From d3a0cc3a8ba6dfeb64d3faeffdeb6845b60e5840 Mon Sep 17 00:00:00 2001
From: Yuchen Pei <me@ypei.me>
Date: Sat, 20 Jan 2018 15:41:49 +0100
Subject: rearranged the dir for github
- removed tools and pdfs
- rearranged the projects dirs
- added md files
- other minor changes
---
projects/12/ScreenTest/Main.jack | 36 ---
projects/12/ScreenTest/Main.vm | 104 ------
projects/12/ScreenTest/Math.jack | 158 ----------
projects/12/ScreenTest/Math.vm | 472 ----------------------------
projects/12/ScreenTest/Screen.jack | 138 --------
projects/12/ScreenTest/Screen.vm | 407 ------------------------
projects/12/ScreenTest/ScreenTestOutput.gif | Bin 4563 -> 0 bytes
7 files changed, 1315 deletions(-)
delete mode 100644 projects/12/ScreenTest/Main.jack
delete mode 100644 projects/12/ScreenTest/Main.vm
delete mode 100644 projects/12/ScreenTest/Math.jack
delete mode 100644 projects/12/ScreenTest/Math.vm
delete mode 100644 projects/12/ScreenTest/Screen.jack
delete mode 100644 projects/12/ScreenTest/Screen.vm
delete mode 100644 projects/12/ScreenTest/ScreenTestOutput.gif
(limited to 'projects/12/ScreenTest')
diff --git a/projects/12/ScreenTest/Main.jack b/projects/12/ScreenTest/Main.jack
deleted file mode 100644
index 00f36bd..0000000
--- a/projects/12/ScreenTest/Main.jack
+++ /dev/null
@@ -1,36 +0,0 @@
-// 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/Main.vm b/projects/12/ScreenTest/Main.vm
deleted file mode 100644
index 69e860f..0000000
--- a/projects/12/ScreenTest/Main.vm
+++ /dev/null
@@ -1,104 +0,0 @@
-function Main.main 0
-push constant 0
-push constant 220
-push constant 511
-push constant 220
-call Screen.drawLine 4
-pop temp 0
-push constant 280
-push constant 90
-push constant 410
-push constant 220
-call Screen.drawRectangle 4
-pop temp 0
-push constant 0
-call Screen.setColor 1
-pop temp 0
-push constant 350
-push constant 120
-push constant 390
-push constant 219
-call Screen.drawRectangle 4
-pop temp 0
-push constant 292
-push constant 120
-push constant 332
-push constant 150
-call Screen.drawRectangle 4
-pop temp 0
-push constant 0
-not
-call Screen.setColor 1
-pop temp 0
-push constant 360
-push constant 170
-push constant 3
-call Screen.drawCircle 3
-pop temp 0
-push constant 280
-push constant 90
-push constant 345
-push constant 35
-call Screen.drawLine 4
-pop temp 0
-push constant 345
-push constant 35
-push constant 410
-push constant 90
-call Screen.drawLine 4
-pop temp 0
-push constant 140
-push constant 60
-push constant 30
-call Screen.drawCircle 3
-pop temp 0
-push constant 140
-push constant 26
-push constant 140
-push constant 6
-call Screen.drawLine 4
-pop temp 0
-push constant 163
-push constant 35
-push constant 178
-push constant 20
-call Screen.drawLine 4
-pop temp 0
-push constant 174
-push constant 60
-push constant 194
-push constant 60
-call Screen.drawLine 4
-pop temp 0
-push constant 163
-push constant 85
-push constant 178
-push constant 100
-call Screen.drawLine 4
-pop temp 0
-push constant 140
-push constant 94
-push constant 140
-push constant 114
-call Screen.drawLine 4
-pop temp 0
-push constant 117
-push constant 85
-push constant 102
-push constant 100
-call Screen.drawLine 4
-pop temp 0
-push constant 106
-push constant 60
-push constant 86
-push constant 60
-call Screen.drawLine 4
-pop temp 0
-push constant 117
-push constant 35
-push constant 102
-push constant 20
-call Screen.drawLine 4
-pop temp 0
-push constant 0
-return
diff --git a/projects/12/ScreenTest/Math.jack b/projects/12/ScreenTest/Math.jack
deleted file mode 100644
index 01bce8f..0000000
--- a/projects/12/ScreenTest/Math.jack
+++ /dev/null
@@ -1,158 +0,0 @@
-// 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/Math.jack
-
-/**
- * A library of commonly used mathematical functions.
