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<!DOCTYPE html><html class="default"><head><meta charSet="utf-8"/><meta http-equiv="x-ua-compatible" content="IE=edge"/><title>Example machines | JSSM, a JavaScript state machine - the FSM for FSL</title><meta name="description" content="Documentation for JSSM, a JavaScript state machine - the FSM for FSL"/><meta name="viewport" content="width=device-width, initial-scale=1"/><link rel="stylesheet" href="../assets/style.css"/><link rel="stylesheet" href="../assets/highlight.css"/><link rel="stylesheet" href="../assets/custom.css"/><script async src="../assets/search.js" id="search-script"></script><link rel="stylesheet" href="../assets/pages.css"/></head><body><script>document.body.classList.add(localStorage.getItem("tsd-theme") || "os")</script><header><div class="tsd-page-toolbar"><div class="container"><div class="table-wrap"><div class="table-cell" id="tsd-search" data-base=".."><div class="field"><label for="tsd-search-field" class="tsd-widget search no-caption">Search</label><input type="text" id="tsd-search-field"/></div><ul class="results"><li class="state loading">Preparing search index...</li><li class="state failure">The search index is not available</li></ul><a href="../index.html" class="title">JSSM, a JavaScript state machine - the FSM for FSL</a></div><div class="table-cell" id="tsd-widgets"><div id="tsd-filter"><a href="#" class="tsd-widget options no-caption" data-toggle="options">Options</a><div class="tsd-filter-group"><div class="tsd-select" id="tsd-filter-visibility"><span class="tsd-select-label">All</span><ul class="tsd-select-list"><li data-value="public">Public</li><li data-value="protected">Public/Protected</li><li data-value="private" class="selected">All</li></ul></div> <input type="checkbox" id="tsd-filter-inherited" checked/><label class="tsd-widget" for="tsd-filter-inherited">Inherited</label><input type="checkbox" id="tsd-filter-externals" checked/><label class="tsd-widget" for="tsd-filter-externals">Externals</label></div></div><a href="#" class="tsd-widget menu no-caption" data-toggle="menu">Menu</a></div></div></div></div><div class="tsd-page-title"><div class="container"><ul class="tsd-breadcrumb"><li><a href="../modules.html">JSSM, a JavaScript state machine - the FSM for FSL</a></li><li><span>Tutorials</span></li><li><a href="ExampleMachines.html">Example machines</a></li></ul><h1> Example machines </h1></div></div></header><div class="container container-main"><div class="row"><div class="col-8 col-content"><div class="tsd-panel tsd-typography">
<a href="#example-machines" id="example-machines" style="color: inherit; text-decoration: none;">
<h1>Example Machines</h1>
</a>
<p>These are tables of example machines.</p>
<p>If a cell is marked with a star ⭐, it is considered the preferred machine for that
specific example. So, you can see from the star on "edge kinds" that <code>Traffic light</code> is the preferred machine for that example, in <code>Useful Machines</code>.</p>
<p>If a machine has a coffee cup ☕, that machine uses that feature.</p>
<p> </p>
<p> </p>
<div class="rot_th_tab">
<a href="#useful-machines" id="useful-machines" style="color: inherit; text-decoration: none;">
<h2>Useful machines</h2>
</a>
<table>
<thead>
<tr>
<th>Name</th>
<th>#</th>
<th><span class="rot">Edge kinds</span></th>
<th><span class="rot">Actions</span></th>
<th><span class="rot">Hooks</span></th>
