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&#160;<span id="projectnumber">4.5.0</span>
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<div id="projectbrief">API Documentation for GBDK 2020</div>
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<div class="header">
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<a href="#func-members">Functions</a> &#124;
<a href="#var-members">Variables</a> </div>
<div class="headertitle"><div class="title">hblankcpy.h File Reference</div></div>
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<div class="textblock"><code>#include &lt;<a class="el" href="stdint_8h_source.html">stdint.h</a>&gt;</code><br />
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<p><a href="hblankcpy_8h_source.html">Go to the source code of this file.</a></p>
<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a id="func-members" name="func-members"></a>
Functions</h2></td></tr>
<tr class="memitem:hblank_copy_vram"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="hblankcpy_8h.html#hblank_copy_vram">hblank_copy_vram</a> (const <a class="el" href="stdint_8h.html#uint8_t">uint8_t</a> *sour, <a class="el" href="stdint_8h.html#uint8_t">uint8_t</a> count)</td></tr>
<tr class="separator:hblank_copy_vram"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:hblank_cpy_vram"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="hblankcpy_8h.html#hblank_cpy_vram">hblank_cpy_vram</a> (const <a class="el" href="stdint_8h.html#uint8_t">uint8_t</a> *sour, <a class="el" href="stdint_8h.html#uint8_t">uint8_t</a> count)</td></tr>
<tr class="separator:hblank_cpy_vram"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:hblank_copy"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="hblankcpy_8h.html#hblank_copy">hblank_copy</a> (<a class="el" href="stdint_8h.html#uint8_t">uint8_t</a> *dest, const <a class="el" href="stdint_8h.html#uint8_t">uint8_t</a> *sour, <a class="el" href="stdint_8h.html#uint16_t">uint16_t</a> size)</td></tr>
<tr class="separator:hblank_copy"><td class="memSeparator" colspan="2">&#160;</td></tr>
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Variables</h2></td></tr>
<tr class="memitem:hblank_copy_destination"><td class="memItemLeft" align="right" valign="top"><a class="el" href="stdint_8h.html#uint8_t">uint8_t</a> *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="hblankcpy_8h.html#hblank_copy_destination">hblank_copy_destination</a></td></tr>
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<h2 class="groupheader">Function Documentation</h2>
<a id="hblank_copy_vram" name="hblank_copy_vram"></a>
<h2 class="memtitle"><span class="permalink"><a href="#hblank_copy_vram">&#9670;&nbsp;</a></span>hblank_copy_vram()</h2>
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<td class="memname">void hblank_copy_vram </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="stdint_8h.html#uint8_t">uint8_t</a> *&#160;</td>
<td class="paramname"><em>sour</em>, </td>
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<td class="paramtype"><a class="el" href="stdint_8h.html#uint8_t">uint8_t</a>&#160;</td>
<td class="paramname"><em>count</em>&#160;</td>
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<td>)</td>
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<p >HBlank stack copy routine </p><dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">sour</td><td>Source address to copy from </td></tr>
<tr><td class="paramname">count</td><td>Number of 16 byte chunks to copy</td></tr>
</table>
</dd>
</dl>
<p>Performs the required STAT_REG, IE_REG, IF_REG manipulation when called and restores STAT_REG and IE_REG on exit (unlike <a class="el" href="hblankcpy_8h.html#hblank_cpy_vram">hblank_cpy_vram()</a>).</p>
<p >Before calling:</p><ul>
<li>Set the destination using <a class="el" href="hblankcpy_8h.html#hblank_copy_destination">hblank_copy_destination</a></li>
<li>Interrupts must be disabled</li>
</ul>
<dl class="section see"><dt>See also</dt><dd><a class="el" href="hblankcpy_8h.html#hblank_cpy_vram">hblank_cpy_vram</a>, <a class="el" href="hblankcpy_8h.html#hblank_copy_destination">hblank_copy_destination</a>, <a class="el" href="hblankcpy_8h.html#hblank_copy">hblank_copy</a> </dd></dl>
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<a id="hblank_cpy_vram" name="hblank_cpy_vram"></a>
<h2 class="memtitle"><span class="permalink"><a href="#hblank_cpy_vram">&#9670;&nbsp;</a></span>hblank_cpy_vram()</h2>
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<td class="memname">void hblank_cpy_vram </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="stdint_8h.html#uint8_t">uint8_t</a> *&#160;</td>
<td class="paramname"><em>sour</em>, </td>
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<p >HBlank stack copy routine </p><dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">sour</td><td>Source address to copy from </td></tr>
<tr><td class="paramname">count</td><td>Number of 16 byte chunks to copy</td></tr>
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</dd>
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<p>Unlike <a class="el" href="hblankcpy_8h.html#hblank_copy_vram">hblank_copy_vram()</a> does not perform the required STAT_REG, IE_REG, IF_REG manipulation, nor does it restore STAT_REG and IE_REG on exit.</p>
<p >Before calling:</p><ul>
<li>Set the destination using <a class="el" href="hblankcpy_8h.html#hblank_copy_destination">hblank_copy_destination</a></li>
<li>Interrupts must be properly configured</li>
<li>Interrupts must be disabled</li>
</ul>
<dl class="section see"><dt>See also</dt><dd><a class="el" href="hblankcpy_8h.html#hblank_copy_vram">hblank_copy_vram</a>, <a class="el" href="hblankcpy_8h.html#hblank_copy_destination">hblank_copy_destination</a>, <a class="el" href="hblankcpy_8h.html#hblank_copy">hblank_copy</a> </dd></dl>
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<a id="hblank_copy" name="hblank_copy"></a>
<h2 class="memtitle"><span class="permalink"><a href="#hblank_copy">&#9670;&nbsp;</a></span>hblank_copy()</h2>
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<div class="memproto">
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<td class="mlabels-left">
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<td class="memname">void hblank_copy </td>
<td>(</td>
<td class="paramtype"><a class="el" href="stdint_8h.html#uint8_t">uint8_t</a> *&#160;</td>
<td class="paramname"><em>dest</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">const <a class="el" href="stdint_8h.html#uint8_t">uint8_t</a> *&#160;</td>
<td class="paramname"><em>sour</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="stdint_8h.html#uint16_t">uint16_t</a>&#160;</td>
<td class="paramname"><em>size</em>&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
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<td class="mlabels-right">
<span class="mlabels"><span class="mlabel">inline</span></span> </td>
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<p >HBlank stack copy routine (must be called with interrupts disabled!) </p><dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">dest</td><td>destination pointer </td></tr>
<tr><td class="paramname">sour</td><td>source pointer </td></tr>
<tr><td class="paramname">size</td><td>number of bytes to copy (rounded to 16-byte chunks)</td></tr>
</table>
</dd>
</dl>
<p>Performs a fast vram safe copy of data during HBlank. </p>
</div>
</div>
<h2 class="groupheader">Variable Documentation</h2>
<a id="hblank_copy_destination" name="hblank_copy_destination"></a>
<h2 class="memtitle"><span class="permalink"><a href="#hblank_copy_destination">&#9670;&nbsp;</a></span>hblank_copy_destination</h2>
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<td class="mlabels-left">
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<td class="memname"><a class="el" href="stdint_8h.html#uint8_t">uint8_t</a>* hblank_copy_destination</td>
</tr>
</table>
</td>
<td class="mlabels-right">
<span class="mlabels"><span class="mlabel">extern</span></span> </td>
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<p >Destination address for hblank copy routine </p>
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