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HTML
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
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<html>
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<head>
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<title>ZMachine Template</title>
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<link href="../docs-assets/Breadcrumbs.css" rel="stylesheet" rev="stylesheet" type="text/css">
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<meta name="viewport" content="width=device-width initial-scale=1">
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<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
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<meta http-equiv="Content-Language" content="en-gb">
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<link href="../docs-assets/Contents.css" rel="stylesheet" rev="stylesheet" type="text/css">
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<link href="../docs-assets/Progress.css" rel="stylesheet" rev="stylesheet" type="text/css">
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<link href="../docs-assets/Navigation.css" rel="stylesheet" rev="stylesheet" type="text/css">
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<link href="../docs-assets/Fonts.css" rel="stylesheet" rev="stylesheet" type="text/css">
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<link href="../docs-assets/Base.css" rel="stylesheet" rev="stylesheet" type="text/css">
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<link href="../docs-assets/Colours.css" rel="stylesheet" rev="stylesheet" type="text/css">
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</head>
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<body class="commentary-font">
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<nav role="navigation">
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<h1><a href="../index.html">
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<img src="../docs-assets/Inform.png" height=72">
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</a></h1>
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<ul><li><a href="../compiler.html">compiler tools</a></li>
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<li><a href="../other.html">other tools</a></li>
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<li><a href="../extensions.html">extensions and kits</a></li>
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<li><a href="../units.html">unit test tools</a></li>
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</ul><h2>Extensions</h2><ul>
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<li><a href="../basic_inform/index.html">basic_inform</a></li>
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<li><a href="../standard_rules/index.html">standard_rules</a></li>
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</ul><h2>Kits</h2><ul>
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<li><a href="../BasicInformKit/index.html">BasicInformKit</a></li>
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<li><a href="../BasicInformExtrasKit/index.html">BasicInformExtrasKit</a></li>
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<li><a href="../CommandParserKit/index.html">CommandParserKit</a></li>
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<li><a href="../EnglishLanguageKit/index.html">EnglishLanguageKit</a></li>
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<li><a href="index.html"><span class="selectedlink">WorldModelKit</span></a></li>
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</ul>
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</nav>
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<main role="main">
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<!--Weave of 'ZMachine Template' generated by Inweb-->
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<div class="breadcrumbs">
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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">WorldModelKit</a></li><li><b>ZMachine Template</b></li></ul></div>
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<p class="purpose">To provide Z-specific actions.</p>
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<ul class="toc"><li><a href="S-zmc.html#SP1">§1. Begin Z-only matter</a></li><li><a href="S-zmc.html#SP2">§2. Veneer</a></li><li><a href="S-zmc.html#SP3">§3. Quit The Game Rule</a></li><li><a href="S-zmc.html#SP4">§4. Restart The Game Rule</a></li><li><a href="S-zmc.html#SP5">§5. Restore The Game Rule</a></li><li><a href="S-zmc.html#SP6">§6. Save The Game Rule</a></li><li><a href="S-zmc.html#SP7">§7. Verify The Story File Rule</a></li><li><a href="S-zmc.html#SP8">§8. Switch Transcript On Rule</a></li><li><a href="S-zmc.html#SP9">§9. Switch Transcript Off Rule</a></li><li><a href="S-zmc.html#SP10">§10. Announce Story File Version Rule</a></li><li><a href="S-zmc.html#SP11">§11. Descend To Specific Action Rule</a></li><li><a href="S-zmc.html#SP12">§12. End Z-only matter</a></li></ul><hr class="tocbar">
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<p class="commentary firstcommentary"><a id="SP1" class="paragraph-anchor"></a><b>§1. Begin Z-only matter. </b></p>
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<pre class="displayed-code all-displayed-code code-font">
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<span class="plain-syntax">#</span><span class="identifier-syntax">Ifdef</span><span class="plain-syntax"> </span><span class="identifier-syntax">TARGET_ZCODE</span><span class="plain-syntax">;</span>
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</pre>
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<p class="commentary firstcommentary"><a id="SP2" class="paragraph-anchor"></a><b>§2. Veneer. </b></p>
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<pre class="displayed-code all-displayed-code code-font">