<th><span class="rot">Properties</span></th>
<th><span class="rot">Data</span></th>
<th><span class="rot">Sensors</span></th>
<th><span class="rot">After</span></th>
<th><span class="rot">Random edges</span></th>
<th><span class="rot">Input tape</span></th>
</tr>
</thead>
<tbody><tr>
<td><a href="#lightswitch">Light switch</a></td>
<td>2</td>
<td></td>
<td>⭐</td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
</tr>
<tr>
<td><a href="#trafficlight">Traffic light</a></td>
<td>4</td>
<td>⭐</td>
<td>☕</td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
</tr>
<tr>
<td><a href="#trafficintersection">Traffic intersection</a></td>
<td>7</td>
<td>☕</td>
<td>☕</td>
<td>☕</td>
<td>⭐</td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
</tr>
<tr>
<td>Practical intersection</td>
<td>-</td>
<td>☕</td>
<td>☕</td>
<td>☕</td>
<td>☕</td>
<td></td>
<td></td>
<td>⭐</td>
<td></td>
<td></td>
</tr>
<tr>
<td>Intersection classifier</td>
<td>-</td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td>⭐</td>
<td></td>
<td></td>
<td></td>
</tr>
<tr>
<td>Mealy vending machine</td>
<td>-</td>
<td></td>
<td>☕</td>
<td>⭐</td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
</tr>
<tr>
<td>Moore vending machine</td>
<td>-</td>
<td></td>
<td>☕</td>
<td>☕</td>
<td></td>
<td>⭐</td>
<td></td>
<td></td>
<td></td>
<td></td>
</tr>
<tr>
<td>Locking door</td>
<td>3</td>
<td></td>
<td>☕</td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
</tr>
<tr>
<td>Sally trap</td>
<td>3</td>
<td></td>
<td>☕</td>
<td>☕</td>
<td></td>
<td></td>
<td></td>
<td>☕</td>
<td></td>
<td></td>
</tr>
<tr>
<td>Hand counter</td>
<td>-</td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
</tr>
</tbody></table>
</div>
<p> </p>
<p> </p>
<div class="rot_th_tab">
<a href="#protocols" id="protocols" style="color: inherit; text-decoration: none;">
<h2>Protocols</h2>
</a>
<table>
<thead>
<tr>
<th>Name</th>
<th>#</th>
<th><span class="rot">Edge kinds</span></th>
<th><span class="rot">Actions</span></th>
<th><span class="rot">Hooks</span></th>
<th><span class="rot">Properties</span></th>
<th><span class="rot">Data</span></th>
<th><span class="rot">Sensors</span></th>
<th><span class="rot">After</span></th>
<th><span class="rot">Random edges</span></th>
<th><span class="rot">Input tape</span></th>
</tr>
</thead>
<tbody><tr>
<td><a href="#tcpip">TCP/IP</a></td>
<td>12</td>
<td></td>
<td>☕</td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
</tr>
<tr>
<td>BGP</td>
<td>-</td>
<td></td>
<td>☕</td>
<td>☕</td>
<td>☕</td>
<td>☕</td>
<td></td>
<td></td>
<td></td>
<td></td>
</tr>
<tr>
<td>SIP</td>
<td>-</td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
</tr>
<tr>
<td>eMMC Transfer Mode</td>
<td>-</td>
<td></td>
<td>☕</td>
<td>☕</td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
</tr>
<tr>
<td>HTTP (Color for 0.9/1.0/1.1/2/3)</td>
<td>-</td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
</tr>
</tbody></table>
</div>
<p> </p>
<p> </p>
<div class="rot_th_tab">
<a href="#documentary-machines" id="documentary-machines" style="color: inherit; text-decoration: none;">
<h2>Documentary machines</h2>
</a>
<table>
<thead>
<tr>
<th>Name</th>
<th>#</th>
<th><span class="rot">Edge kinds</span></th>
<th><span class="rot">Actions</span></th>
<th><span class="rot">Hooks</span></th>
<th><span class="rot">Properties</span></th>
<th><span class="rot">Data</span></th>
<th><span class="rot">Sensors</span></th>
