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		<id>https://temlib.org/AtariForumWiki2018/index.php?action=history&amp;feed=atom&amp;title=STAD_file_format</id>
		<title>STAD file format - Revision history</title>
		<link rel="self" type="application/atom+xml" href="https://temlib.org/AtariForumWiki2018/index.php?action=history&amp;feed=atom&amp;title=STAD_file_format"/>
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		<updated>2026-10-19T00:05:11Z</updated>
		<subtitle>Revision history for this page on the wiki</subtitle>
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	<entry>
		<id>https://temlib.org/AtariForumWiki2018/index.php?title=STAD_file_format&amp;diff=8255&amp;oldid=prev</id>
		<title>AtariWikiSysop: 1 revision imported</title>
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				<updated>2018-06-03T23:13:02Z</updated>
		
		<summary type="html">&lt;p&gt;1 revision imported&lt;/p&gt;
&lt;table class=&quot;diff diff-contentalign-left&quot; data-mw=&quot;interface&quot;&gt;
				&lt;tr style=&quot;vertical-align: top;&quot; lang=&quot;en&quot;&gt;
				&lt;td colspan=&quot;1&quot; style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;1&quot; style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;Revision as of 23:13, 3 June 2018&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; style=&quot;text-align: center;&quot; lang=&quot;en&quot;&gt;&lt;div class=&quot;mw-diff-empty&quot;&gt;(No difference)&lt;/div&gt;
&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;</summary>
		<author><name>AtariWikiSysop</name></author>	</entry>

	<entry>
		<id>https://temlib.org/AtariForumWiki2018/index.php?title=STAD_file_format&amp;diff=8254&amp;oldid=prev</id>
		<title>Lp: New page</title>
		<link rel="alternate" type="text/html" href="https://temlib.org/AtariForumWiki2018/index.php?title=STAD_file_format&amp;diff=8254&amp;oldid=prev"/>
				<updated>2017-01-03T00:16:15Z</updated>
		
		<summary type="html">&lt;p&gt;New page&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;&amp;lt;pre&amp;gt;&lt;br /&gt;
STAD            *.PAC (high resolution only)&lt;br /&gt;
&lt;br /&gt;
4 bytes         &amp;quot;pM86&amp;quot; (vertically packed) or &amp;quot;pM85&amp;quot; (horizontally packed)&lt;br /&gt;
1 byte          id byte&lt;br /&gt;
1 byte          pack byte (most frequently occurring byte in bitmap)&lt;br /&gt;
1 byte          &amp;quot;special&amp;quot; byte&lt;br /&gt;
-------&lt;br /&gt;
7 bytes         total for header&lt;br /&gt;
&lt;br /&gt;
? bytes         data&lt;br /&gt;
&lt;br /&gt;
The data is encoded as follows.  For each byte x in the data section:&lt;br /&gt;
&lt;br /&gt;
        x = id byte             Read one more byte, n.  Use pack byte &lt;br /&gt;
                                n + 1 times.&lt;br /&gt;
        x = &amp;quot;special&amp;quot; byte      Read two more bytes, d, and n (in order).&lt;br /&gt;
                                Use byte d n + 1 times.&lt;br /&gt;
        otherwise               Use byte x literally.&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
Back to [[ST Picture Formats]]&lt;/div&gt;</summary>
		<author><name>Lp</name></author>	</entry>

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