- * Note: Jack compilers implement multiplication and division using OS method calls.
- */
-class Math {
- static Array twoToThe;
-
- /** Initializes the library. */
- function void init() {
- var int i, x;
- let x = 1;
- let i = 0;
- let twoToThe = Array.new(16);
- while (i < 16){
- let twoToThe[i] = x;
- let x = x + x;
- let i = i + 1;
- }
- return;
- }
-
- function boolean bit(int x, int i) {
- return ~(x & twoToThe[i] = 0);
- }
-
- function int sign(int x) {
- if (x > 0) {
- return 1;
- } else {
- if (x < 0) {
- return -1;
- } else {
- return 0;
- }
- }
- }
-
- /** Returns the absolute value of x. */
- function int abs(int x) {
- if (x > 0){
- return x;
- } else {
- return -x;
- }
- }
-
- /** Returns the product of x and y.
- * When a Jack compiler detects the multiplication operator '*' in the
- * program's code, it handles it by invoking this method. In other words,
- * the Jack expressions x*y and multiply(x,y) return the same value.
- */
- function int multiply(int x, int y) {
- var int res, shiftedX, i;
- let shiftedX = x;
- let i = 0;
- let res = 0;
- //while ((~(twoToThe[i] > y)) & (i < 16)) {
- while (i < 16) {
- if (Math.bit(y, i)){
- let res = res + shiftedX;
- }
- let shiftedX = shiftedX + shiftedX;
- let i = i + 1;
- }
- return res;
- }
-
- /** Returns the integer part of x/y.
- * When a Jack compiler detects the multiplication operator '/' in the
- * program's code, it handles it by invoking this method. In other words,
- * the Jack expressions x/y and divide(x,y) return the same value.
- */
- function int divide(int x, int y) {
- var int ax, ay;
- if (x > 0) {
- if (y > 0) {
- return Math.divide1(x, y);
- } else {
- return -Math.divide1(x, -y);
- }
- } else {
- if (y > 0) {
- return -Math.divide1(-x, y);
- } else {
- return Math.divide1(-x, -y);
- }
- }
- }
-
- function int divide1(int x, int y) {
- var int q;
- if (y = 0) {
- do Output.printString("Error: division by zero.");
- do Sys.error(0);
- }
- if ((y > x) | (y < 0)) {
- return 0;
- }
- let q = Math.divide1(x, y * 2);
- if (x - (2 * q * y) < y) {
- return 2 * q;
- } else {
- return 2 * q + 1;
- }
- }
-
- function int length(int x){
- var int n;
- let n = 14;
- while (twoToThe[n] > x){
- let n = n - 1;
- }
- return n;
- }
-
- /** Returns the integer part of the square root of x. */
- function int sqrt(int x) {
- var int y, k, z, w;
- if (x < 0) {
- do Output.printString("Error: square rooting a negative number.");
- do Sys.error(0);
- }
- let k = Math.length(x) / 2;
- let y = 0;
- while (~(k < 0)) {
- let z = y + twoToThe[k];
- let w = z * z;
- if ((~(w > x)) & (w > 0)) {
- let y = z;
- }
- let k = k - 1;
- }
- return y;
- }
-
- /** Returns the greater number. */
- function int max(int a, int b) {
- if (a > b) {
- return a;
- } else {
- return b;
- }
- }
-
- /** Returns the smaller number. */
- function int min(int a, int b) {
- if (a < b) {
- return a;
- } else {
- return b;
- }
- }
-}
diff --git a/projects/12/ScreenTest/Math.vm b/projects/12/ScreenTest/Math.vm
deleted file mode 100644
index 513fc1a..0000000
--- a/projects/12/ScreenTest/Math.vm
+++ /dev/null
@@ -1,472 +0,0 @@
-function Math.init 2
-push constant 1
-pop local 1
-push constant 0
-pop local 0
-push constant 16
-call Array.new 1
-pop static 0
-label WHILE_EXP0
-push local 0
-push constant 16
-lt
-not
-if-goto WHILE_END0
-push local 0
-push static 0
-add
-push local 1
-pop temp 0
-pop pointer 1
-push temp 0
-pop that 0
-push local 1
-push local 1
-add
-pop local 1
-push local 0
-push constant 1
-add
-pop local 0
-goto WHILE_EXP0
-label WHILE_END0
-push constant 0
-return
-function Math.bit 0
-push argument 0
-push argument 1
-push static 0
-add
-pop pointer 1
-push that 0
-and
-push constant 0
-eq
-not
-return
-function Math.sign 0