<th><span class="rot">After</span></th>
<th><span class="rot">Random edges</span></th>
<th><span class="rot">Input tape</span></th>
</tr>
</thead>
<tbody><tr>
<td><a href="#statesofmatter">States of matter</a></td>
<td>4</td>
<td></td>
<td>☕</td>
<td></td>
<td>☕</td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
</tr>
<tr>
<td><a href="#waterphases">Water phases</a></td>
<td>4</td>
<td></td>
<td>☕</td>
<td></td>
<td></td>
<td></td>
<td>☕</td>
<td></td>
<td></td>
<td></td>
</tr>
<tr>
<td>Pseudoscience generator</td>
<td>18</td>
<td></td>
<td></td>
<td></td>
<td>☕</td>
<td>☕</td>
<td></td>
<td>☕</td>
<td>☕</td>
<td></td>
</tr>
<tr>
<td>Heartbeat (Little John)</td>
<td>-</td>
<td></td>
<td></td>
<td>☕</td>
<td></td>
<td></td>
<td></td>
<td>☕</td>
<td>☕</td>
<td></td>
</tr>
</tbody></table>
</div>
<p> </p>
<p> </p>
<div class="rot_th_tab">
<a href="#game-machines" id="game-machines" style="color: inherit; text-decoration: none;">
<h2>Game machines</h2>
</a>
<table>
<thead>
<tr>
<th>Name</th>
<th>#</th>
<th><span class="rot">Edge kinds</span></th>
<th><span class="rot">Actions</span></th>
<th><span class="rot">Hooks</span></th>
<th><span class="rot">Properties</span></th>
<th><span class="rot">Data</span></th>
<th><span class="rot">Sensors</span></th>
<th><span class="rot">After</span></th>
<th><span class="rot">Random edges</span></th>
<th><span class="rot">Input tape</span></th>
</tr>
</thead>
<tbody><tr>
<td>Pong AI</td>
<td>-</td>
<td></td>
<td></td>
<td></td>
<td>☕</td>
<td></td>
<td>☕</td>
<td>☕</td>
<td></td>
<td></td>
</tr>
<tr>
<td>Roguelike Troll</td>
<td>-</td>
<td>☕</td>
<td>☕</td>
<td>☕</td>
<td>☕</td>
<td>☕</td>
<td>☕</td>
<td></td>
<td></td>
<td></td>
</tr>
<tr>
<td>Play Craps</td>
<td>-</td>
<td></td>
<td></td>
<td>☕</td>
<td>☕</td>
<td>☕</td>
<td>☕</td>
<td></td>
<td>☕</td>
<td></td>
</tr>
<tr>
<td>Play Skunk</td>
<td>-</td>
<td></td>
<td></td>
<td>☕</td>
<td>☕</td>
<td>☕</td>
<td>☕</td>
<td></td>
<td>☕</td>
<td></td>
</tr>
<tr>
<td>Blackjack player</td>
<td>-</td>
<td></td>
<td></td>
<td></td>
<td>☕</td>
<td></td>
<td>☕</td>
<td></td>
<td>☕</td>
<td></td>
</tr>
<tr>
<td>Blackjack dealer</td>
<td>-</td>
<td></td>
<td></td>
<td></td>
<td>☕</td>
<td></td>
<td>☕</td>
<td></td>
<td>☕</td>
<td></td>
</tr>
<tr>
<td>Pair of Dice</td>
<td>-</td>
<td></td>
<td></td>
<td></td>
<td>☕</td>
<td></td>
<td></td>
<td>☕</td>
<td>☕</td>
<td></td>
</tr>
<tr>
<td>Deck of Cards</td>
<td>-</td>
<td></td>
<td>☕</td>
<td>☕</td>
<td>☕</td>
<td>☕</td>
<td></td>
<td>☕</td>
<td></td>
<td></td>
</tr>
<tr>
<td>Blackjack 1 on 1</td>
<td>-</td>
<td></td>
<td>☕</td>
<td>☕</td>
<td>☕</td>
<td>☕</td>
<td></td>
<td>☕</td>
<td></td>
<td></td>
</tr>
<tr>
<td>Tamagatchi</td>
<td>-</td>
<td></td>
<td>☕</td>
<td>☕</td>
<td>☕</td>
<td>☕</td>
<td>☕</td>
<td>☕</td>
<td>☕</td>
<td></td>
</tr>
<tr>
<td>Konami Code Detector</td>
<td>-</td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td>⭐</td>
</tr>
</tbody></table>
</div>
<p> </p>
<p> </p>
<div class="rot_th_tab">
<a href="#demonstration-machines" id="demonstration-machines" style="color: inherit; text-decoration: none;">
<h2>Demonstration machines</h2>
</a>
<table>
<thead>
<tr>
<th>Name</th>
<th>#</th>
<th><span class="rot">Edge kinds</span></th>
<th><span class="rot">Actions</span></th>
<th><span class="rot">Hooks</span></th>
<th><span class="rot">Properties</span></th>
<th><span class="rot">Data</span></th>
