<?xml version="1.0" encoding="UTF-8" standalone="no"?> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /> <title>goto</title> <link rel="stylesheet" type="text/css" href="csound.css" /> <link rel="stylesheet" type="text/css" href="syntax-highlighting.css" /> <meta name="generator" content="DocBook XSL Stylesheets Vsnapshot" /> <link rel="home" href="index.html" title="The Canonical Csound Reference Manual" /> <link rel="up" href="OpcodesTop.html" title="Orchestra Opcodes and Operators" /> <link rel="prev" href="gogobel.html" title="gogobel" /> <link rel="next" href="grain.html" title="grain" /> </head> <body> <div class="navheader"> <table width="100%" summary="Navigation header"> <tr> <th colspan="3" align="center">goto</th> </tr> <tr> <td width="20%" align="left"><a accesskey="p" href="gogobel.html">Prev</a> </td> <th width="60%" align="center">Orchestra Opcodes and Operators</th> <td width="20%" align="right"> <a accesskey="n" href="grain.html">Next</a></td> </tr> </table> <hr /> </div> <div class="refentry"> <a id="goto"></a> <div class="titlepage"></div> <a id="IndexGoto" class="indexterm"></a> <div class="refnamediv"> <h2> <span class="refentrytitle">goto</span> </h2> <p>goto — Transfer control on every pass. </p> </div> <div class="refsect1"> <a id="idm281472926818024"></a> <h2>Description</h2> <p> Transfer control to <span class="emphasis"><em>label</em></span> on every pass. (Combination of <a class="link" href="igoto.html" title="igoto"><em class="citetitle">igoto</em></a> and <a class="link" href="kgoto.html" title="kgoto"><em class="citetitle">kgoto</em></a>) </p> </div> <div class="refsect1"> <a id="idm281472926745304"></a> <h2>Syntax</h2> <pre class="synopsis"><span class="command"><strong>goto</strong></span> label</pre> <p> where <span class="emphasis"><em>label</em></span> is in the same instrument block and is not an expression. </p> <div class="note" style="margin-left: 0.5in; margin-right: 0.5in;"> <table border="0" summary="Note"> <tr> <td rowspan="2" align="center" valign="top" width="25"> <img alt="[Note]" src="images/note.png" /> </td> <th align="left">Note</th> </tr> <tr> <td align="left" valign="top"> Using <span class="emphasis"><em>goto</em></span> not as part of an <a class="link" href="if.html" title="if"><em class="citetitle">if</em></a> statement (as in: goto end), will cause initialization to be skipped on all the code the <span class="emphasis"><em>goto</em></span> jumps over. In performance, leaving some opcodes uninitialized will cause deletion of the note/event. In these cases, using <a class="link" href="kgoto.html" title="kgoto"><em class="citetitle">kgoto</em></a> (as in: kgoto end) might be preferred." </td> </tr> </table> </div> </div> <div class="refsect1"> <a id="idm281472926739176"></a> <h2>Examples</h2> <p> Here is an example of the goto opcode. It uses the file <a class="ulink" href="examples/goto.csd" target="_top"><em class="citetitle">goto.csd</em></a>. </p> <div class="example"> <a id="idm281472926737320"></a> <p class="title"> <strong>Example 388. Example of the goto opcode.</strong> </p> <div class="example-contents"> <p>See the sections <a class="link" href="UsingRealTime.html" title="Real-Time Audio"><em class="citetitle">Real-time Audio</em></a> and <a class="link" href="CommandFlags.html" title="Csound command line"><em class="citetitle">Command Line Flags</em></a> for more information on using command line flags.</p> <div class="refsect1"> <a id="idm281472756596104"></a> <pre class="programlisting"> <span class="nt"><CsoundSynthesizer></span> <span class="nt"><CsOptions></span> <span class="c1">; Select audio/midi flags here according to platform</span> <span class="c1">; Audio out Audio in</span> -odac -iadc <span class="c1">;;;RT audio I/O</span> <span class="c1">; For Non-realtime ouput leave only the line below:</span> <span class="c1">; -o goto.wav -W ;;; for file output any platform</span> <span class="nt"></CsOptions></span> <span class="nt"><CsInstruments></span> <span class="c1">; Initialize the global variables.</span> <span class="vg">sr</span> <span class="o">=</span> <span class="mi">44100</span> <span class="vg">kr</span> <span class="o">=</span> <span class="mi">4410</span> <span class="vg">ksmps</span> <span class="o">=</span> <span class="mi">10</span> <span class="vg">nchnls</span> <span class="o">=</span> <span class="mi">1</span> <span class="c1">; Instrument #1.</span> <span class="kd">instr</span> <span class="nf">1</span> a<span class="n">1</span> <span class="nb">oscil</span> <span class="mi">10000</span><span class="p">,</span> <span class="mi">440</span><span class="p">,</span> <span class="mi">1</span> <span class="k">goto</span> <span class="nl">playit</span> <span class="c1">; The goto will go to the playit label.</span> <span class="c1">; It will skip any code in between like this comment.</span> <span class="nl">playit</span><span class="p">:</span> <span class="nb">out</span> a<span class="n">1</span> <span class="kd">endin</span> <span class="nt"></CsInstruments></span> <span class="nt"><CsScore></span> <span class="c1">; Table #1: a simple sine wave.</span> <span class="nb">f</span> <span class="mi">1</span> <span class="mi">0</span> <span class="mi">32768</span> <span class="mi">10</span> <span class="mi">1</span> <span class="c1">; Play Instrument #1 for one second.</span> <span class="nb">i</span> <span class="mi">1</span> <span class="mi">0</span> <span class="mi">1</span> <span class="nb">e</span> <span class="nt"></CsScore></span> <span class="nt"></CsoundSynthesizer></span> </pre> </div> </div> </div> <p><br class="example-break" /> </p> </div> <div class="refsect1"> <a id="idm281472926733128"></a> <h2>See Also</h2> <p> <a class="link" href="cggoto.html" title="cggoto"><em class="citetitle">cggoto</em></a>, <a class="link" href="cigoto.html" title="cigoto"><em class="citetitle">cigoto</em></a>, <a class="link" href="ckgoto.html" title="ckgoto"><em class="citetitle">ckgoto</em></a>, <a class="link" href="if.html" title="if"><em class="citetitle">if</em></a>, <a class="link" href="igoto.html" title="igoto"><em class="citetitle">igoto</em></a>, <a class="link" href="kgoto.html" title="kgoto"><em class="citetitle">kgoto</em></a>, <a class="link" href="tigoto.html" title="tigoto"><em class="citetitle">tigoto</em></a>, <a class="link" href="timout.html" title="timout"><em class="citetitle">timout</em></a> </p> </div> <div class="refsect1"> <a id="idm281472926724424"></a> <h2>Credits</h2> <p>Example written by Kevin Conder.</p> <p>Added a note by Jim Aikin.</p> </div> </div> <div class="navfooter"> <hr /> <table width="100%" summary="Navigation footer"> <tr> <td width="40%" align="left"><a accesskey="p" href="gogobel.html">Prev</a> </td> <td width="20%" align="center"> <a accesskey="u" href="OpcodesTop.html">Up</a> </td> <td width="40%" align="right"> <a accesskey="n" href="grain.html">Next</a></td> </tr> <tr> <td width="40%" align="left" valign="top">gogobel </td> <td width="20%" align="center"> <a accesskey="h" href="index.html">Home</a> </td> <td width="40%" align="right" valign="top"> grain</td> </tr> </table> </div> </body> </html>