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6<title>SYNSetInitCallback</title>
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13<h1 align="left">SYNSetInitCallback</h1>
14
15<h2>Syntax</h2>
16<dl><dd><pre class="construction">
17#include &lt;revolution.h&gt;
18#include &lt;revolution/syn.h&gt;
19
20typedef void (*SYNCallback)(AXVPB *axvpb, SYNSYNTH *synth, u8 midiChannel);
21
22SYNCallback SYNSetInitCallback(SYNSYNTH *synth, SYNCallback callback);
23</pre></dd></dl>
24
25<h2>Arguments</h2>
26<TABLE class="arguments" border="1" >
27  <tr>
28<th>synth</th>
29<td>Pointer to the user-initialized <CODE>SYNSYNTH</CODE> data structure</td>
30  </tr>
31  <tr>
32<th>callback</th>
33<td>Callback to be registered</td>
34  </tr>
35</table>
36
37<h2>Return Values</h2>
38<p>Pointer to the previous callback function.</p>
39
40<h2>Description</h2>
41<p>The <code>SYNSetInitCallback</code> function registers a callback function to be called at note-on for the specified synthesizer.</p>
42
43<p>Use this callback function when outputing a voice from the controller speaker via a synthesizer.</p>
44
45<h2>See Also</h2>
46<p>None.</p>
47
48<h2>Revision History</h2>
49<P>
502006/08/03 Initial version.<BR>
51</P>
52
53<hr><p>CONFIDENTIAL</p></body>
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