<th><span class="rot">Sensors</span></th>
<th><span class="rot">After</span></th>
<th><span class="rot">Random edges</span></th>
<th><span class="rot">Input tape</span></th>
</tr>
</thead>
<tbody><tr>
<td>Decision tree</td>
<td>-</td>
<td></td>
<td></td>
<td></td>
<td>☕</td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
</tr>
<tr>
<td>Random model</td>
<td>-</td>
<td></td>
<td></td>
<td></td>
<td>☕</td>
<td></td>
<td></td>
<td></td>
<td>☕</td>
<td></td>
</tr>
</tbody></table>
</div>
<p> </p>
<p> </p>
<div class="rot_th_tab">
<a href="#comedy-machines" id="comedy-machines" style="color: inherit; text-decoration: none;">
<h2>Comedy machines</h2>
</a>
<table>
<thead>
<tr>
<th>Name</th>
<th>#</th>
<th><span class="rot">Edge kinds</span></th>
<th><span class="rot">Actions</span></th>
<th><span class="rot">Hooks</span></th>
<th><span class="rot">Properties</span></th>
<th><span class="rot">Data</span></th>
<th><span class="rot">Sensors</span></th>
<th><span class="rot">After</span></th>
<th><span class="rot">Random edges</span></th>
<th><span class="rot">Input tape</span></th>
</tr>
</thead>
<tbody><tr>
<td>Is It Broke?</td>
<td>-</td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
</tr>
<tr>
<td>Punjabi name theory</td>
<td>-</td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
</tr>
<tr>
<td>Unprison your Think Rhino</td>
<td>-</td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
</tr>
<tr>
<td>Plugging in USB</td>
<td>-</td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
</tr>
</tbody></table>
</div>
<p> </p>
<p> </p>
<p> </p>
<a href="#useful-machines-1" id="useful-machines-1" style="color: inherit; text-decoration: none;">
<h1>Useful Machines</h1>
</a>
<p><a name="useful"></a><a href="#top">Back to top</a></p>
<p> </p>
<a href="#light-switch" id="light-switch" style="color: inherit; text-decoration: none;">
<h2>Light switch</h2>
</a>
<p><a name="lightswitch"></a></p>
<p>Pretty obvious two-stater. Starts in <code>Off</code>; switches back and forth on
<code>toggle</code>.</p>
<pre><code class="language-fsl"><span class="hl-9">Off</span><span class="hl-1"> </span><span class="hl-7">'toggle'</span><span class="hl-1"> </span><span class="hl-0"><=></span><span class="hl-1"> </span><span class="hl-7">'toggle'</span><span class="hl-1"> </span><span class="hl-9">On</span><span class="hl-1">;</span>
</code></pre>
<p> </p>
<p> </p>
<a href="#traffic-light" id="traffic-light" style="color: inherit; text-decoration: none;">
<h2>Traffic light</h2>
</a>
<p><a name="trafficlight"></a></p>
<p>Pretty obvious two-stater. Starts in <code>Off</code>; turns on with <code>enable</code>; when on,
cycles on <code>next</code>, or back to <code>Off</code> with <code>disable</code>. Does not offer <code>enable</code> or
<code>disable</code> when not appropriate.</p>
<pre><code class="language-fsl"><span class="hl-9">Off</span><span class="hl-1"> </span><span class="hl-7">'enable'</span><span class="hl-1"> </span><span class="hl-0">-></span><span class="hl-1"> </span><span class="hl-9">Red</span><span class="hl-1">;</span><br/><span class="hl-9">Red</span><span class="hl-1"> </span><span class="hl-7">'next'</span><span class="hl-1"> </span><span class="hl-0">=></span><span class="hl-1"> </span><span class="hl-9">Green</span><span class="hl-1"> </span><span class="hl-7">'next'</span><span class="hl-1"> </span><span class="hl-0">=></span><span