-push argument 0
-push constant 0
-gt
-if-goto IF_TRUE0
-goto IF_FALSE0
-label IF_TRUE0
-push constant 1
-return
-goto IF_END0
-label IF_FALSE0
-push argument 0
-push constant 0
-lt
-if-goto IF_TRUE1
-goto IF_FALSE1
-label IF_TRUE1
-push constant 1
-neg
-return
-goto IF_END1
-label IF_FALSE1
-push constant 0
-return
-label IF_END1
-label IF_END0
-function Math.abs 0
-push argument 0
-push constant 0
-gt
-if-goto IF_TRUE0
-goto IF_FALSE0
-label IF_TRUE0
-push argument 0
-return
-goto IF_END0
-label IF_FALSE0
-push argument 0
-neg
-return
-label IF_END0
-function Math.multiply 3
-push argument 0
-pop local 1
-push constant 0
-pop local 2
-push constant 0
-pop local 0
-label WHILE_EXP0
-push local 2
-push constant 16
-lt
-not
-if-goto WHILE_END0
-push argument 1
-push local 2
-call Math.bit 2
-if-goto IF_TRUE0
-goto IF_FALSE0
-label IF_TRUE0
-push local 0
-push local 1
-add
-pop local 0
-label IF_FALSE0
-push local 1
-push local 1
-add
-pop local 1
-push local 2
-push constant 1
-add
-pop local 2
-goto WHILE_EXP0
-label WHILE_END0
-push local 0
-return
-function Math.divide 2
-push argument 0
-push constant 0
-gt
-if-goto IF_TRUE0
-goto IF_FALSE0
-label IF_TRUE0
-push argument 1
-push constant 0
-gt
-if-goto IF_TRUE1
-goto IF_FALSE1
-label IF_TRUE1
-push argument 0
-push argument 1
-call Math.divide1 2
-return
-goto IF_END1
-label IF_FALSE1
-push argument 0
-push argument 1
-neg
-call Math.divide1 2
-neg
-return
-label IF_END1
-goto IF_END0
-label IF_FALSE0
-push argument 1
-push constant 0
-gt
-if-goto IF_TRUE2
-goto IF_FALSE2
-label IF_TRUE2
-push argument 0
-neg
-push argument 1
-call Math.divide1 2
-neg
-return
-goto IF_END2
-label IF_FALSE2
-push argument 0
-neg
-push argument 1
-neg
-call Math.divide1 2
-return
-label IF_END2
-label IF_END0
-function Math.divide1 1
-push argument 1
-push constant 0
-eq
-if-goto IF_TRUE0
-goto IF_FALSE0
-label IF_TRUE0
-push constant 24
-call String.new 1
-push constant 69
-call String.appendChar 2
-push constant 114
-call String.appendChar 2
-push constant 114
-call String.appendChar 2
-push constant 111
-call String.appendChar 2
-push constant 114
-call String.appendChar 2
-push constant 58
-call String.appendChar 2
-push constant 32
-call String.appendChar 2
-push constant 100
-call String.appendChar 2
-push constant 105
-call String.appendChar 2
-push constant 118
-call String.appendChar 2
-push constant 105
-call String.appendChar 2
-push constant 115
-call String.appendChar 2
-push constant 105
-call String.appendChar 2
-push constant 111
-call String.appendChar 2
-push constant 110
-call String.appendChar 2
-push constant 32
-call String.appendChar 2
-push constant 98
-call String.appendChar 2
-push constant 121
-call String.appendChar 2
-push constant 32
-call String.appendChar 2
-push constant 122
-call String.appendChar 2
-push constant 101
-call String.appendChar 2
-push constant 114
-call String.appendChar 2
-push constant 111
-call String.appendChar 2
-push constant 46
-call String.appendChar 2
-call Output.printString 1
-pop temp 0
-push constant 0
-call Sys.error 1
-pop temp 0
-label IF_FALSE0
-push argument 1
-push argument 0
-gt
-push argument 1
-push constant 0
-lt
-or
-if-goto IF_TRUE1
-goto IF_FALSE1
-label IF_TRUE1
-push constant 0
-return
-label IF_FALSE1
-push argument 0
-push argument 1
-push constant 2
-call Math.multiply 2
-call Math.divide1 2
-pop local 0
-push argument 0
-push constant 2
-push local 0
-call Math.multiply 2
-push argument 1
-call Math.multiply 2
-sub
-push argument 1
-lt
-if-goto IF_TRUE2
-goto IF_FALSE2
-label IF_TRUE2
-push constant 2
-push local 0
-call Math.multiply 2
-return
-goto IF_END2
-label IF_FALSE2
-push constant 2
-push local 0
-call Math.multiply 2
-push constant 1
-add
-return
