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+<title>machine — Ludic</title>
+<meta name="description" content="An explicit state machine over an int var — dispatches on the store&#x27;s value.">
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+<header class="nav"><div class="wrap nav-in"><a class="brand" href="index.html"><span class="logo">L</span> Ludic</a><button class="nav-toggle" aria-label="Toggle menu" aria-expanded="false">☰</button><nav class="nav-links"><a href="index.html">Home</a><a href="api.html">API Reference</a><a class="nav-cta" href="https://git.workshopsoft.io/workshopsoft/ludic">Source ↗</a></nav></div></header>
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+  <div class="crumbs"><a href="api.html">API Reference</a> <span>›</span> <a href="api.html#control">Control flow</a> <span>›</span> <span class="here">machine</span></div>
+  <div class="item-head">
+    <span class="kind-badge kind-keyword">keyword</span>
+    <h1 id="top">machine</h1>
+  </div>
+  <code class="sig">machine store { state Name { … } }</code>
+  <div class="desc"><p>A <code>machine</code> turns an integer store into an explicit state machine, replacing brittle <code>if phase == N</code> chains. It reads the store — a named program-scope <code>var</code> is the modern choice — and dispatches to the matching <code>state</code> block; inside a state, <code>become Name</code> transitions to another state of the same machine. States number themselves by declaration order (the first is <code>0</code>, the next <code>1</code>, and so on), so you never write magic constants, though <code>state Name = expr</code> is accepted when a state needs a specific value. Because <code>become</code> compiles to a single store back into the <code>var</code>, the whole machine lowers to plain branches with no dispatch table. Place a <code>machine</code> inside a handler so it runs each frame.</p></div>
+  
+  <div class="examples"><h2>Example</h2><pre data-lang="ludic">program TurnOrder {
+  enum Phase { KnightMenu, KnightResolve, EnemyTurn }
+  var battle_phase: int = Phase.KnightMenu
+
+  handler RunTurn phase Update {
+    machine battle_phase {
+      state KnightMenu {
+        if Input.key() == ' ' { become KnightResolve }
+      }
+      state KnightResolve {
+        become EnemyTurn
+      }
+      state EnemyTurn {
+        become KnightMenu
+      }
+    }
+  }
+
+  handler DrawWorld phase Render {
+    Screen.clear(Color.MidnightBlue)
+    Screen.draw_number(x: 8, y: 8, value: battle_phase, color: Color.Gold, scale: 2)
+    Screen.show()
+  }
+}</pre></div>
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