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-rw-r--r--projects/12/ScreenTest/Main.jack36
-rw-r--r--projects/12/ScreenTest/ScreenTestOutput.gifbin0 -> 4563 bytes
2 files changed, 36 insertions, 0 deletions
diff --git a/projects/12/ScreenTest/Main.jack b/projects/12/ScreenTest/Main.jack
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+// 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;
+ }
+}
diff --git a/projects/12/ScreenTest/ScreenTestOutput.gif b/projects/12/ScreenTest/ScreenTestOutput.gif
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+++ b/projects/12/ScreenTest/ScreenTestOutput.gif
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