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<span class="plain-syntax">[ </span><span class="identifier-syntax">VM_Initialise</span><span class="plain-syntax"> </span><span class="identifier-syntax">i</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">standard_interpreter</span><span class="plain-syntax"> = </span><span class="identifier-syntax">HDR_TERPSTANDARD</span><span class="plain-syntax">-->0;</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">transcript_mode</span><span class="plain-syntax"> = ((</span><span class="identifier-syntax">HDR_GAMEFLAGS</span><span class="plain-syntax">-->0) & </span><span class="constant-syntax">1</span><span class="plain-syntax">);</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">dict_start</span><span class="plain-syntax"> = </span><span class="identifier-syntax">HDR_DICTIONARY</span><span class="plain-syntax">-->0;</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">dict_entry_size</span><span class="plain-syntax"> = </span><span class="identifier-syntax">dict_start</span><span class="plain-syntax">->(</span><span class="identifier-syntax">dict_start</span><span class="plain-syntax">->0 + </span><span class="constant-syntax">1</span><span class="plain-syntax">);</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">dict_start</span><span class="plain-syntax"> = </span><span class="identifier-syntax">dict_start</span><span class="plain-syntax"> + </span><span class="identifier-syntax">dict_start</span><span class="plain-syntax">->0 + </span><span class="constant-syntax">4</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">dict_end</span><span class="plain-syntax"> = </span><span class="identifier-syntax">dict_start</span><span class="plain-syntax"> + ((</span><span class="identifier-syntax">dict_start</span><span class="plain-syntax"> - </span><span class="constant-syntax">2</span><span class="plain-syntax">)-->0) * </span><span class="identifier-syntax">dict_entry_size</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">buffer</span><span class="plain-syntax">->0 = </span><span class="identifier-syntax">INPUT_BUFFER_LEN</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">buffer2</span><span class="plain-syntax">->0 = </span><span class="identifier-syntax">INPUT_BUFFER_LEN</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">buffer3</span><span class="plain-syntax">->0 = </span><span class="identifier-syntax">INPUT_BUFFER_LEN</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">parse</span><span class="plain-syntax">->0 = </span><span class="constant-syntax">15</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">parse2</span><span class="plain-syntax">->0 = </span><span class="constant-syntax">15</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">KIT_CONFIGURATION_BITMAP</span><span class="plain-syntax"> & </span><span class="identifier-syntax">FIX_RNG_TCBIT</span><span class="plain-syntax">) {</span>
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<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>
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<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>
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<span class="plain-syntax"> </span><span class="reserved-syntax">print</span><span class="plain-syntax"> </span><span class="string-syntax">"[Random number generator seed is "</span><span class="plain-syntax">, </span><span class="identifier-syntax">i</span><span class="plain-syntax">, </span><span class="string-syntax">"]^"</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> @</span><span class="reserved-syntax">random</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">;</span>
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<span class="plain-syntax"> }</span>
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<span class="plain-syntax">];</span>
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</pre>
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<p class="commentary firstcommentary"><a id="SP3" class="paragraph-anchor"></a><b>§3. Quit The Game Rule. </b></p>
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<pre class="displayed-code all-displayed-code code-font">
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<span class="plain-syntax">[ </span><span class="identifier-syntax">QUIT_THE_GAME_R</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">actor</span><span class="plain-syntax"> ~= </span><span class="identifier-syntax">player</span><span class="plain-syntax">) </span><span class="reserved-syntax">rfalse</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">QUIT_THE_GAME_RM</span><span class="plain-syntax">(</span><span class="character-syntax">'A'</span><span class="plain-syntax">);</span>
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<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">YesOrNo</span><span class="plain-syntax">()~=0) </span><span class="reserved-syntax">quit</span><span class="plain-syntax">;</span>
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<span class="plain-syntax">];</span>
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</pre>
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<p class="commentary firstcommentary"><a id="SP4" class="paragraph-anchor"></a><b>§4. Restart The Game Rule. </b></p>
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<pre class="displayed-code all-displayed-code code-font">
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<span class="plain-syntax">[ </span><span class="identifier-syntax">RESTART_THE_GAME_R</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">actor</span><span class="plain-syntax"> ~= </span><span class="identifier-syntax">player</span><span class="plain-syntax">) </span><span class="reserved-syntax">rfalse</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">RESTART_THE_GAME_RM</span><span class="plain-syntax">(</span><span class="character-syntax">'A'</span><span class="plain-syntax">);</span>
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<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">YesOrNo</span><span class="plain-syntax">()~=0) {</span>
