nand2tetris/nand2tetris-suite/projects/12/ScreenTest/Main.jack

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2021-09-29 13:13:29 +02:00
// 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/12/ScreenTest/Main.jack
/** Test program for the OS Screen class. */
class Main {
/** Draws a sample pictue on the screen using lines and circles. */
function void main() {
do Screen.drawLine(0,220,511,220); // base line
do Screen.drawRectangle(280,90,410,220); // house
do Screen.setColor(false);
do Screen.drawRectangle(350,120,390,219); // door
do Screen.drawRectangle(292,120,332,150); // window
do Screen.setColor(true);
do Screen.drawCircle(360,170,3); // door handle
do Screen.drawLine(280,90,345,35); // roof
do Screen.drawLine(345,35,410,90); // roof
do Screen.drawCircle(140,60,30); // sun
do Screen.drawLine(140,26, 140, 6);
do Screen.drawLine(163,35,178,20);
do Screen.drawLine(174,60,194,60);
do Screen.drawLine(163,85,178,100);
do Screen.drawLine(140,94,140,114);
do Screen.drawLine(117,85,102,100);
do Screen.drawLine(106,60,86,60);
do Screen.drawLine(117,35,102,20);
return;
}
}