class="hl-1"> </span><span class="hl-9">Yellow</span><span class="hl-1"> </span><span class="hl-7">'next'</span><span class="hl-1"> </span><span class="hl-0">=></span><span class="hl-1"> </span><span class="hl-9">Red</span><span class="hl-1">;</span><br/><span class="hl-1">[</span><span class="hl-9">Red</span><span class="hl-1"> </span><span class="hl-9">Yellow</span><span class="hl-1"> </span><span class="hl-9">Green</span><span class="hl-1">] </span><span class="hl-7">'disable'</span><span class="hl-1"> </span><span class="hl-0">~></span><span class="hl-1"> </span><span class="hl-9">Off</span><span class="hl-1">;</span>
</code></pre>
<p> </p>
<p> </p>
<a href="#traffic-intersection" id="traffic-intersection" style="color: inherit; text-decoration: none;">
<h2>Traffic intersection</h2>
</a>
<p><a name="trafficintersection"></a></p>
<p>Offers six states - red yellow green for north, and the same for east. Shows
red in the unnamed direction. Guarantees four-light sync at all times.</p>
<pre><code class="language-fsl"><span class="hl-9">Off</span><span class="hl-1"> </span><span class="hl-7">'enable'</span><span class="hl-1"> </span><span class="hl-0">-></span><span class="hl-1"> </span><span class="hl-9">GreenNorth</span><span class="hl-1">;</span><br/><br/><span class="hl-9">GreenNorth</span><span class="hl-1"> </span><span class="hl-7">'next'</span><span class="hl-1"> </span><span class="hl-0">=></span><span class="hl-1"> </span><span class="hl-9">YellowNorth</span><span class="hl-1"> </span><span class="hl-7">'next'</span><span class="hl-1"> </span><span class="hl-0">=></span><span class="hl-1"> </span><span class="hl-9">RedNorth</span><span class="hl-1"> </span><span class="hl-7">'next'</span><span class="hl-1"> </span><span class="hl-0">=></span><br/><span class="hl-9">GreenEast</span><span class="hl-1"> </span><span class="hl-7">'next'</span><span class="hl-1"> </span><span class="hl-0">=></span><span class="hl-1"> </span><span class="hl-9">YellowEast</span><span class="hl-1"> </span><span class="hl-7">'next'</span><span class="hl-1"> </span><span class="hl-0">=></span><span class="hl-1"> </span><span class="hl-9">RedEast</span><span class="hl-1"> </span><span class="hl-7">'next'</span><span class="hl-1"> </span><span class="hl-0">=></span><br/><span class="hl-9">GreenNorth</span><span class="hl-1">;</span><br/><br/><span class="hl-1">[</span><span class="hl-9">GreenNorth</span><span class="hl-1"> </span><span class="hl-9">YellowNorth</span><span class="hl-1"> </span><span class="hl-9">RedNorth</span><span class="hl-1"> </span><span class="hl-9">GreenEast</span><span class="hl-1"> </span><span class="hl-9">YellowEast</span><span class="hl-1"> </span><span class="hl-9">RedEast</span><span class="hl-1">] </span><span class="hl-7">'disable'</span><span class="hl-1"> </span><span class="hl-0">~></span><span class="hl-1"> </span><span class="hl-9">Off</span><span class="hl-1">;</span>
</code></pre>
<p> </p>
<p> </p>
<a href="#tcpip" id="tcpip" style="color: inherit; text-decoration: none;">
<h2>TCP/IP</h2>
</a>
<p><a name="tcpip"></a></p>
<p>TCP/IP, essentially the foundation of the internet, is fundamentally defined as
a state machine and currently codified on
<a href="https://datatracker.ietf.org/doc/html/rfc793">page 22 of RFC793</a>.</p>
<p>A TCP/IP socket both starts and ends in <code>Closed</code>.</p>
