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<ul class="crumbs"><li><a href="../index.html">Home</a></li><li><a href="../extensions.html">Kits</a></li><li><a href="index.html">Architecture32Kit</a></li><li><b>Startup Template</b></li></ul></div>
<p class="purpose">How programs for this architecture start up the virtual machine.</p>
<p class="commentary firstcommentary"><a id="SP1" class="paragraph-anchor"></a><b>&#167;1. </b><span class="extract"><span class="extract-syntax">VM_Initialise()</span></span> is almost the first routine called, except that the
"starting the virtual machine" activity is allowed to go first; and,
come to think of it, memory allocation has to be set up before even that,
and that in turn calls <span class="extract"><span class="extract-syntax">VM_PreInitialise()</span></span> to do the absolute minimum.
</p>
<p class="commentary">Arrangements are a little different here compared with the 16-bit architecture,
because some data is retained in the case of a restart.
</p>
<p class="commentary">(Many thanks are due to Eliuk Blau, who found several tricky timing errors
here and elsewhere in the Glulx-specific code. Frankly, I feel like hanging
a sign on the following routines which reads "Congratulations on bringing
light to the Dark Room.")
</p>
<pre class="displayed-code all-displayed-code code-font">
<span class="plain-syntax">[ </span><span class="identifier-syntax">VM_PreInitialise</span><span class="plain-syntax"> </span><span class="identifier-syntax">res</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> @</span><span class="identifier-syntax">gestalt</span><span class="plain-syntax"> </span><span class="constant-syntax">4</span><span class="plain-syntax"> </span><span class="constant-syntax">2</span><span class="plain-syntax"> </span><span class="identifier-syntax">res</span><span class="plain-syntax">; </span><span class="comment-syntax">Test if this interpreter has Glk...</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">res</span><span class="plain-syntax"> == </span><span class="constant-syntax">0</span><span class="plain-syntax">) </span><span class="reserved-syntax">quit</span><span class="plain-syntax">; </span><span class="comment-syntax">...without which there would be nothing we could do</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">unicode_gestalt_ok</span><span class="plain-syntax"> = </span><span class="reserved-syntax">false</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">glk_gestalt</span><span class="plain-syntax">(</span><span class="identifier-syntax">gestalt_Unicode</span><span class="plain-syntax">, </span><span class="constant-syntax">0</span><span class="plain-syntax">))</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">unicode_gestalt_ok</span><span class="plain-syntax"> = </span><span class="reserved-syntax">true</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="comment-syntax">Set the VM's I/O system to be Glk.</span>
<span class="plain-syntax"> @</span><span class="identifier-syntax">setiosys</span><span class="plain-syntax"> </span><span class="constant-syntax">2</span><span class="plain-syntax"> </span><span class="constant-syntax">0</span><span class="plain-syntax">;</span>
<span class="plain-syntax">];</span>
<span class="plain-syntax">[ </span><span class="identifier-syntax">VM_Initialise</span><span class="plain-syntax"> </span><span class="identifier-syntax">res</span><span class="plain-syntax"> </span><span class="identifier-syntax">sty</span><span class="plain-syntax"> </span><span class="identifier-syntax">i</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> @</span><span class="identifier-syntax">gestalt</span><span class="plain-syntax"> </span><span class="constant-syntax">4</span><span class="plain-syntax"> </span><span class="constant-syntax">2</span><span class="plain-syntax"> </span><span class="identifier-syntax">res</span><span class="plain-syntax">; </span><span class="comment-syntax">Test if this interpreter has Glk...</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">res</span><span class="plain-syntax"> == </span><span class="constant-syntax">0</span><span class="plain-syntax">) </span><span class="reserved-syntax">quit</span><span class="plain-syntax">; </span><span class="comment-syntax">...without which there would be nothing we could do</span>
<span class="plain-syntax"> </span><span class="comment-syntax">First, we must go through all the Glk objects that exist, and see</span>
<span class="plain-syntax"> </span><span class="comment-syntax">if we created any of them. One might think this strange, since the</span>
<span class="plain-syntax"> </span><span class="comment-syntax">program has just started running, but remember that the player might</span>
<span class="plain-syntax"> </span><span class="comment-syntax">have just typed "restart".</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">GGRecoverObjects</span><span class="plain-syntax">();</span>
<span class="plain-syntax"> </span><span class="comment-syntax">Sound channel initialisation, and RNG fixing, must be done now rather</span>
