Misc/abrash-black-book
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Retidy, removing align=left from headings and empty paragraphs

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This commit is contained in:
James Gregory 2013-12-30 15:37:13 +11:00
commit a96a114403
362 changed files with 8472 additions and 5040 deletions
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49-02.html
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@ -1,5 +1,4 @@
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
@ -19,18 +18,22 @@
<center>
<table border="1">
<tr>
<td><a href="49-01.html">Previous</a></td>
<td>
<a href="49-01.html">Previous</a>
</td>
<td><a href="index.html">Table of Contents</a></td>
<td>
<a href="index.html">Table of Contents</a>
</td>
<td><a href="49-03.html">Next</a></td>
<td>
<a href="49-03.html">Next</a>
</td>
</tr>
</table>
</center>
<p><br /></p>
<h4 align="left" id="Heading4">Faster Masked Copying</h4>
<h4 id="Heading4">Faster Masked Copying</h4>
<p>In the previous chapter we saw how the VGA&rsquo;s latches can be used to copy four pixels at a time from one area of display memory to another in Mode X. We&rsquo;ve further seen that in Mode X the Map Mask register can be used to select which planes are copied. That&rsquo;s all we need to know to be able to perform fast masked copies; we can store an image in off-screen display memory, and set the Map Mask to the appropriate mask value as up to four pixels at a time are copied.</p>
@ -203,16 +206,20 @@ _CopyScreenToScreenMaskedX endp
</pre>
<p><br /></p>
<center>
<table border="1">
<tr>
<td><a href="49-01.html">Previous</a></td>
<td>
<a href="49-01.html">Previous</a>
</td>
<td><a href="index.html">Table of Contents</a></td>
<td>
<a href="index.html">Table of Contents</a>
</td>
<td><a href="49-03.html">Next</a></td>
<td>
<a href="49-03.html">Next</a>
</td>
</tr>
</table>
</center>