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<span class="plain-syntax"> @</span><span class="identifier-syntax">restart</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">RESTART_THE_GAME_RM</span><span class="plain-syntax">(</span><span class="character-syntax">'B'</span><span class="plain-syntax">); </span><span class="reserved-syntax">new_line</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> }</span>
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<span class="plain-syntax">];</span>
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</pre>
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<p class="commentary firstcommentary"><a id="SP5" class="paragraph-anchor"></a><b>§5. Restore The Game Rule. </b></p>
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<pre class="displayed-code all-displayed-code code-font">
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<span class="plain-syntax">[ </span><span class="identifier-syntax">RESTORE_THE_GAME_R</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">actor</span><span class="plain-syntax"> ~= </span><span class="identifier-syntax">player</span><span class="plain-syntax">) </span><span class="reserved-syntax">rfalse</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> </span><span class="reserved-syntax">restore</span><span class="plain-syntax"> </span><span class="identifier-syntax">RMaybe</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">RESTORE_THE_GAME_RM</span><span class="plain-syntax">(</span><span class="character-syntax">'A'</span><span class="plain-syntax">); </span><span class="reserved-syntax">new_line</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> </span><span class="reserved-syntax">rtrue</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> .</span><span class="identifier-syntax">RMaybe</span><span class="plain-syntax">; </span><span class="identifier-syntax">RESTORE_THE_GAME_RM</span><span class="plain-syntax">(</span><span class="character-syntax">'B'</span><span class="plain-syntax">); </span><span class="reserved-syntax">new_line</span><span class="plain-syntax">;</span>
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<span class="plain-syntax">];</span>
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</pre>
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<p class="commentary firstcommentary"><a id="SP6" class="paragraph-anchor"></a><b>§6. Save The Game Rule. </b></p>
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<pre class="displayed-code all-displayed-code code-font">
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<span class="plain-syntax">[ </span><span class="identifier-syntax">SAVE_THE_GAME_R</span><span class="plain-syntax"> </span><span class="identifier-syntax">flag</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">actor</span><span class="plain-syntax"> ~= </span><span class="identifier-syntax">player</span><span class="plain-syntax">) </span><span class="reserved-syntax">rfalse</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> @</span><span class="reserved-syntax">save</span><span class="plain-syntax"> -> </span><span class="identifier-syntax">flag</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> </span><span class="reserved-syntax">switch</span><span class="plain-syntax"> (</span><span class="identifier-syntax">flag</span><span class="plain-syntax">) {</span>
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<span class="plain-syntax"> </span><span class="constant-syntax">0</span><span class="plain-syntax">: </span><span class="identifier-syntax">SAVE_THE_GAME_RM</span><span class="plain-syntax">(</span><span class="character-syntax">'A'</span><span class="plain-syntax">); </span><span class="reserved-syntax">new_line</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> </span><span class="constant-syntax">1</span><span class="plain-syntax">: </span><span class="identifier-syntax">SAVE_THE_GAME_RM</span><span class="plain-syntax">(</span><span class="character-syntax">'B'</span><span class="plain-syntax">); </span><span class="reserved-syntax">new_line</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> </span><span class="constant-syntax">2</span><span class="plain-syntax">: </span><span class="identifier-syntax">RESTORE_THE_GAME_RM</span><span class="plain-syntax">(</span><span class="character-syntax">'B'</span><span class="plain-syntax">); </span><span class="reserved-syntax">new_line</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> }</span>
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<span class="plain-syntax">];</span>
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</pre>
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<p class="commentary firstcommentary"><a id="SP7" class="paragraph-anchor"></a><b>§7. Verify The Story File Rule. </b>This is a fossil now, really, but in the days of Infocom, the 110K story
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file occupying an entire disc was a huge data set: floppy discs were by no
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means a reliable medium, and cheap hardware often used hit-and-miss
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components, as on the notorious Commodore 64 disc controller. If somebody
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experienced an apparent bug in play, it could easily be that he had a
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corrupt disc or was unable to read data of that density. So the VERIFY
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command, which took up to ten minutes on some early computers, would chug
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through the entire story file and compute a checksum, compare it against a
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known result in the header, and determine that the story file could or
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could not properly be read. The Z-machine provided this service as an
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opcode, and so Glulx followed suit.
