43 lines
1.2 KiB
Plaintext
43 lines
1.2 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/12/OutputTest/Main.jack
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/** Test program for the OS Output class. */
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class Main {
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/** Outputs the entire character set to the screen using all the
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* methods of the Output class. */
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function void main() {
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var String s;
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let s = String.new(1);
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do s.appendChar(String.doubleQuote());
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do Output.moveCursor(0, 63);
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do Output.printChar(66);
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do Output.moveCursor(22, 0);
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do Output.printChar(67);
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do Output.moveCursor(22, 63);
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do Output.printChar(68);
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do Output.printChar(65);
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do Output.moveCursor(2, 0);
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do Output.printString("0123456789");
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do Output.println();
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do Output.printString("ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz");
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do Output.println();
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do Output.printString("!#$%&'()*+,-./:;<=>?@[\]^_`{|}~");
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do Output.printString(s);
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do Output.println();
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do Output.printInt(-12345);
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do Output.backSpace();
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do Output.printInt(6789);
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return;
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}
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}
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