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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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<a href="#nested-classes">Data Structures</a> &#124;
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<div class="textblock"><code>#include &lt;<a class="el" href="stdint_8h_source.html">stdint.h</a>&gt;</code><br />
<code>#include &lt;types.h&gt;</code><br />
</div>
<p><a href="isr_8h_source.html">Go to the source code of this file.</a></p>
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Data Structures</h2></td></tr>
<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">struct &#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structisr__vector__t.html">isr_vector_t</a></td></tr>
<tr class="separator:"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">struct &#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structisr__nested__vector__t.html">isr_nested_vector_t</a></td></tr>
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Macros</h2></td></tr>
<tr class="memitem:VECTOR_STAT"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="isr_8h.html#VECTOR_STAT">VECTOR_STAT</a>&#160;&#160;&#160;0x48</td></tr>
<tr class="separator:VECTOR_STAT"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:VECTOR_TIMER"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="isr_8h.html#VECTOR_TIMER">VECTOR_TIMER</a>&#160;&#160;&#160;0x50</td></tr>
<tr class="separator:VECTOR_TIMER"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:VECTOR_SERIAL"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="isr_8h.html#VECTOR_SERIAL">VECTOR_SERIAL</a>&#160;&#160;&#160;0x58</td></tr>
<tr class="separator:VECTOR_SERIAL"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:VECTOR_JOYPAD"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="isr_8h.html#VECTOR_JOYPAD">VECTOR_JOYPAD</a>&#160;&#160;&#160;0x60</td></tr>
<tr class="separator:VECTOR_JOYPAD"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ISR_VECTOR"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="isr_8h.html#ISR_VECTOR">ISR_VECTOR</a>(ADDR, FUNC)&#160;&#160;&#160;static const <a class="el" href="structisr__vector__t.html">isr_vector_t</a> <a class="el" href="asm_2types_8h.html#AT">AT</a>((ADDR)) __ISR_ ## ADDR = {0xc3, (void *)&amp;(FUNC)};</td></tr>
<tr class="separator:ISR_VECTOR"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ISR_NESTED_VECTOR"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="isr_8h.html#ISR_NESTED_VECTOR">ISR_NESTED_VECTOR</a>(ADDR, FUNC)&#160;&#160;&#160;static const <a class="el" href="structisr__nested__vector__t.html">isr_nested_vector_t</a> <a class="el" href="asm_2types_8h.html#AT">AT</a>((ADDR)) __ISR_ ## ADDR = {{0xfb, 0xc3}, (void *)&amp;(FUNC)};</td></tr>
<tr class="separator:ISR_NESTED_VECTOR"><td class="memSeparator" colspan="2">&#160;</td></tr>
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Typedefs</h2></td></tr>
<tr class="memitem:isr_vector_t"><td class="memItemLeft" align="right" valign="top">typedef struct <a class="el" href="structisr__vector__t.html">isr_vector_t</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="isr_8h.html#isr_vector_t">isr_vector_t</a></td></tr>
<tr class="separator:isr_vector_t"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:isr_nested_vector_t"><td class="memItemLeft" align="right" valign="top">typedef struct <a class="el" href="structisr__nested__vector__t.html">isr_nested_vector_t</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="isr_8h.html#isr_nested_vector_t">isr_nested_vector_t</a></td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p >Macros for creating raw interrupt service routines (ISRs) which do not use the default GBDK ISR dispatcher.</p>
<p >Handlers installed this way will have less overhead than ones which use the GBDK ISR dispatcher. </p>