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</p>
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<pre class="displayed-code all-displayed-code code-font">
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<span class="plain-syntax">[ </span><span class="identifier-syntax">VERIFY_THE_STORY_FILE_R</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">actor</span><span class="plain-syntax"> ~= </span><span class="identifier-syntax">player</span><span class="plain-syntax">) </span><span class="reserved-syntax">rfalse</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> @</span><span class="identifier-syntax">verify</span><span class="plain-syntax"> ?</span><span class="identifier-syntax">Vmaybe</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> </span><span class="reserved-syntax">jump</span><span class="plain-syntax"> </span><span class="identifier-syntax">Vwrong</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> .</span><span class="identifier-syntax">Vmaybe</span><span class="plain-syntax">; </span><span class="identifier-syntax">VERIFY_THE_STORY_FILE_RM</span><span class="plain-syntax">(</span><span class="character-syntax">'A'</span><span class="plain-syntax">); </span><span class="reserved-syntax">new_line</span><span class="plain-syntax">; </span><span class="reserved-syntax">rtrue</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> .</span><span class="identifier-syntax">Vwrong</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">VERIFY_THE_STORY_FILE_RM</span><span class="plain-syntax">(</span><span class="character-syntax">'B'</span><span class="plain-syntax">); </span><span class="reserved-syntax">new_line</span><span class="plain-syntax">;</span>
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<span class="plain-syntax">];</span>
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</pre>
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<p class="commentary firstcommentary"><a id="SP8" class="paragraph-anchor"></a><b>§8. Switch Transcript On Rule. </b></p>
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<pre class="displayed-code all-displayed-code code-font">
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<span class="plain-syntax">[ </span><span class="identifier-syntax">SWITCH_TRANSCRIPT_ON_R</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">actor</span><span class="plain-syntax"> ~= </span><span class="identifier-syntax">player</span><span class="plain-syntax">) </span><span class="reserved-syntax">rfalse</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">transcript_mode</span><span class="plain-syntax"> = ((0-->8) & </span><span class="constant-syntax">1</span><span class="plain-syntax">);</span>
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<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">transcript_mode</span><span class="plain-syntax">) { </span><span class="identifier-syntax">SWITCH_TRANSCRIPT_ON_RM</span><span class="plain-syntax">(</span><span class="character-syntax">'A'</span><span class="plain-syntax">); </span><span class="reserved-syntax">new_line</span><span class="plain-syntax">; </span><span class="reserved-syntax">rtrue</span><span class="plain-syntax">; }</span>
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<span class="plain-syntax"> @</span><span class="identifier-syntax">output_stream</span><span class="plain-syntax"> </span><span class="constant-syntax">2</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (((0-->8) & </span><span class="constant-syntax">1</span><span class="plain-syntax">) == </span><span class="constant-syntax">0</span><span class="plain-syntax">) { </span><span class="identifier-syntax">SWITCH_TRANSCRIPT_ON_RM</span><span class="plain-syntax">(</span><span class="character-syntax">'C'</span><span class="plain-syntax">); </span><span class="reserved-syntax">new_line</span><span class="plain-syntax">; </span><span class="reserved-syntax">rtrue</span><span class="plain-syntax">; }</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">SWITCH_TRANSCRIPT_ON_RM</span><span class="plain-syntax">(</span><span class="character-syntax">'B'</span><span class="plain-syntax">); </span><span class="reserved-syntax">new_line</span><span class="plain-syntax">; </span><span class="identifier-syntax">VersionSub</span><span class="plain-syntax">();</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">transcript_mode</span><span class="plain-syntax"> = </span><span class="reserved-syntax">true</span><span class="plain-syntax">;</span>
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<span class="plain-syntax">];</span>
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</pre>
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<p class="commentary firstcommentary"><a id="SP9" class="paragraph-anchor"></a><b>§9. Switch Transcript Off Rule. </b></p>
