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		<title>Logisim - Revision history</title>
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		<updated>2026-04-22T20:22:05Z</updated>
		<subtitle>Revision history for this page on the wiki</subtitle>
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		<id>http://fileformats.archiveteam.org/index.php?title=Logisim&amp;diff=34941&amp;oldid=prev</id>
		<title>Effect2: Created page with &quot;{{FormatInfo |formattype=electronic |subcat=Education |extensions={{ext|circ}} |released=2005&lt;ref&gt;https://sourceforge.net/projects/circuit/files/2.0%20Betas/2.0%20Beta%2017/ a...&quot;</title>
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				<updated>2020-02-24T09:03:51Z</updated>
		
		<summary type="html">&lt;p&gt;Created page with &amp;quot;{{FormatInfo |formattype=electronic |subcat=Education |extensions={{ext|circ}} |released=2005&amp;lt;ref&amp;gt;https://sourceforge.net/projects/circuit/files/2.0%20Betas/2.0%20Beta%2017/ a...&amp;quot;&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;{{FormatInfo&lt;br /&gt;
|formattype=electronic&lt;br /&gt;
|subcat=Education&lt;br /&gt;
|extensions={{ext|circ}}&lt;br /&gt;
|released=2005&amp;lt;ref&amp;gt;https://sourceforge.net/projects/circuit/files/2.0%20Betas/2.0%20Beta%2017/ and https://web.archive.org/web/20051026201925/http://ozark.hendrix.edu/~burch/logisim/ are the earliest release in SourceForge and the earliest capture in the Wayback Machine, respectively&amp;lt;/ref&amp;gt;&lt;br /&gt;
}}&lt;br /&gt;
'''Logisim''' is an educational program written by Carl Burch that allows for creation and testing of logic circuits. Its project format is an [[XML]]-based format with the extension &amp;quot;.circ&amp;quot;. Some project files may have references to others; if the reference cannot be resolved automatically, Logisim prompts the user to select the file referred to.&lt;br /&gt;
&lt;br /&gt;
Development was stopped on the original version of Logisim in 2014.&amp;lt;ref&amp;gt;https://web.archive.org/web/20141012133538/http://www.cburch.com/logisim/retire-note.html&amp;lt;/ref&amp;gt; Following this, a group of Swiss schools has continued to add features to a fork called &amp;quot;Logisim-Evolution&amp;quot;, which shares most of its format with the original Logisim, although apparently due to the addition of &amp;quot;a parser that alters the name of the components to satisfy VHDL requirements for variable names&amp;quot;, there are some problems with backwards compatibility&amp;lt;ref&amp;gt;https://github.com/reds-heig/logisim-evolution#user-content-retro-compatibility&amp;lt;/ref&amp;gt;.&lt;br /&gt;
&lt;br /&gt;
== Identification ==&lt;br /&gt;
The root element has the tag name &amp;quot;project&amp;quot;. The next line after that will be the text &amp;quot;This file is intended to be loaded by Logisim (http://www.cburch.com/logisim/).&amp;quot;, or &amp;quot;This file is intended to be loaded by Logisim-evolution (https://github.com/reds-heig/logisim-evolution).&amp;quot;, in the case of Logisim-Evolution.&lt;br /&gt;
&lt;br /&gt;
== Software ==&lt;br /&gt;
* [https://sourceforge.net/projects/circuit/ Sourceforge page of original]&lt;br /&gt;
* [https://sourceforge.net/projects/logisimevolution/files/ Sourceforge page of Logisim-Evolution] (Not in use since 2015)&lt;br /&gt;
* [https://github.com/reds-heig/logisim-evolution Github page of Logisim-Evolution]&lt;br /&gt;
&lt;br /&gt;
== Links ==&lt;br /&gt;
* [http://www.cburch.com/logisim/ Website of original]&lt;br /&gt;
* [https://circuitverse.org/ Circuitverse]: Essentially a reimplementation in Javascript, not compatible format-wise&lt;br /&gt;
* [[Wikipedia:Logisim]]&lt;br /&gt;
&lt;br /&gt;
== References ==&lt;br /&gt;
&amp;lt;references /&amp;gt;&lt;br /&gt;
&lt;br /&gt;
[[Category:XML based file formats]]&lt;/div&gt;</summary>
		<author><name>Effect2</name></author>	</entry>

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