-label IF_END2
-function Math.length 1
-push constant 14
-pop local 0
-label WHILE_EXP0
-push local 0
-push static 0
-add
-pop pointer 1
-push that 0
-push argument 0
-gt
-not
-if-goto WHILE_END0
-push local 0
-push constant 1
-sub
-pop local 0
-goto WHILE_EXP0
-label WHILE_END0
-push local 0
-return
-function Math.sqrt 4
-push argument 0
-push constant 0
-lt
-if-goto IF_TRUE0
-goto IF_FALSE0
-label IF_TRUE0
-push constant 40
-call String.new 1
-push constant 69
-call String.appendChar 2
-push constant 114
-call String.appendChar 2
-push constant 114
-call String.appendChar 2
-push constant 111
-call String.appendChar 2
-push constant 114
-call String.appendChar 2
-push constant 58
-call String.appendChar 2
-push constant 32
-call String.appendChar 2
-push constant 115
-call String.appendChar 2
-push constant 113
-call String.appendChar 2
-push constant 117
-call String.appendChar 2
-push constant 97
-call String.appendChar 2
-push constant 114
-call String.appendChar 2
-push constant 101
-call String.appendChar 2
-push constant 32
-call String.appendChar 2
-push constant 114
-call String.appendChar 2
-push constant 111
-call String.appendChar 2
-push constant 111
-call String.appendChar 2
-push constant 116
-call String.appendChar 2
-push constant 105
-call String.appendChar 2
-push constant 110
-call String.appendChar 2
-push constant 103
-call String.appendChar 2
-push constant 32
-call String.appendChar 2
-push constant 97
-call String.appendChar 2
-push constant 32
-call String.appendChar 2
-push constant 110
-call String.appendChar 2
-push constant 101
-call String.appendChar 2
-push constant 103
-call String.appendChar 2
-push constant 97
-call String.appendChar 2
-push constant 116
-call String.appendChar 2
-push constant 105
-call String.appendChar 2
-push constant 118
-call String.appendChar 2
-push constant 101
-call String.appendChar 2
-push constant 32
-call String.appendChar 2
-push constant 110
-call String.appendChar 2
-push constant 117
-call String.appendChar 2
-push constant 109
-call String.appendChar 2
-push constant 98
-call String.appendChar 2
-push constant 101
-call String.appendChar 2
-push constant 114
-call String.appendChar 2
-push constant 46
-call String.appendChar 2
-call Output.printString 1
-pop temp 0
-push constant 0
-call Sys.error 1
-pop temp 0
-label IF_FALSE0
-push argument 0
-call Math.length 1
-push constant 2
-call Math.divide 2
-pop local 1
-push constant 0
-pop local 0
-label WHILE_EXP0
-push local 1
-push constant 0
-lt
-not
-not
-if-goto WHILE_END0
-push local 0
-push local 1
-push static 0
-add
-pop pointer 1
-push that 0
-add
-pop local 2
-push local 2
-push local 2
-call Math.multiply 2
-pop local 3
-push local 3
-push argument 0
-gt
-not
-push local 3
-push constant 0
-gt
-and
-if-goto IF_TRUE1
-goto IF_FALSE1
-label IF_TRUE1
-push local 2
-pop local 0
-label IF_FALSE1
-push local 1
-push constant 1
-sub
-pop local 1
-goto WHILE_EXP0
-label WHILE_END0
-push local 0
-return
-function Math.max 0
-push argument 0
-push argument 1
-gt
-if-goto IF_TRUE0
-goto IF_FALSE0
-label IF_TRUE0
-push argument 0
-return
-goto IF_END0
-label IF_FALSE0
-push argument 1
-return
-label IF_END0
-function Math.min 0
-push argument 0
-push argument 1
-lt
-if-goto IF_TRUE0
-goto IF_FALSE0
-label IF_TRUE0
-push argument 0
-return
-goto IF_END0
-label IF_FALSE0
-push argument 1
-return
-label IF_END0
diff --git a/projects/12/ScreenTest/Screen.jack b/projects/12/ScreenTest/Screen.jack
deleted file mode 100644
index a370ab9..0000000
--- a/projects/12/ScreenTest/Screen.jack
+++ /dev/null
@@ -1,138 +0,0 @@
-// 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/Screen.jack
-
-/**
- * A library of functions for displaying graphics on the screen.