</div><h2 class="groupheader">Macro Definition Documentation</h2>
<a id="VECTOR_STAT" name="VECTOR_STAT"></a>
<h2 class="memtitle"><span class="permalink"><a href="#VECTOR_STAT">&#9670;&nbsp;</a></span>VECTOR_STAT</h2>
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<td class="memname">#define VECTOR_STAT&#160;&#160;&#160;0x48</td>
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</div><div class="memdoc">
<p >Address for the STAT interrupt vector </p>
</div>
</div>
<a id="VECTOR_TIMER" name="VECTOR_TIMER"></a>
<h2 class="memtitle"><span class="permalink"><a href="#VECTOR_TIMER">&#9670;&nbsp;</a></span>VECTOR_TIMER</h2>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">#define VECTOR_TIMER&#160;&#160;&#160;0x50</td>
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<p >Address for the TIMER interrupt vector </p>
</div>
</div>
<a id="VECTOR_SERIAL" name="VECTOR_SERIAL"></a>
<h2 class="memtitle"><span class="permalink"><a href="#VECTOR_SERIAL">&#9670;&nbsp;</a></span>VECTOR_SERIAL</h2>
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<div class="memproto">
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<td class="memname">#define VECTOR_SERIAL&#160;&#160;&#160;0x58</td>
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</div><div class="memdoc">
<p >Address for the SERIAL interrupt vector </p>
</div>
</div>
<a id="VECTOR_JOYPAD" name="VECTOR_JOYPAD"></a>
<h2 class="memtitle"><span class="permalink"><a href="#VECTOR_JOYPAD">&#9670;&nbsp;</a></span>VECTOR_JOYPAD</h2>
<div class="memitem">
<div class="memproto">
<table class="memname">
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<td class="memname">#define VECTOR_JOYPAD&#160;&#160;&#160;0x60</td>
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</div><div class="memdoc">
<p >Address for the JOYPAD interrupt vector </p>
</div>
</div>
<a id="ISR_VECTOR" name="ISR_VECTOR"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ISR_VECTOR">&#9670;&nbsp;</a></span>ISR_VECTOR</h2>
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<td class="memname">#define ISR_VECTOR</td>
<td>(</td>
<td class="paramtype">&#160;</td>
<td class="paramname">ADDR, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">&#160;</td>
<td class="paramname">FUNC&#160;</td>
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<tr>
<td></td>
<td>)</td>
<td></td><td>&#160;&#160;&#160;static const <a class="el" href="structisr__vector__t.html">isr_vector_t</a> <a class="el" href="asm_2types_8h.html#AT">AT</a>((ADDR)) __ISR_ ## ADDR = {0xc3, (void *)&amp;(FUNC)};</td>
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<p >Creates an interrupt vector at the given address for a raw interrupt service routine (which does not use the GBDK ISR dispatcher)</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">ADDR</td><td>Address of the interrupt vector, any of: <a class="el" href="isr_8h.html#VECTOR_STAT">VECTOR_STAT</a>, <a class="el" href="isr_8h.html#VECTOR_TIMER">VECTOR_TIMER</a>, <a class="el" href="isr_8h.html#VECTOR_SERIAL">VECTOR_SERIAL</a>, <a class="el" href="isr_8h.html#VECTOR_JOYPAD">VECTOR_JOYPAD</a> </td></tr>
<tr><td class="paramname">FUNC</td><td>ISR function supplied by the user</td></tr>
</table>
</dd>
</dl>
<p>This cannot be used with the VBLANK interrupt.</p>
<p >Do not use this in combination with interrupt installers that rely on the default GBDK ISR dispatcher such as <a class="el" href="gb_8h.html#add_TIM">add_TIM()</a>, <a class="el" href="gb_8h.html#remove_TIM">remove_TIM()</a> (and the same for all other interrupts).</p>
<p >Example: </p><div class="fragment"><div class="line"><span class="preprocessor">#include &lt;<a class="code" href="isr_8h.html">gb/isr.h</a>&gt;</span></div>
<div class="line"> </div>
<div class="line"><span class="keywordtype">void</span> TimerISR() __critical __interrupt {</div>
<div class="line"><span class="comment">// some ISR code here</span></div>