<pre><code class="language-fsl"><span class="hl-9">Closed</span><span class="hl-1"> </span><span class="hl-7">'Passive open'</span><span class="hl-1"> </span><span class="hl-0">-></span><span class="hl-1"> </span><span class="hl-9">Listen</span><span class="hl-1">;</span><br/><span class="hl-9">Closed</span><span class="hl-1"> </span><span class="hl-7">'Active Open / SYN'</span><span class="hl-1"> </span><span class="hl-0">-></span><span class="hl-1"> </span><span class="hl-9">SynSent</span><span class="hl-1">;</span><br/><br/><span class="hl-9">Listen</span><span class="hl-1"> </span><span class="hl-7">'Close'</span><span class="hl-1"> </span><span class="hl-0">-></span><span class="hl-1"> </span><span class="hl-9">Closed</span><span class="hl-1">;</span><br/><span class="hl-9">Listen</span><span class="hl-1"> </span><span class="hl-7">'Send / SYN'</span><span class="hl-1"> </span><span class="hl-0">-></span><span class="hl-1"> </span><span class="hl-9">SynSent</span><span class="hl-1">;</span><br/><span class="hl-9">Listen</span><span class="hl-1"> </span><span class="hl-7">'SYN / SYN+ACK'</span><span class="hl-1"> </span><span class="hl-0">-></span><span class="hl-1"> </span><span class="hl-9">SynRcvd</span><span class="hl-1">;</span><br/><br/><span class="hl-9">SynSent</span><span class="hl-1"> </span><span class="hl-7">'Close'</span><span class="hl-1"> </span><span class="hl-0">-></span><span class="hl-1"> </span><span class="hl-9">Closed</span><span class="hl-1">;</span><br/><span class="hl-9">SynSent</span><span class="hl-1"> </span><span class="hl-7">'SYN / SYN+ACK'</span><span class="hl-1"> </span><span class="hl-0">-></span><span class="hl-1"> </span><span class="hl-9">SynRcvd</span><span class="hl-1">;</span><br/><span class="hl-9">SynSent</span><span class="hl-1"> </span><span class="hl-7">'SYN+ACK / ACK'</span><span class="hl-1"> </span><span class="hl-0">-></span><span class="hl-1"> </span><span class="hl-9">Established</span><span class="hl-1">;</span><br/><br/><span class="hl-9">SynRcvd</span><span class="hl-1"> </span><span class="hl-7">'Timeout / RST'</span><span class="hl-1"> </span><span class="hl-0">-></span><span class="hl-1"> </span><span class="hl-9">Closed</span><span class="hl-1">;</span><br/><span class="hl-9">SynRcvd</span><span class="hl-1"> </span><span class="hl-7">'Close / FIN'</span><span class="hl-1"> </span><span class="hl-0">-></span><span class="hl-1"> </span><span class="hl-9">FinWait1</span><span class="hl-1">;</span><br/><span class="hl-9">SynRcvd</span><span class="hl-1"> </span><span class="hl-7">'ACK'</span><span class="hl-1"> </span><span class="hl-0">-></span><span class="hl-1"> </span><span class="hl-9">Established</span><span class="hl-1">;</span><br/><br/><span class="hl-9">Established</span><span class="hl-1"> </span><span class="hl-7">'Close / FIN'</span><span class="hl-1"> </span><span class="hl-0">-></span><span class="hl-1"> </span><span class="hl-9">FinWait1</span><span class="hl-1">;</span><br/><span class="hl-9">Established</span><span class="hl-1"> </span><span class="hl-7">'FIN / ACK'</span><span class="hl-1"> </span><span class="hl-0">-></span><span class="hl-1"> </span><span class="hl-9">CloseWait</span><span class="hl-1">;</span><br/><br/><span class="hl-9">FinWait1</span><span class="hl-1"> </span><span class="hl-7">'FIN / ACK'</span><span class="hl-1"> </span><span class="hl-0">-></span><span class="hl-1"> </span><span class="hl-9">Closing</span><span