<span class="plain-syntax"> </span><span class="comment-syntax">than later in case InitGlkWindow() returns a non-zero value.</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">glk_gestalt</span><span class="plain-syntax">(</span><span class="identifier-syntax">gestalt_Sound</span><span class="plain-syntax">, </span><span class="constant-syntax">0</span><span class="plain-syntax">)) {</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">gg_foregroundchan</span><span class="plain-syntax"> == </span><span class="constant-syntax">0</span><span class="plain-syntax">)</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">gg_foregroundchan</span><span class="plain-syntax"> = </span><span class="identifier-syntax">glk_schannel_create</span><span class="plain-syntax">(</span><span class="identifier-syntax">GG_FOREGROUNDCHAN_ROCK</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">gg_backgroundchan</span><span class="plain-syntax"> == </span><span class="constant-syntax">0</span><span class="plain-syntax">)</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">gg_backgroundchan</span><span class="plain-syntax"> = </span><span class="identifier-syntax">glk_schannel_create</span><span class="plain-syntax">(</span><span class="identifier-syntax">GG_BACKGROUNDCHAN_ROCK</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> }</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">BasicInformKit</span><span class="plain-syntax">`</span><span class="identifier-syntax">FIX_RNG_CFGF</span><span class="plain-syntax">) {</span>
<span class="plain-syntax"> @</span><span class="reserved-syntax">random</span><span class="plain-syntax"> </span><span class="constant-syntax">10000</span><span class="plain-syntax"> </span><span class="identifier-syntax">i</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">i</span><span class="plain-syntax"> = -</span><span class="identifier-syntax">i</span><span class="plain-syntax">-2000;</span>
<span class="plain-syntax"> @</span><span class="identifier-syntax">setrandom</span><span class="plain-syntax"> </span><span class="identifier-syntax">i</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> }</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">res</span><span class="plain-syntax"> = </span><span class="identifier-syntax">InitGlkWindow</span><span class="plain-syntax">(0);</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">res</span><span class="plain-syntax"> ~= </span><span class="constant-syntax">0</span><span class="plain-syntax">) </span><span class="reserved-syntax">return</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="comment-syntax">Now, gg_mainwin and gg_storywin might already be set. If not, set them.</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">gg_mainwin</span><span class="plain-syntax"> == </span><span class="constant-syntax">0</span><span class="plain-syntax">) {</span>
<span class="plain-syntax"> </span><span class="comment-syntax">Open the story window.</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">res</span><span class="plain-syntax"> = </span><span class="identifier-syntax">InitGlkWindow</span><span class="plain-syntax">(</span><span class="identifier-syntax">GG_MAINWIN_ROCK</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">res</span><span class="plain-syntax"> == </span><span class="constant-syntax">0</span><span class="plain-syntax">) {</span>
<span class="plain-syntax"> </span><span class="comment-syntax">Left-justify the header style</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">glk_stylehint_set</span><span class="plain-syntax">(</span><span class="identifier-syntax">wintype_TextBuffer</span><span class="plain-syntax">, </span><span class="identifier-syntax">style_Header</span><span class="plain-syntax">, </span><span class="identifier-syntax">stylehint_Justification</span><span class="plain-syntax">, </span><span class="constant-syntax">0</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="comment-syntax">Try to make emphasized type in italics and not boldface</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">glk_stylehint_set</span><span class="plain-syntax">(</span><span class="identifier-syntax">wintype_TextBuffer</span><span class="plain-syntax">, </span><span class="identifier-syntax">style_Emphasized</span><span class="plain-syntax">, </span><span class="identifier-syntax">stylehint_Weight</span><span class="plain-syntax">, </span><span class="constant-syntax">0</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">glk_stylehint_set</span><span class="plain-syntax">(</span><span class="identifier-syntax">wintype_TextBuffer</span><span class="plain-syntax">, </span><span class="identifier-syntax">style_Emphasized</span><span class="plain-syntax">, </span><span class="identifier-syntax">stylehint_Oblique</span><span class="plain-syntax">, </span><span class="constant-syntax">1</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">gg_mainwin</span><span class="plain-syntax"> = </span><span class="identifier-syntax">glk_window_open</span><span class="plain-syntax">(0, </span><span class="constant-syntax">0</span><span class="plain-syntax">, </span><span class="constant-syntax">0</span><span class="plain-syntax">, </span><span class="identifier-syntax">wintype_TextBuffer</span><span class="plain-syntax">, </span><span class="identifier-syntax">GG_MAINWIN_ROCK</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> }</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">gg_mainwin</span><span class="plain-syntax"> == </span><span class="constant-syntax">0</span><span class="plain-syntax">) </span><span class="reserved-syntax">quit</span><span class="plain-syntax">; </span><span class="comment-syntax">If we can't even open one window, give in</span>
