-padded)
 * ''unk1'' (<code>unsigned int</code>)
 * Offset (<code>unsigned int</code>)
@@ Line 28: / Line 28: @@
 Each entry's offset refers to another structure within the file with the following format:
-* File name (8.3 format, null encoded)
+* File name (8.3 format, null-padded)
 * ''unk2'' (<code>unsigned int</code>)
 * ''unk3'' (<code>unsigned int</code>)

@@ Line 6: / Line 6: @@
 }}
 '''.ZCI''' is a multimedia-related aggregate format that was mainly used on educational CD-ROMs by Zane Publishing. It is sometimes called '''PowerCD Multimedia''' format.
 ''[More research is needed to understand the nature of this format.]''
@@ Line 107: / Line 109: @@
 == Sample files ==
 * Examples of CDs containing ZCI files: [https://archive.org/details/zane-home-library], [https://archive.org/details/zane-home-library-shakespeares-theater], [https://archive.org/details/ZaneHomeLibraryBiologicalSciencesBotany]

@@ Line 1: / Line 1: @@
 {{FormatInfo
 |formattype=electronic
-|subcat=Video
+|subcat=Archiving
 |extensions={{ext|zci}}
 |released=≤1994

@@ Line 13: / Line 13: @@
 A partial specification of the format is below:
-The format contains three sections
+* Files start with ASCII "{{magic|CRRW}}".
+* Unknown, likely a version (<code>unsigned int</code>)
-* Files are start with ASCII "{{magic|CRRW}}".
-* Version? (<code>unsigned int</code>)
 * Table of contents offset (<code>unsigned int</code>)
 * File count (<code>unsigned int</code>)
-The purpose of the bytes between 16-2096 is unknown. It appears to include file offsets references, but often skip files or contains sequences low values (i.e. 0, 1, 2, 3).
+The purpose of the bytes between 16-2096 is unknown. It includes file offsets, but often skips files or contains sequences with low values. File data appears to always begin at an offset of 2096.
 The '''Table of contents''' appears at the end of the file and has entries in the format:

@@ Line 9: / Line 9: @@
 ''[More research is needed to understand the nature of this format.]''
-== Identification ==
+== Specification ==
-Files are observed to start wih ASCII "{{magic|CRRW}}".
 == Sample files ==