From a000308104aab27c2dde9a306f1bc654b2db4806 Mon Sep 17 00:00:00 2001
From: Yuchen Pei <me@ypei.me>
Date: Wed, 29 Nov 2017 12:30:41 +0100
Subject: first commit

---
 projects/10/Square/Main.jack | 36 ++++++++++++++++++++++++++++++++++++
 1 file changed, 36 insertions(+)
 create mode 100644 projects/10/Square/Main.jack

(limited to 'projects/10/Square/Main.jack')

diff --git a/projects/10/Square/Main.jack b/projects/10/Square/Main.jack
new file mode 100644
index 0000000..0b9e4cb
--- /dev/null
+++ b/projects/10/Square/Main.jack
@@ -0,0 +1,36 @@
+// This file is part of www.nand2tetris.org
+// and the book "The Elements of Computing Systems"
+// by Nisan and Schocken, MIT Press.
+// File name: projects/10/Square/Main.jack
+
+// (derived from projects/09/Square/Main.jack, with testing additions)
+
+/** Initializes a new Square Dance game and starts running it. */
+class Main {
+    static boolean test;    // Added for testing -- there is no static keyword
+                            // in the Square files.
+    function void main() {
+      var SquareGame game;
+      let game = SquareGame.new();
+      do game.run();
+      do game.dispose();
+      return;
+    }
+
+    function void test() {  // Added to test Jack syntax that is not use in
+        var int i, j;       // the Square files.
+        var String s;
+        var Array a;
+        if (false) {
+            let s = "string constant";
+            let s = null;
+            let a[1] = a[2];
+        }
+        else {              // There is no else keyword in the Square files.
+            let i = i * (-j);
+            let j = j / (-2);   // note: unary negate constant 2
+            let i = i | j;
+        }
+        return;
+    }
+}
-- 
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