<span class="plain-syntax"> } </span><span class="reserved-syntax">else</span><span class="plain-syntax"> {</span>
<span class="plain-syntax"> </span><span class="comment-syntax">There was already a story window. We should erase it.</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">glk_window_clear</span><span class="plain-syntax">(</span><span class="identifier-syntax">gg_mainwin</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> }</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">gg_statuswin</span><span class="plain-syntax"> == </span><span class="constant-syntax">0</span><span class="plain-syntax">) {</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">res</span><span class="plain-syntax"> = </span><span class="identifier-syntax">InitGlkWindow</span><span class="plain-syntax">(</span><span class="identifier-syntax">GG_STATUSWIN_ROCK</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">res</span><span class="plain-syntax"> == </span><span class="constant-syntax">0</span><span class="plain-syntax">) {</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">statuswin_cursize</span><span class="plain-syntax"> = </span><span class="identifier-syntax">statuswin_size</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">for</span><span class="plain-syntax"> (</span><span class="identifier-syntax">sty</span><span class="plain-syntax">=0: </span><span class="identifier-syntax">sty</span><span class="plain-syntax">&lt;</span><span class="identifier-syntax">style_NUMSTYLES</span><span class="plain-syntax">: </span><span class="identifier-syntax">sty</span><span class="plain-syntax">++)</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">glk_stylehint_set</span><span class="plain-syntax">(</span><span class="identifier-syntax">wintype_TextGrid</span><span class="plain-syntax">, </span><span class="identifier-syntax">sty</span><span class="plain-syntax">, </span><span class="identifier-syntax">stylehint_ReverseColor</span><span class="plain-syntax">, </span><span class="constant-syntax">1</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">gg_statuswin</span><span class="plain-syntax"> =</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">glk_window_open</span><span class="plain-syntax">(</span><span class="identifier-syntax">gg_mainwin</span><span class="plain-syntax">, </span><span class="identifier-syntax">winmethod_Fixed</span><span class="plain-syntax"> + </span><span class="identifier-syntax">winmethod_Above</span><span class="plain-syntax">,</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">statuswin_cursize</span><span class="plain-syntax">, </span><span class="identifier-syntax">wintype_TextGrid</span><span class="plain-syntax">, </span><span class="identifier-syntax">GG_STATUSWIN_ROCK</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> }</span>
<span class="plain-syntax"> }</span>
<span class="plain-syntax"> </span><span class="comment-syntax">It's possible that the status window couldn't be opened, in which case</span>
<span class="plain-syntax"> </span><span class="comment-syntax">gg_statuswin is now zero. We must allow for that later on.</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">glk_set_window</span><span class="plain-syntax">(</span><span class="identifier-syntax">gg_mainwin</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">InitGlkWindow</span><span class="plain-syntax">(1);</span>
<span class="plain-syntax"> </span><span class="comment-syntax">Empty the parse buffer (see bug 0001451)</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">buffer3</span><span class="plain-syntax">--&gt;0 = </span><span class="constant-syntax">0</span><span class="plain-syntax">;</span>
<span class="plain-syntax">];</span>
<span class="plain-syntax">[ </span><span class="identifier-syntax">GGRecoverObjects</span><span class="plain-syntax"> </span><span class="identifier-syntax">id</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="comment-syntax">If GGRecoverObjects() has been called, all these stored IDs are</span>
<span class="plain-syntax"> </span><span class="comment-syntax">invalid, so we start by clearing them all out.</span>
<span class="plain-syntax"> </span><span class="comment-syntax">(In fact, after a restoreundo, some of them may still be good.</span>
<span class="plain-syntax"> </span><span class="comment-syntax">For simplicity, though, we assume the general case.)</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">gg_mainwin</span><span class="plain-syntax"> = </span><span class="constant-syntax">0</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">gg_statuswin</span><span class="plain-syntax"> = </span><span class="constant-syntax">0</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">gg_quotewin</span><span class="plain-syntax"> = </span><span class="constant-syntax">0</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">gg_scriptfref</span><span class="plain-syntax"> = </span><span class="constant-syntax">0</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">gg_scriptstr</span><span class="plain-syntax"> = </span><span class="constant-syntax">0</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">gg_savestr</span><span class="plain-syntax"> = </span><span class="constant-syntax">0</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">statuswin_cursize</span><span class="plain-syntax"> = </span><span class="constant-syntax">0</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">gg_foregroundchan</span><span class="plain-syntax"> = </span><span class="constant-syntax">0</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">gg_backgroundchan</span><span class="plain-syntax"> = </span><span class="constant-syntax">0</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">gg_commandstr</span><span class="plain-syntax"> = </span><span class="constant-syntax">0</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">gg_command_reading</span><span class="plain-syntax"> = </span><span class="reserved-syntax">false</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="comment-syntax">Also tell the game to clear its object references.