<div class="line">}</div>
<div class="line"> </div>
<div class="line"><a class="code hl_define" href="isr_8h.html#ISR_VECTOR">ISR_VECTOR</a>(<a class="code hl_define" href="isr_8h.html#VECTOR_TIMER">VECTOR_TIMER</a>, TimerISR)</div>
<div class="ttc" id="aisr_8h_html"><div class="ttname"><a href="isr_8h.html">isr.h</a></div></div>
<div class="ttc" id="aisr_8h_html_ISR_VECTOR"><div class="ttname"><a href="isr_8h.html#ISR_VECTOR">ISR_VECTOR</a></div><div class="ttdeci">#define ISR_VECTOR(ADDR, FUNC)</div><div class="ttdef"><b>Definition:</b> isr.h:52</div></div>
<div class="ttc" id="aisr_8h_html_VECTOR_TIMER"><div class="ttname"><a href="isr_8h.html#VECTOR_TIMER">VECTOR_TIMER</a></div><div class="ttdeci">#define VECTOR_TIMER</div><div class="ttdef"><b>Definition:</b> isr.h:17</div></div>
</div><!-- fragment --><dl class="section see"><dt>See also</dt><dd><a class="el" href="isr_8h.html#ISR_NESTED_VECTOR">ISR_NESTED_VECTOR</a>, <a class="el" href="sms_8h.html#set_interrupts">set_interrupts</a> </dd></dl>
</div>
</div>
<a id="ISR_NESTED_VECTOR" name="ISR_NESTED_VECTOR"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ISR_NESTED_VECTOR">&#9670;&nbsp;</a></span>ISR_NESTED_VECTOR</h2>
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<td class="memname">#define ISR_NESTED_VECTOR</td>
<td>(</td>
<td class="paramtype">&#160;</td>
<td class="paramname">ADDR, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">&#160;</td>
<td class="paramname">FUNC&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td>&#160;&#160;&#160;static const <a class="el" href="structisr__nested__vector__t.html">isr_nested_vector_t</a> <a class="el" href="asm_2types_8h.html#AT">AT</a>((ADDR)) __ISR_ ## ADDR = {{0xfb, 0xc3}, (void *)&amp;(FUNC)};</td>
</tr>
</table>
</div><div class="memdoc">
<p >Creates an interrupt vector at the given address for a raw interrupt service routine allowing nested interrupts</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">ADDR</td><td>Address of the interrupt vector, any of: <a class="el" href="isr_8h.html#VECTOR_STAT">VECTOR_STAT</a>, <a class="el" href="isr_8h.html#VECTOR_TIMER">VECTOR_TIMER</a>, <a class="el" href="isr_8h.html#VECTOR_SERIAL">VECTOR_SERIAL</a>, <a class="el" href="isr_8h.html#VECTOR_JOYPAD">VECTOR_JOYPAD</a> </td></tr>
<tr><td class="paramname">FUNC</td><td>ISR function</td></tr>
</table>
</dd>
</dl>
<p>This cannot be used with the VBLANK interrupt</p>
<p >The LCD STAT vector (<a class="el" href="isr_8h.html#VECTOR_STAT">VECTOR_STAT</a>) cannot be used in the same program as <code>stdio.h</code> since they install an ISR vector to the same location.</p>
<dl class="section see"><dt>See also</dt><dd><a class="el" href="isr_8h.html#ISR_VECTOR">ISR_VECTOR</a> </dd></dl>
</div>
</div>
<h2 class="groupheader">Typedef Documentation</h2>
<a id="isr_vector_t" name="isr_vector_t"></a>
<h2 class="memtitle"><span class="permalink"><a href="#isr_vector_t">&#9670;&nbsp;</a></span>isr_vector_t</h2>
<div class="memitem">
<div class="memproto">
<table class="memname">
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<td class="memname">typedef struct <a class="el" href="structisr__vector__t.html">isr_vector_t</a> <a class="el" href="structisr__vector__t.html">isr_vector_t</a></td>
</tr>
</table>
</div><div class="memdoc">
</div>
</div>
<a id="isr_nested_vector_t" name="isr_nested_vector_t"></a>
<h2 class="memtitle"><span class="permalink"><a href="#isr_nested_vector_t">&#9670;&nbsp;</a></span>isr_nested_vector_t</h2>
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<div class="memproto">
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<td class="memname">typedef struct <a class="el" href="structisr__nested__vector__t.html">isr_nested_vector_t</a> <a class="el" href="structisr__nested__vector__t.html">isr_nested_vector_t</a></td>
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