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<pre class="displayed-code all-displayed-code code-font">
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<span class="plain-syntax">[ </span><span class="identifier-syntax">SWITCH_TRANSCRIPT_OFF_R</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">actor</span><span class="plain-syntax"> ~= </span><span class="identifier-syntax">player</span><span class="plain-syntax">) </span><span class="reserved-syntax">rfalse</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">transcript_mode</span><span class="plain-syntax"> = ((0-->8) & </span><span class="constant-syntax">1</span><span class="plain-syntax">);</span>
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<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">transcript_mode</span><span class="plain-syntax"> == </span><span class="reserved-syntax">false</span><span class="plain-syntax">) { </span><span class="identifier-syntax">SWITCH_TRANSCRIPT_OFF_RM</span><span class="plain-syntax">(</span><span class="character-syntax">'A'</span><span class="plain-syntax">); </span><span class="reserved-syntax">new_line</span><span class="plain-syntax">; </span><span class="reserved-syntax">rtrue</span><span class="plain-syntax">; }</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">SWITCH_TRANSCRIPT_OFF_RM</span><span class="plain-syntax">(</span><span class="character-syntax">'B'</span><span class="plain-syntax">); </span><span class="reserved-syntax">new_line</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> @</span><span class="identifier-syntax">output_stream</span><span class="plain-syntax"> -2;</span>
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<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> ((0-->8) & </span><span class="constant-syntax">1</span><span class="plain-syntax">) { </span><span class="identifier-syntax">SWITCH_TRANSCRIPT_ON_RM</span><span class="plain-syntax">(</span><span class="character-syntax">'C'</span><span class="plain-syntax">); </span><span class="reserved-syntax">new_line</span><span class="plain-syntax">; </span><span class="reserved-syntax">rtrue</span><span class="plain-syntax">; }</span>
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|
<span class="plain-syntax"> </span><span class="identifier-syntax">transcript_mode</span><span class="plain-syntax"> = </span><span class="reserved-syntax">false</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax">];</span>
|
|
</pre>
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|
<p class="commentary firstcommentary"><a id="SP10" class="paragraph-anchor"></a><b>§10. Announce Story File Version Rule. </b></p>
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|
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|
<pre class="displayed-code all-displayed-code code-font">
|
|
<span class="plain-syntax">[ </span><span class="identifier-syntax">ANNOUNCE_STORY_FILE_VERSION_R</span><span class="plain-syntax"> </span><span class="identifier-syntax">ix</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">actor</span><span class="plain-syntax"> ~= </span><span class="identifier-syntax">player</span><span class="plain-syntax">) </span><span class="reserved-syntax">rfalse</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">Banner</span><span class="plain-syntax">();</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">print</span><span class="plain-syntax"> </span><span class="string-syntax">"Inform 7 v"</span><span class="plain-syntax">, (</span><span class="identifier-syntax">PrintI6Text</span><span class="plain-syntax">) </span><span class="identifier-syntax">I7_FULL_VERSION_NUMBER</span><span class="plain-syntax">, </span><span class="string-syntax">"^"</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">print</span><span class="plain-syntax"> </span><span class="string-syntax">"Identification number: "</span><span class="plain-syntax">;</span>
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|
<span class="plain-syntax"> </span><span class="reserved-syntax">for</span><span class="plain-syntax"> (</span><span class="identifier-syntax">ix</span><span class="plain-syntax">=6: </span><span class="identifier-syntax">ix</span><span class="plain-syntax"> <= </span><span class="identifier-syntax">UUID_ARRAY</span><span class="plain-syntax">->0: </span><span class="identifier-syntax">ix</span><span class="plain-syntax">++) </span><span class="reserved-syntax">print</span><span class="plain-syntax"> (</span><span class="identifier-syntax">char</span><span class="plain-syntax">) </span><span class="identifier-syntax">UUID_ARRAY</span><span class="plain-syntax">-></span><span class="identifier-syntax">ix</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">print</span><span