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		<id>https://temlib.org/AtariForumWiki2018/index.php?action=history&amp;feed=atom&amp;title=Line_A</id>
		<title>Line A - Revision history</title>
		<link rel="self" type="application/atom+xml" href="https://temlib.org/AtariForumWiki2018/index.php?action=history&amp;feed=atom&amp;title=Line_A"/>
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		<updated>2026-10-19T17:25:02Z</updated>
		<subtitle>Revision history for this page on the wiki</subtitle>
		<generator>MediaWiki 1.30.0</generator>

	<entry>
		<id>https://temlib.org/AtariForumWiki2018/index.php?title=Line_A&amp;diff=5780&amp;oldid=prev</id>
		<title>AtariWikiSysop: 6 revisions imported</title>
		<link rel="alternate" type="text/html" href="https://temlib.org/AtariForumWiki2018/index.php?title=Line_A&amp;diff=5780&amp;oldid=prev"/>
				<updated>2018-06-03T23:00:17Z</updated>
		
		<summary type="html">&lt;p&gt;6 revisions 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 23:00, 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=Line_A&amp;diff=5779&amp;oldid=prev</id>
		<title>Wongck: /* Introduction */</title>
		<link rel="alternate" type="text/html" href="https://temlib.org/AtariForumWiki2018/index.php?title=Line_A&amp;diff=5779&amp;oldid=prev"/>
				<updated>2011-11-29T13:15:45Z</updated>
		
		<summary type="html">&lt;p&gt;‎&lt;span dir=&quot;auto&quot;&gt;&lt;span class=&quot;autocomment&quot;&gt;Introduction&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;
&lt;table class=&quot;diff diff-contentalign-left&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr style=&quot;vertical-align: top;&quot; lang=&quot;en&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;Revision as of 13:15, 29 November 2011&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l1&quot; &gt;Line 1:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 1:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;==Introduction==&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;==Introduction==&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;In order to provide ''quick-and-dirty'' access to the [[Assembly language|assembler-level]] graphics routines, [[Atari]] engineers have set up the [[MC68000]]'s '''Line A''' [[exception]] as an interface to several useful routines. The Line A interface is faster than going through [[GEM]]'s [[VDI]] and has some extra features. Also, Line A calls require less application &amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;In order to provide ''quick-and-dirty'' access to the [[Assembly language|assembler-level]] graphics routines, [[Atari]] engineers have set up the [[&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;CPU|&lt;/ins&gt;MC68000]]'s '''Line A''' [[exception]] as an interface to several useful routines. The Line A interface is faster than going through [[GEM]]'s [[VDI]] and has some extra features. Also, Line A calls require less application &amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;code than their VDI counterparts. Of course, Line A does not replace the VDI completely, but if an application only needs a few primitive graphics functions (and wants maximum performance), then Line A is sufficient and optimal.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;code than their VDI counterparts. Of course, Line A does not replace the VDI completely, but if an application only needs a few primitive graphics functions (and wants maximum performance), then Line A is sufficient and optimal.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Wongck</name></author>	</entry>

	<entry>
		<id>https://temlib.org/AtariForumWiki2018/index.php?title=Line_A&amp;diff=5778&amp;oldid=prev</id>
		<title>Rb at 00:19, 15 October 2006</title>
		<link rel="alternate" type="text/html" href="https://temlib.org/AtariForumWiki2018/index.php?title=Line_A&amp;diff=5778&amp;oldid=prev"/>
				<updated>2006-10-15T00:19:22Z</updated>
		
		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;a href=&quot;https://temlib.org/AtariForumWiki2018/index.php?title=Line_A&amp;amp;diff=5778&amp;amp;oldid=5777&quot;&gt;Show changes&lt;/a&gt;</summary>
		<author><name>Rb</name></author>	</entry>

	<entry>
		<id>https://temlib.org/AtariForumWiki2018/index.php?title=Line_A&amp;diff=5777&amp;oldid=prev</id>
		<title>Zorro 2 at 09:17, 13 September 2006</title>
		<link rel="alternate" type="text/html" href="https://temlib.org/AtariForumWiki2018/index.php?title=Line_A&amp;diff=5777&amp;oldid=prev"/>
				<updated>2006-09-13T09:17:22Z</updated>
		
		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table class=&quot;diff diff-contentalign-left&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr style=&quot;vertical-align: top;&quot; lang=&quot;en&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;Revision as of 09:17, 13 September 2006&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l1100&quot; &gt;Line 1,100:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 1,100:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;drawaddr:&amp;#160; &amp;#160; &amp;#160;  ds.l&amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; 1&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;drawaddr:&amp;#160; &amp;#160; &amp;#160;  ds.l&amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; 1&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;#160;&amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; end&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;#160;&amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; end&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;lt;/pre&amp;gt;&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;&amp;lt;/pre&amp;gt;&lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;Back to [[Programming]]&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Zorro 2</name></author>	</entry>

	<entry>
		<id>https://temlib.org/AtariForumWiki2018/index.php?title=Line_A&amp;diff=5776&amp;oldid=prev</id>
		<title>Tompee: revert. I'm confused now...</title>
		<link rel="alternate" type="text/html" href="https://temlib.org/AtariForumWiki2018/index.php?title=Line_A&amp;diff=5776&amp;oldid=prev"/>
				<updated>2006-09-12T14:33:06Z</updated>
		
		<summary type="html">&lt;p&gt;revert. I&amp;#039;m confused now...&lt;/p&gt;
&lt;a href=&quot;https://temlib.org/AtariForumWiki2018/index.php?title=Line_A&amp;amp;diff=5776&amp;amp;oldid=5775&quot;&gt;Show changes&lt;/a&gt;</summary>
		<author><name>Tompee</name></author>	</entry>

	<entry>
		<id>https://temlib.org/AtariForumWiki2018/index.php?title=Line_A&amp;diff=5775&amp;oldid=prev</id>
		<title>Tompee: duplication, added redirect. Let's look at what has already been done!</title>
		<link rel="alternate" type="text/html" href="https://temlib.org/AtariForumWiki2018/index.php?title=Line_A&amp;diff=5775&amp;oldid=prev"/>
				<updated>2006-09-12T14:21:14Z</updated>
		
		<summary type="html">&lt;p&gt;duplication, added redirect. Let&amp;#039;s look at what has already been done!&lt;/p&gt;
&lt;a href=&quot;https://temlib.org/AtariForumWiki2018/index.php?title=Line_A&amp;amp;diff=5775&amp;amp;oldid=5774&quot;&gt;Show changes&lt;/a&gt;</summary>
		<author><name>Tompee</name></author>	</entry>

	<entry>
		<id>https://temlib.org/AtariForumWiki2018/index.php?title=Line_A&amp;diff=5774&amp;oldid=prev</id>
		<title>Simonsunnyboy at 17:28, 23 June 2006</title>
		<link rel="alternate" type="text/html" href="https://temlib.org/AtariForumWiki2018/index.php?title=Line_A&amp;diff=5774&amp;oldid=prev"/>
				<updated>2006-06-23T17:28:45Z</updated>
		
		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;a href=&quot;https://temlib.org/AtariForumWiki2018/index.php?title=Line_A&amp;amp;diff=5774&quot;&gt;Show changes&lt;/a&gt;</summary>
		<author><name>Simonsunnyboy</name></author>	</entry>

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