</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">IdentifyGlkObject</span><span class="plain-syntax">(0);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">id</span><span class="plain-syntax"> = </span><span class="identifier-syntax">glk_stream_iterate</span><span class="plain-syntax">(0, </span><span class="identifier-syntax">gg_arguments</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">while</span><span class="plain-syntax"> (</span><span class="identifier-syntax">id</span><span class="plain-syntax">) {</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">switch</span><span class="plain-syntax"> (</span><span class="identifier-syntax">gg_arguments</span><span class="plain-syntax">--&gt;0) {</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">GG_SAVESTR_ROCK</span><span class="plain-syntax">: </span><span class="identifier-syntax">gg_savestr</span><span class="plain-syntax"> = </span><span class="identifier-syntax">id</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">GG_SCRIPTSTR_ROCK</span><span class="plain-syntax">: </span><span class="identifier-syntax">gg_scriptstr</span><span class="plain-syntax"> = </span><span class="identifier-syntax">id</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">GG_COMMANDWSTR_ROCK</span><span class="plain-syntax">: </span><span class="identifier-syntax">gg_commandstr</span><span class="plain-syntax"> = </span><span class="identifier-syntax">id</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">gg_command_reading</span><span class="plain-syntax"> = </span><span class="reserved-syntax">false</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">GG_COMMANDRSTR_ROCK</span><span class="plain-syntax">: </span><span class="identifier-syntax">gg_commandstr</span><span class="plain-syntax"> = </span><span class="identifier-syntax">id</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">gg_command_reading</span><span class="plain-syntax"> = </span><span class="reserved-syntax">true</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">default</span><span class="plain-syntax">: </span><span class="identifier-syntax">IdentifyGlkObject</span><span class="plain-syntax">(1, </span><span class="constant-syntax">1</span><span class="plain-syntax">, </span><span class="identifier-syntax">id</span><span class="plain-syntax">, </span><span class="identifier-syntax">gg_arguments</span><span class="plain-syntax">--&gt;0);</span>
<span class="plain-syntax"> }</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">id</span><span class="plain-syntax"> = </span><span class="identifier-syntax">glk_stream_iterate</span><span class="plain-syntax">(</span><span class="identifier-syntax">id</span><span class="plain-syntax">, </span><span class="identifier-syntax">gg_arguments</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> }</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">id</span><span class="plain-syntax"> = </span><span class="identifier-syntax">glk_window_iterate</span><span class="plain-syntax">(0, </span><span class="identifier-syntax">gg_arguments</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">while</span><span class="plain-syntax"> (</span><span class="identifier-syntax">id</span><span class="plain-syntax">) {</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">switch</span><span class="plain-syntax"> (</span><span class="identifier-syntax">gg_arguments</span><span class="plain-syntax">--&gt;0) {</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">GG_MAINWIN_ROCK</span><span class="plain-syntax">: </span><span class="identifier-syntax">gg_mainwin</span><span class="plain-syntax"> = </span><span class="identifier-syntax">id</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">GG_STATUSWIN_ROCK</span><span class="plain-syntax">: </span><span class="identifier-syntax">gg_statuswin</span><span class="plain-syntax"> = </span><span class="identifier-syntax">id</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">GG_QUOTEWIN_ROCK</span><span class="plain-syntax">: </span><span class="identifier-syntax">gg_quotewin</span><span class="plain-syntax"> = </span><span class="identifier-syntax">id</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">default</span><span class="plain-syntax">: </span><span class="identifier-syntax">IdentifyGlkObject</span><span class="plain-syntax">(1, </span><span class="constant-syntax">0</span><span class="plain-syntax">, </span><span class="identifier-syntax">id</span><span class="plain-syntax">, </span><span class="identifier-syntax">gg_arguments</span><span class="plain-syntax">--&gt;0);</span>