class="hl-1">;</span><br/><span class="hl-9">FinWait1</span><span class="hl-1"> </span><span class="hl-7">'FIN+ACK / ACK'</span><span class="hl-1"> </span><span class="hl-0">-></span><span class="hl-1"> </span><span class="hl-9">TimeWait</span><span class="hl-1">;</span><br/><span class="hl-9">FinWait1</span><span class="hl-1"> </span><span class="hl-7">'ACK / Nothing'</span><span class="hl-1"> </span><span class="hl-0">-></span><span class="hl-1"> </span><span class="hl-9">FinWait2</span><span class="hl-1">;</span><br/><br/><span class="hl-9">FinWait2</span><span class="hl-1"> </span><span class="hl-7">'FIN / ACK'</span><span class="hl-1"> </span><span class="hl-0">-></span><span class="hl-1"> </span><span class="hl-9">TimeWait</span><span class="hl-1">;</span><br/><span class="hl-9">Closing</span><span class="hl-1"> </span><span class="hl-7">'ACK'</span><span class="hl-1"> </span><span class="hl-0">-></span><span class="hl-1"> </span><span class="hl-9">TimeWait</span><span class="hl-1">;</span><br/><span class="hl-9">TimeWait</span><span class="hl-1"> </span><span class="hl-7">'Up to 2*MSL'</span><span class="hl-1"> </span><span class="hl-0">-></span><span class="hl-1"> </span><span class="hl-9">Closed</span><span class="hl-1">;</span><br/><span class="hl-9">CloseWait</span><span class="hl-1"> </span><span class="hl-7">'Close / FIN'</span><span class="hl-1"> </span><span class="hl-0">-></span><span class="hl-1"> </span><span class="hl-9">LastAck</span><span class="hl-1">;</span><br/><br/><span class="hl-9">LastAck</span><span class="hl-1"> </span><span class="hl-7">'ACK'</span><span class="hl-1"> </span><span class="hl-0">-></span><span class="hl-1"> </span><span class="hl-9">Closed</span><span class="hl-1">;</span>
</code></pre>
<p>If you want to play golf, you can get that down to seven lines using lists and
chaining:</p>
<pre><code class="language-fsl"><span class="hl-9">Closed</span><span class="hl-1"> </span><span class="hl-7">'Passive open'</span><span class="hl-1"> </span><span class="hl-0">-></span><span class="hl-1"> </span><span class="hl-9">Listen</span><span class="hl-1"> </span><span class="hl-7">'Send / SYN'</span><span class="hl-1"> </span><span class="hl-0">-></span><span class="hl-1"> </span><span class="hl-9">SynSent</span><span class="hl-1">;</span><br/><span class="hl-1">[</span><span class="hl-9">Listen</span><span class="hl-1"> </span><span class="hl-9">SynSent</span><span class="hl-1">] </span><span class="hl-7">'Close'</span><span class="hl-1"> </span><span class="hl-0">-></span><span class="hl-1"> </span><span class="hl-9">Closed</span><span class="hl-1"> </span><span class="hl-7">'Active Open / SYN'</span><span class="hl-1"> </span><span class="hl-0">-></span><span class="hl-1"> </span><span class="hl-9">SynSent</span><span class="hl-1"> </span><span class="hl-7">'SYN+ACK / ACK'</span><span class="hl-1"> </span><span class="hl-0">-></span><span class="hl-1"> </span><span class="hl-9">Established</span><span class="hl-1"> </span><span class="hl-7">'FIN / ACK'</span><span class="hl-1"> </span><span class="hl-0">-></span><span class="hl-1"> </span><span class="hl-9">CloseWait</span><span class="hl-1"> </span><span class="hl-7">'Close / FIN'</span><span class="hl-1"> </span><span class="hl-0">-></span><span class="hl-1"> </span><span class="hl-9">LastAck</span><span class="hl-1"> </span><span class="hl-7">'ACK'</span><span