http://wiki.mcselec.com/bavr/index.php?action=history&feed=atom&title=CmdSnapShot 2026-06-09T21:57:42Z Revision history for this page on the wiki MediaWiki 1.18.6 http://wiki.mcselec.com/bavr/index.php?title=CmdSnapShot&diff=4840&oldid=prev 2014-12-12T18:07:14Z

<p>Created page with &quot;= &lt;span class=&quot;f_Header&quot;&gt;Action&lt;/span&gt; = Take a snapshot of the current screen. &lt;span style=&quot;font-family: Arial;&quot;&gt; &lt;/span&gt; &lt;span style=&quot;font-family: Arial;&quot;&gt; &lt;/sp...&quot;</p> <p><b>New page</b></p><div>= &lt;span class=&quot;f_Header&quot;&gt;Action&lt;/span&gt; =<br /> <br /> Take a snapshot of the current screen.<br /> <br /> &lt;span style=&quot;font-family: Arial;&quot;&gt;&amp;nbsp;&lt;/span&gt;<br /> <br /> &lt;span style=&quot;font-family: Arial;&quot;&gt;&amp;nbsp;&lt;/span&gt;<br /> <br /> = &lt;span class=&quot;f_Header&quot;&gt;Syntax&lt;/span&gt; =<br /> <br /> &lt;span class=&quot;f_Syntax&quot;&gt;CmdSnapShot&amp;nbsp;&lt;/span&gt;&lt;span class=&quot;f_Syntax&quot; style=&quot;font-weight: normal; color: rgb(0, 0, 0);&quot;&gt;&amp;nbsp;ptr&amp;nbsp;&lt;/span&gt;<br /> <br /> &lt;span style=&quot;font-family: Arial;&quot;&gt;&amp;nbsp;&lt;/span&gt;<br /> <br /> &lt;span style=&quot;font-family: Arial;&quot;&gt;&amp;nbsp;&lt;/span&gt;<br /> <br /> = &lt;span class=&quot;f_Header&quot;&gt;Remarks&lt;/span&gt; =<br /> &lt;div style=&quot;padding: 0px; margin: 0px;&quot;&gt;<br /> {| cellspacing=&quot;0&quot; cellpadding=&quot;0&quot; border=&quot;0&quot; style=&quot;border: none; border-spacing: 0px; border-collapse: collapse;&quot;<br /> |- style=&quot;vertical-align: top;&quot;<br /> | valign=&quot;top&quot; width=&quot;65&quot; style=&quot;width: 65px; border: 2px solid rgb(0, 0, 0);&quot; | <br /> ptr<br /> <br /> | valign=&quot;top&quot; width=&quot;767&quot; style=&quot;width: 767px; border: 2px solid rgb(0, 0, 0);&quot; | <br /> Snapshot destination address, in&amp;nbsp;&lt;span style=&quot;color: rgb(128, 0, 128);&quot;&gt;RAM_G&lt;/span&gt;<br /> <br /> |}<br /> &lt;/div&gt;<br /> &lt;span class=&quot;f_Syntax&quot; style=&quot;font-weight: normal; color: rgb(0, 0, 0);&quot;&gt;&amp;nbsp;&lt;/span&gt;<br /> <br /> This command causes the co-processor engine to take a snapshot of the current screen, and write the result into&amp;nbsp;&lt;span style=&quot;color: rgb(128, 0, 128);&quot;&gt;RAM_G&lt;/span&gt;&amp;nbsp;as a&amp;nbsp;&lt;span style=&quot;color: rgb(128, 0, 128);&quot;&gt;ARGB4&lt;/span&gt;&amp;nbsp;bitmap.The size of the bitmap is the size of the screen, given by the&amp;nbsp;&lt;span style=&quot;color: rgb(128, 0, 128);&quot;&gt;REG_HSIZE&lt;/span&gt;&amp;nbsp;and&amp;nbsp;&lt;span style=&quot;color: rgb(128, 0, 128);&quot;&gt;REG_VSIZE&lt;/span&gt;&amp;nbsp;registers.<br /> <br /> &amp;nbsp;<br /> <br /> During the snapshot process, the display should be disabled by setting&amp;nbsp;&lt;span style=&quot;color: rgb(128, 0, 128);&quot;&gt;REG_PCLK&lt;/span&gt;&amp;nbsp;to 0 to avoid display glitch.<br /> <br /> Because co-processor engine needs to write the result into the destination address, the destination address must be never used or referenced by graphics engine.<br /> <br /> &lt;span class=&quot;f_Syntax&quot; style=&quot;font-weight: normal; color: rgb(128, 0, 128);&quot;&gt;&amp;nbsp;&lt;/span&gt;<br /> <br /> &lt;span class=&quot;f_Syntax&quot; style=&quot;color: rgb(128, 0, 128);&quot;&gt;Note: If you want to actual take Screen Captures &amp;nbsp;- see FT800 Capture.Bas&lt;/span&gt;<br /> <br /> &lt;span style=&quot;font-family: Arial;&quot;&gt;&amp;nbsp;&lt;/span&gt;<br /> <br /> = &lt;span class=&quot;f_Header&quot;&gt;Example&lt;/span&gt; =<br /> <br /> &lt;source lang=&quot;bascomavr&quot;&gt;<br /> ' See demo - FT800 Demo4.bas (Sub Snapshot)<br /> &lt;/source&gt;<br /> <br /> {{Languages}}<br /> <br /> [[Category:FT800 Commands]]</div>

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