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Strip comments and inline ids onto h*

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James Gregory 2013-12-30 15:11:04 +11:00
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@ -10,16 +10,9 @@
<meta name="vspubdate" content="07/01/97" />
<meta name="vscategory" content="Web and Software Development: Game Development,Web and Software Development: Graphics and Multimedia Development" />
<title>Michael Abrash's Graphics Programming Black Book Special Edition: Video Est Omnis Divisa</title><!-- HEADER -->
<!-- Empty Reference Subhead -->
<!--ISBN=1576101746//-->
<!--TITLE=Michael Abrash's Graphics Programming Black Book Special Edition//-->
<!--AUTHOR=Michael Abrash//-->
<!--PUBLISHER=The Coriolis Group, Inc.//-->
<title>Michael Abrash's Graphics Programming Black Book Special Edition: Video Est Omnis Divisa</title>
<meta name="chapter" content="30" />
<meta name="pages" content="582-584" />
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</head>
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<p><br /></p>
<h3><a id="Heading10"></a>Notes on Setting and Reading Registers</h3>
<h3 id="Heading10">Notes on Setting and Reading Registers</h3>
<p>There are a few interesting points regarding setting and reading registers to be made about Listing 30.2. First, bit 5 of the AC Index register should be set to 1 whenever palette RAM is not being set (which is to say, all the time in your code, because palette RAM should normally be set via the BIOS). When bit 5 is 0, video data from display memory is no longer sent to palette RAM, and the screen becomes a solid color&mdash;not normally a desirable state of affairs.</p>
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<div align="center">
Graphics Programming Black Book &copy; 2001 Michael Abrash
</div><!-- all of the reference materials (books) have the footer and subfoot reveresed -->
<!-- reference_subfoot = footer -->
<!-- reference_footer = subfoot -->
<!-- BEGIN SUB FOOTER -->
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</div>
</body>
</html>