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		<id>http://fileformats.archiveteam.org/index.php?action=history&amp;feed=atom&amp;title=BSS_%28Resident_Evil_1997%29</id>
		<title>BSS (Resident Evil 1997) - Revision history</title>
		<link rel="self" type="application/atom+xml" href="http://fileformats.archiveteam.org/index.php?action=history&amp;feed=atom&amp;title=BSS_%28Resident_Evil_1997%29"/>
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		<updated>2026-05-17T13:31:14Z</updated>
		<subtitle>Revision history for this page on the wiki</subtitle>
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	<entry>
		<id>http://fileformats.archiveteam.org/index.php?title=BSS_(Resident_Evil_1997)&amp;diff=44989&amp;oldid=prev</id>
		<title>Jsummers: Jsummers moved page .BSS (Resident Evil 1997) to BSS (Resident Evil 1997)</title>
		<link rel="alternate" type="text/html" href="http://fileformats.archiveteam.org/index.php?title=BSS_(Resident_Evil_1997)&amp;diff=44989&amp;oldid=prev"/>
				<updated>2023-08-27T16:00:04Z</updated>
		
		<summary type="html">&lt;p&gt;Jsummers moved page &lt;a href=&quot;/wiki/.BSS_(Resident_Evil_1997)&quot; class=&quot;mw-redirect&quot; title=&quot;.BSS (Resident Evil 1997)&quot;&gt;.BSS (Resident Evil 1997)&lt;/a&gt; to &lt;a href=&quot;/wiki/BSS_(Resident_Evil_1997)&quot; title=&quot;BSS (Resident Evil 1997)&quot;&gt;BSS (Resident Evil 1997)&lt;/a&gt;&lt;/p&gt;
&lt;table class='diff diff-contentalign-left'&gt;
			&lt;tr valign='top'&gt;
			&lt;td colspan='1' style=&quot;background-color: white; color:black;&quot;&gt;← Older revision&lt;/td&gt;
			&lt;td colspan='1' style=&quot;background-color: white; color:black;&quot;&gt;Revision as of 16:00, 27 August 2023&lt;/td&gt;
			&lt;/tr&gt;&lt;/table&gt;</summary>
		<author><name>Jsummers</name></author>	</entry>

	<entry>
		<id>http://fileformats.archiveteam.org/index.php?title=BSS_(Resident_Evil_1997)&amp;diff=44927&amp;oldid=prev</id>
		<title>Foxtrot at 14:40, 25 August 2023</title>
		<link rel="alternate" type="text/html" href="http://fileformats.archiveteam.org/index.php?title=BSS_(Resident_Evil_1997)&amp;diff=44927&amp;oldid=prev"/>
				<updated>2023-08-25T14:40:29Z</updated>
		
		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table class='diff diff-contentalign-left'&gt;
				&lt;col class='diff-marker' /&gt;
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			&lt;tr valign='top'&gt;
			&lt;td colspan='2' style=&quot;background-color: white; color:black;&quot;&gt;← Older revision&lt;/td&gt;
			&lt;td colspan='2' style=&quot;background-color: white; color:black;&quot;&gt;Revision as of 14:40, 25 August 2023&lt;/td&gt;
			&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 24:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 24:&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: #eee; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;* [http://www.nobis-crew.org/psxdev/ PSXdev]&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;* [http://www.nobis-crew.org/psxdev/ PSXdev]&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: #eee; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;* [http://www.pcsx.net/files.shtml PCSX emulator source files]&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;* [http://www.pcsx.net/files.shtml PCSX emulator source files]&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;background: #cfc; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;color: red; 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 colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;background: #cfc; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;color: red; font-weight: bold; text-decoration: none;&quot;&gt;[[Category:Resident Evil (1997)]]&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Foxtrot</name></author>	</entry>

	<entry>
		<id>http://fileformats.archiveteam.org/index.php?title=BSS_(Resident_Evil_1997)&amp;diff=44926&amp;oldid=prev</id>
		<title>Foxtrot: Created page with &quot;{{FormatInfo |formattype=electronic |extensions={{ext|bss}} }}  {{Restored|2017-11-08|https://web.archive.org/web/20171108145016/http://rewiki.regengedanken.de/wiki/.BSS}}  Th...&quot;</title>
		<link rel="alternate" type="text/html" href="http://fileformats.archiveteam.org/index.php?title=BSS_(Resident_Evil_1997)&amp;diff=44926&amp;oldid=prev"/>
				<updated>2023-08-25T14:39:51Z</updated>
		
		<summary type="html">&lt;p&gt;Created page with &amp;quot;{{FormatInfo |formattype=electronic |extensions={{ext|bss}} }}  {{Restored|2017-11-08|https://web.archive.org/web/20171108145016/http://rewiki.regengedanken.de/wiki/.BSS}}  Th...&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;
|extensions={{ext|bss}}&lt;br /&gt;
}}&lt;br /&gt;
&lt;br /&gt;
{{Restored|2017-11-08|https://web.archive.org/web/20171108145016/http://rewiki.regengedanken.de/wiki/.BSS}}&lt;br /&gt;
&lt;br /&gt;
The '''.BSS''' file format is used on Resident Evil game series on Playstation to store the 2D background images. A file holds all different views (camera angles) for the same room.&lt;br /&gt;
&lt;br /&gt;
== Structure ==&lt;br /&gt;
&lt;br /&gt;
The file is an archive that contains several compressed images, aligned on 32KB boundaries (for Resident Evil) or 64KB boundaries (Resident Evil 2 and 3).&lt;br /&gt;
&lt;br /&gt;
== Decompression ==&lt;br /&gt;
&lt;br /&gt;
Each image is compressed for use with Playstation MDEC decoder (the chip responsible for video decoding). An extra decompression step in software, to decode variable-length data (VLC), is performed before feeding the data through MDEC processing.&lt;br /&gt;
&lt;br /&gt;
The libbs library from psxdev-libs package provides the two necessary routines/steps to fully depack the images. The MDEC decoding part in this library comes from the PCSX emulator.&lt;br /&gt;
&lt;br /&gt;
The resolution of the image must be known for correct depacking, and these images use standard 320x240 resolution.&lt;br /&gt;
&lt;br /&gt;
== External links ==&lt;br /&gt;
&lt;br /&gt;
* [http://www.nobis-crew.org/psxdev/ PSXdev]&lt;br /&gt;
* [http://www.pcsx.net/files.shtml PCSX emulator source files]&lt;/div&gt;</summary>
		<author><name>Foxtrot</name></author>	</entry>

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