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