class="plain-syntax"> </span><span class="string-syntax">"^"</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">ix</span><span class="plain-syntax"> = </span><span class="constant-syntax">0</span><span class="plain-syntax">; </span><span class="comment-syntax">shut up compiler warning</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">standard_interpreter</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">print</span><span class="plain-syntax"> </span><span class="string-syntax">"Standard interpreter "</span><span class="plain-syntax">,</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">standard_interpreter</span><span class="plain-syntax">/256, </span><span class="string-syntax">"."</span><span class="plain-syntax">, </span><span class="identifier-syntax">standard_interpreter</span><span class="plain-syntax">%256,</span>
|
|
<span class="plain-syntax"> </span><span class="string-syntax">" ("</span><span class="plain-syntax">, </span><span class="identifier-syntax">HDR_TERPNUMBER</span><span class="plain-syntax">->0;</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">print</span><span class="plain-syntax"> (</span><span class="identifier-syntax">char</span><span class="plain-syntax">) </span><span class="identifier-syntax">HDR_TERPVERSION</span><span class="plain-syntax">->0;</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">print</span><span class="plain-syntax"> </span><span class="string-syntax">")^"</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> } </span><span class="reserved-syntax">else</span><span class="plain-syntax"> {</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">print</span><span class="plain-syntax"> </span><span class="string-syntax">"Interpreter "</span><span class="plain-syntax">, </span><span class="identifier-syntax">HDR_TERPNUMBER</span><span class="plain-syntax">->0, </span><span class="string-syntax">" Version "</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">print</span><span class="plain-syntax"> (</span><span class="identifier-syntax">char</span><span class="plain-syntax">) </span><span class="identifier-syntax">HDR_TERPVERSION</span><span class="plain-syntax">->0;</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">print</span><span class="plain-syntax"> </span><span class="string-syntax">"^"</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> }</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">ShowExtensionVersions</span><span class="plain-syntax">();</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">say__p</span><span class="plain-syntax"> = </span><span class="constant-syntax">1</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax">];</span>
|
|
</pre>
|
|
<p class="commentary firstcommentary"><a id="SP11" class="paragraph-anchor"></a><b>§11. Descend To Specific Action Rule. </b>There are 100 or so actions, typically, and this rule is for efficiency's
|
|
sake: rather than perform 100 or so comparisons to see which routine to
|
|
call, we indirect through a jump table. The routines called are the <span class="extract"><span class="extract-syntax">-Sub</span></span>
|
|
routines: thus, for instance, if <span class="extract"><span class="extract-syntax">action</span></span> is <span class="extract"><span class="extract-syntax">##Wait</span></span> then <span class="extract"><span class="extract-syntax">WaitSub</span></span> is
|
|
called. It is essential that this routine not be called for fake actions:
|
|
in I7 use this is guaranteed, since fake actions are not allowed into the
|
|
action machinery at all.
|
|
</p>
|
|
|
|
<p class="commentary">Strangely, Glulx's action routines table is numbered in an off-by-one way
|
|
compared to the Z-machine's: hence the <span class="extract"><span class="extract-syntax">+1</span></span>.
|
|
</p>
|
|
|
|
<pre class="displayed-code all-displayed-code code-font">
|
|
<span class="plain-syntax">[ </span><span class="identifier-syntax">DESCEND_TO_SPECIFIC_ACTION_R</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">indirect</span><span class="plain-syntax">(#</span><span class="identifier-syntax">actions_table</span><span class="plain-syntax">--></span><span class="identifier-syntax">action</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">rtrue</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax">];</span>
|
|
</pre>
|
|
<p class="commentary firstcommentary"><a id="SP12" class="paragraph-anchor"></a><b>§12. End Z-only matter. </b></p>
|
|
|
|
<pre class="displayed-code all-displayed-code code-font">
|
|
<span class="plain-syntax">#</span><span class="identifier-syntax">Endif</span><span class="plain-syntax">; </span><span class="comment-syntax">TARGET_ZCODE</span>
|
|
</pre>
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