class="hl-1"> </span><span class="hl-0">-></span><span class="hl-1"> </span><span class="hl-9">Closed</span><span class="hl-1">;</span><br/><span class="hl-1">[</span><span class="hl-9">SynRcvd</span><span class="hl-1"> </span><span class="hl-9">Established</span><span class="hl-1">] </span><span class="hl-7">'Close / FIN'</span><span class="hl-1"> </span><span class="hl-0">-></span><span class="hl-1"> </span><span class="hl-9">FinWait1</span><span class="hl-1"> </span><span class="hl-7">'FIN / ACK'</span><span class="hl-1"> </span><span class="hl-0">-></span><span class="hl-1"> </span><span class="hl-9">Closing</span><span class="hl-1"> </span><span class="hl-7">'ACK'</span><span class="hl-1"> </span><span class="hl-0">-></span><span class="hl-1"> </span><span class="hl-9">TimeWait</span><br/><span class="hl-1">[</span><span class="hl-9">Listen</span><span class="hl-1"> </span><span class="hl-9">SynSent</span><span class="hl-1">] </span><span class="hl-7">'SYN / SYN+ACK'</span><span class="hl-1"> </span><span class="hl-0">-></span><span class="hl-1"> </span><span class="hl-9">SynRcvd</span><span class="hl-1"> </span><span class="hl-7">'Timeout / RST'</span><span class="hl-1"> </span><span class="hl-0">-></span><span class="hl-1"> </span><span class="hl-9">Closed</span><span class="hl-1">;</span><br/><span class="hl-9">FinWait1</span><span class="hl-1"> </span><span class="hl-7">'FIN+ACK / ACK'</span><span class="hl-1"> </span><span class="hl-0">-></span><span class="hl-1"> </span><span class="hl-9">TimeWait</span><span class="hl-1"> </span><span class="hl-7">'Up to 2*MSL'</span><span class="hl-1"> </span><span class="hl-0">-></span><span class="hl-1"> </span><span class="hl-9">Closed</span><span class="hl-1">;</span><br/><span class="hl-9">FinWait1</span><span class="hl-1"> </span><span class="hl-7">'ACK / Nothing'</span><span class="hl-1"> </span><span class="hl-0">-></span><span class="hl-1"> </span><span class="hl-9">FinWait2</span><span class="hl-1"> </span><span class="hl-7">'FIN / ACK'</span><span class="hl-1"> </span><span class="hl-0">-></span><span class="hl-1"> </span><span class="hl-9">TimeWait</span><span class="hl-1">;</span><br/><span class="hl-9">SynRcvd</span><span class="hl-1"> </span><span class="hl-7">'ACK'</span><span class="hl-1"> </span><span class="hl-0">-></span><span class="hl-1"> </span><span class="hl-9">Established</span><span class="hl-1">;</span>
</code></pre>
<p> </p>
<p> </p>
<p> </p>
<a href="#comedy-machines-1" id="comedy-machines-1" style="color: inherit; text-decoration: none;">
<h1>Comedy Machines</h1>
</a>
<p><a name="comedy"></a><a href="#top">Back to top</a></p>
<p> </p>
<a href="#is-it-broke" id="is-it-broke" style="color: inherit; text-decoration: none;">
<h2>Is it broke?</h2>
</a>
<p><a name="isitbroke"></a></p>
<a href="#punjabi-name-theory" id="punjabi-name-theory" style="color: inherit; text-decoration: none;">
<h2>Punjabi Name Theory</h2>
</a>
<p><a name="punjabinametheory"></a></p>
<a href="#unprison-your-think-rhino" id="unprison-your-think-rhino" style="color: inherit; text-decoration: none;">
<h2>Unprison Your Think Rhino</h2>
</a>
<p><a name="unprisonyourthinkrhino"></a></p>
<a href="#pluggging-in-usb" id="pluggging-in-usb" style="color: inherit; text-decoration: none;">
<h2>Pluggging In USB</h2>
</a>
<p><a name="plugginginusb"></a></p>
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