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		<id>https://temlib.org/AtariForumWiki2018/index.php?action=history&amp;feed=atom&amp;title=DMA_%26_SCSI</id>
		<title>DMA &amp; SCSI - Revision history</title>
		<link rel="self" type="application/atom+xml" href="https://temlib.org/AtariForumWiki2018/index.php?action=history&amp;feed=atom&amp;title=DMA_%26_SCSI"/>
		<link rel="alternate" type="text/html" href="https://temlib.org/AtariForumWiki2018/index.php?title=DMA_%26_SCSI&amp;action=history"/>
		<updated>2026-10-19T03:00:24Z</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=DMA_%26_SCSI&amp;diff=3079&amp;oldid=prev</id>
		<title>AtariWikiSysop: 4 revisions imported</title>
		<link rel="alternate" type="text/html" href="https://temlib.org/AtariForumWiki2018/index.php?title=DMA_%26_SCSI&amp;diff=3079&amp;oldid=prev"/>
				<updated>2018-06-03T22:51:49Z</updated>
		
		<summary type="html">&lt;p&gt;4 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 22:51, 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=DMA_%26_SCSI&amp;diff=3078&amp;oldid=prev</id>
		<title>Wongck at 03:53, 19 February 2012</title>
		<link rel="alternate" type="text/html" href="https://temlib.org/AtariForumWiki2018/index.php?title=DMA_%26_SCSI&amp;diff=3078&amp;oldid=prev"/>
				<updated>2012-02-19T03:53:31Z</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 03:53, 19 February 2012&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-l53&quot; &gt;Line 53:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 53:&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;lt;br /&amp;gt;&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;lt;br /&amp;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;div&gt;&amp;lt;br /&amp;gt;&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;lt;br /&amp;gt;&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;br /&amp;gt;&lt;/ins&gt;&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;br /&amp;gt;&lt;/ins&gt;&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;Back to [[Memory Map for Atari ST,STE,TT and Falcon]]&lt;/ins&gt;&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;&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;div&gt;&amp;lt;br /&amp;gt;&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;lt;br /&amp;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;div&gt;[[Category:Storage]][[Category:Memory Address]]&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;[[Category:Storage]][[Category:Memory Address]]&lt;/div&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=DMA_%26_SCSI&amp;diff=3077&amp;oldid=prev</id>
		<title>Wongck at 12:18, 13 October 2011</title>
		<link rel="alternate" type="text/html" href="https://temlib.org/AtariForumWiki2018/index.php?title=DMA_%26_SCSI&amp;diff=3077&amp;oldid=prev"/>
				<updated>2011-10-13T12:18:02Z</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 12:18, 13 October 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-l54&quot; &gt;Line 54:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 54:&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;lt;br /&amp;gt;&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;lt;br /&amp;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;div&gt;&amp;lt;br /&amp;gt;&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;lt;br /&amp;gt;&lt;/div&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;[[Category:Storage]][[Category:&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;Programming&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;[[Category:Storage]][[Category:&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;Memory Address&lt;/ins&gt;]]&lt;/div&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=DMA_%26_SCSI&amp;diff=3076&amp;oldid=prev</id>
		<title>Wongck at 15:36, 10 October 2011</title>
		<link rel="alternate" type="text/html" href="https://temlib.org/AtariForumWiki2018/index.php?title=DMA_%26_SCSI&amp;diff=3076&amp;oldid=prev"/>
				<updated>2011-10-10T15:36:24Z</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 15:36, 10 October 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-l51&quot; &gt;Line 51:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 51:&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;$FFFF878F.B|RW|SCS_RES|Reset Interupts,Parity error,Start DMA-Action&amp;#160; |TT &amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;$FFFF878F.B|RW|SCS_RES|Reset Interupts,Parity error,Start DMA-Action&amp;#160; |TT &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;&amp;lt;/pre&amp;gt;&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;lt;/pre&amp;gt;&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;br /&amp;gt;&lt;/ins&gt;&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;br /&amp;gt;&lt;/ins&gt;&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;br /&amp;gt;&lt;/ins&gt;&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;[[Category:Storage]][[Category:Programming]]&lt;/ins&gt;&lt;/div&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=DMA_%26_SCSI&amp;diff=3075&amp;oldid=prev</id>
		<title>Simonsunnyboy at 17:43, 23 June 2006</title>
		<link rel="alternate" type="text/html" href="https://temlib.org/AtariForumWiki2018/index.php?title=DMA_%26_SCSI&amp;diff=3075&amp;oldid=prev"/>
				<updated>2006-06-23T17:43:34Z</updated>
		