<span class="plain-syntax"> }</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">id</span><span class="plain-syntax"> = </span><span class="identifier-syntax">glk_window_iterate</span><span class="plain-syntax">(</span><span class="identifier-syntax">id</span><span class="plain-syntax">, </span><span class="identifier-syntax">gg_arguments</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> }</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">id</span><span class="plain-syntax"> = </span><span class="identifier-syntax">glk_fileref_iterate</span><span class="plain-syntax">(0, </span><span class="identifier-syntax">gg_arguments</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">while</span><span class="plain-syntax"> (</span><span class="identifier-syntax">id</span><span class="plain-syntax">) {</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">switch</span><span class="plain-syntax"> (</span><span class="identifier-syntax">gg_arguments</span><span class="plain-syntax">--&gt;0) {</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">GG_SCRIPTFREF_ROCK</span><span class="plain-syntax">: </span><span class="identifier-syntax">gg_scriptfref</span><span class="plain-syntax"> = </span><span class="identifier-syntax">id</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">default</span><span class="plain-syntax">: </span><span class="identifier-syntax">IdentifyGlkObject</span><span class="plain-syntax">(1, </span><span class="constant-syntax">2</span><span class="plain-syntax">, </span><span class="identifier-syntax">id</span><span class="plain-syntax">, </span><span class="identifier-syntax">gg_arguments</span><span class="plain-syntax">--&gt;0);</span>
<span class="plain-syntax"> }</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">id</span><span class="plain-syntax"> = </span><span class="identifier-syntax">glk_fileref_iterate</span><span class="plain-syntax">(</span><span class="identifier-syntax">id</span><span class="plain-syntax">, </span><span class="identifier-syntax">gg_arguments</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> }</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">glk_gestalt</span><span class="plain-syntax">(</span><span class="identifier-syntax">gestalt_Sound</span><span class="plain-syntax">, </span><span class="constant-syntax">0</span><span class="plain-syntax">)) {</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">id</span><span class="plain-syntax"> = </span><span class="identifier-syntax">glk_schannel_iterate</span><span class="plain-syntax">(0, </span><span class="identifier-syntax">gg_arguments</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">while</span><span class="plain-syntax"> (</span><span class="identifier-syntax">id</span><span class="plain-syntax">) {</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">switch</span><span class="plain-syntax"> (</span><span class="identifier-syntax">gg_arguments</span><span class="plain-syntax">--&gt;0) {</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">GG_FOREGROUNDCHAN_ROCK</span><span class="plain-syntax">: </span><span class="identifier-syntax">gg_foregroundchan</span><span class="plain-syntax"> = </span><span class="identifier-syntax">id</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">GG_BACKGROUNDCHAN_ROCK</span><span class="plain-syntax">: </span><span class="identifier-syntax">gg_backgroundchan</span><span class="plain-syntax"> = </span><span class="identifier-syntax">id</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">default</span><span class="plain-syntax">: </span><span class="identifier-syntax">IdentifyGlkObject</span><span class="plain-syntax">(1, </span><span class="constant-syntax">3</span><span class="plain-syntax">, </span><span class="identifier-syntax">id</span><span class="plain-syntax">, </span><span class="identifier-syntax">gg_arguments</span><span class="plain-syntax">--&gt;0);</span>
<span class="plain-syntax"> }</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">id</span><span class="plain-syntax"> = </span><span class="identifier-syntax">glk_schannel_iterate</span><span class="plain-syntax">(</span><span class="identifier-syntax">id</span><span class="plain-syntax">, </span><span class="identifier-syntax">gg_arguments</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> }</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">gg_foregroundchan</span><span class="plain-syntax"> ~= </span><span class="constant-syntax">0</span><span class="plain-syntax">) { </span><span class="identifier-syntax">glk_schannel_stop</span><span class="plain-syntax">(</span><span class="identifier-syntax">gg_foregroundchan</span><span class="plain-syntax">); }</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">gg_backgroundchan</span><span class="plain-syntax"> ~= </span><span class="constant-syntax">0</span><span class="plain-syntax">) { </span><span class="identifier-syntax">glk_schannel_stop</span><span class="plain-syntax">(</span><span class="identifier-syntax">gg_backgroundchan</span><span class="plain-syntax">); }</span>
<span class="plain-syntax"> }</span>
<span class="plain-syntax"> </span><span class="comment-syntax">Tell the game to tie up any loose ends.</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">IdentifyGlkObject</span><span class="plain-syntax">(2);</span>
<span class="plain-syntax">];</span>
</pre>
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