		<summary type="html">&lt;p&gt;&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;
===========#==#=======#===============================================#=====&lt;br /&gt;
----------------------|DMA,WD1772 Disk Controller                     |-----&lt;br /&gt;
===========#==#=======#===============================================#=====&lt;br /&gt;
$FFFF8604.W|RW|WDC_SEC|FDC/HDC Access/Sector Count                    |&lt;br /&gt;
$FFFF8606.W|R-|WDC_DMA|DMA Status                  %________ _____DSE |&lt;br /&gt;
           |  |       | Data request condition--------------------+|| |&lt;br /&gt;
           |  |       | Sector count 0:zero,1:not zero-------------+| |&lt;br /&gt;
           |  |       | DMA 0:no error,1:error----------------------+ |&lt;br /&gt;
           |-W|       |DMA Mode                    %_______W FD_SHAA_ |&lt;br /&gt;
           |  |       | 0:read,1:write---------------------+ || ||||  |&lt;br /&gt;
           |  |       | 0:HDC,1:FDC access-------------------+| ||||  |&lt;br /&gt;
           |  |       | DMA 0:on,1:off------------------------+ ||||  |&lt;br /&gt;
           |  |       | 0:FDC/HDC register 1:sector count-------+|||  |&lt;br /&gt;
           |  |       | 0:FDC,1:HDC access-----------------------+||  |&lt;br /&gt;
           |  |       | A1/A0 pin 0:low,1:high--------------------++  |&lt;br /&gt;
$FFFF8609.B|RW|WDC_BSH|DMA Base and Counter Hi                        |&lt;br /&gt;
$FFFF860B.B|RW|WDC_BSM|DMA Base and Counter Mi                        |&lt;br /&gt;
$FFFF860D.B|RW|WDC_BSL|DMA Base and Counter Lo                        |&lt;br /&gt;
$FFFF860E.B|RW|WDC_BSL|Frequency and Density control        %______FD |STE,F&lt;br /&gt;
           |  |       |Frequency 0:8MHz,1:16MHz--------------------+| |&lt;br /&gt;
           |  |       |Density 0:DD,1:HD----------------------------+ |&lt;br /&gt;
===========#==#=======#===============================================#=====&lt;br /&gt;
----------------------|DMA SCSI                                       |-----&lt;br /&gt;
===========#==#=======#===============================================#=====&lt;br /&gt;
$FFFF8701.B|RW|SCS_DA0|DMA Address Pointer (Highest byte)             |TT &lt;br /&gt;
$FFFF8703.B|RW|SCS_DA1|DMA Address Pointer (High byte)                |TT &lt;br /&gt;
$FFFF8705.B|RW|SCS_DA2|DMA Address Pointer (Low byte)                 |TT &lt;br /&gt;
$FFFF8707.B|RW|SCS_DA3|DMA Address Pointer (Lowest byte)              |TT &lt;br /&gt;
$FFFF8709.B|RW|SCS_BC0|DMA Byte Counter (Highest byte)                |TT &lt;br /&gt;
$FFFF870B.B|RW|SCS_BC1|DMA Byte Counter (High byte)                   |TT &lt;br /&gt;
$FFFF870D.B|RW|SCS_BC2|DMA Byte Counter (Low byte)                    |TT &lt;br /&gt;
$FFFF870F.B|RW|SCS_BC3|DMA Byte Counter (Lowest byte)                 |TT &lt;br /&gt;
$FFFF8710.W|Rw|SCS_DA0|Rest data (High Word)                          |TT &lt;br /&gt;
$FFFF8712.W|Rw|SCS_DA0|Rest data (Low Word)                           |TT &lt;br /&gt;
$FFFF8714.W|Rw|SCS_CTL|DMA SCSI Control Register   %________ BZ____DW |TT &lt;br /&gt;
           |  |       | Bus Error 0:no,1:yes-----------------+|    || |TT &lt;br /&gt;
           |  |       | Byte Counter Zero 0:no,1:yes----------+    || |TT &lt;br /&gt;
           |  |       | DMA 0:off,1:on-----------------------------+| |TT &lt;br /&gt;
           |  |       | DMA 0:read,1:write--------------------------+ |TT &lt;br /&gt;
===========#==#=======#===============================================#=====&lt;br /&gt;
----------------------|5380 SCSI Drive Controller                     |-----&lt;br /&gt;
===========#==#=======#===============================================#=====&lt;br /&gt;
$FFFF8781.B|RW|SCS_CDB|Contents of SCSI-Data Buses                    |TT &lt;br /&gt;
$FFFF8783.B|RW|SCS_ICR|Init Command Register                          |TT &lt;br /&gt;
$FFFF8785.B|RW|SCS_TSR|Transfer Start Register                        |TT &lt;br /&gt;
$FFFF8787.B|RW|SCS_TCR|Target Command Register                        |TT &lt;br /&gt;
$FFFF8789.B|RW|SCS_BSR|Bus Status Register                            |TT &lt;br /&gt;
$FFFF878B.B|RW|SCS_DSR|Device Status Register                         |TT &lt;br /&gt;
$FFFF878D.B|RW|SCS_BCD|SCSI-Bus Command Data                          |TT &lt;br /&gt;
$FFFF878F.B|RW|SCS_RES|Reset Interupts,Parity error,Start DMA-Action  |TT &lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;/div&gt;</summary>
		<author><name>Simonsunnyboy</name></author>	</entry>

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