- * The Hack physical screen consists of 512 rows (indexed 0..511, top to bottom)
- * of 256 pixels each (indexed 0..255, left to right). The top left pixel on
- * the screen is indexed (0,0).
- */
-class Screen {
- static Array twoToThe;
- static Array screen;
- static boolean color;
-
- /** Initializes the Screen. */
- function void init() {
- var int i, x;
- let x = 1;
- let i = 0;
- let twoToThe = Array.new(16);
- while (i < 16){
- let twoToThe[i] = x;
- let x = x + x;
- let i = i + 1;
- }
- let screen = 16384;
- let color = true;
- return;
- }
-
- /** Erases the entire screen. */
- function void clearScreen() {
- var boolean c;
- let c = color;
- let color = false;
- do Screen.drawRectangle(0, 0, 511, 255);
- let color = c;
- return;
- }
-
- /** Sets the current color, to be used for all subsequent drawXXX commands.
- * Black is represented by true, white by false. */
- function void setColor(boolean b) {
- let color = b;
- return;
- }
-
- /** Draws the (x,y) pixel, using the current color. */
- function void drawPixel(int x, int y) {
- var int addr, t;
- if ((x < 0) | (y < 0) | (x > 511) | (y > 255)) {
- //String.println("drawPixel: coordinates out of range!");
- //Sys.error(2);
- return;
- }
- let t = x / 16;
- let addr = 32 * y + t;
- if (color) {
- let screen[addr] = screen[addr] | twoToThe[x - (t * 16)];
- } else {
- let screen[addr] = screen[addr] & (- (twoToThe[x - (t * 16)] + 1));
- }
- return;
- }
-
- /** Draws a line from pixel (x1,y1) to pixel (x2,y2), using the current color. */
- function void drawLine(int x1, int y1, int x2, int y2) {
- var int dx, dy, x, y, a, b, diff;
- let x = x1;
- let y = y1;
- do Screen.drawPixel(x, y);
- if (x1 = x2) {
- if (y1 = y2) {
- return;
- } else {
- let diff = 1;
- }
- } else {
- if (y1 = y2) {
- let diff = -1;
- } else {
- let diff = 0;
- }
- }
- let dx = x2 - x1;
- let dy = y2 - y1;
- let a = Math.sign(dx);
- let b = Math.sign(dy);
- let dx = Math.abs(dx);
- let dy = Math.abs(dy);
- while (~((x = x2) & (y = y2))) {
- if (diff < 0){
- let x = x + a;
- let diff = diff + dy;
- } else {
- let y = y + b;
- let diff = diff - dx;
- }
- do Screen.drawPixel(x, y);
- }
- return;
- }
-
- /** Draws a filled rectangle whose top left corner is (x1, y1)
- * and bottom right corner is (x2,y2), using the current color. */
- function void drawRectangle(int x1, int y1, int x2, int y2) {
- var int x;
- if ((x1 > x2) | (y1 > y2)) {
- return;
- }
- let x = x1;
- while (~(x > x2)) {
- do Screen.drawLine(x, y1, x, y2);
- let x = x + 1;
- }
- return;
- }
-
- /** Draws a filled circle of radius r<=181 around (x,y), using the current color. */
- function void drawCircle(int x, int y, int r) {
- var int dx, dy, r2;
- if (r > 181) {
- do String.println("drawCircle: radius too big!");
- do Sys.error(2);
- return;
- }
- let dy = -r;
- let r2 = r * r;
- while (~(dy > r)) {
- let dx = Math.sqrt(r2 - (dy * dy));
- do Screen.drawLine(x - dx, y + dy, x + dx, y + dy);
- let dy = dy + 1;
- }
- return;
- }
-}
diff --git a/projects/12/ScreenTest/Screen.vm b/projects/12/ScreenTest/Screen.vm
deleted file mode 100644
index 8468225..0000000
--- a/projects/12/ScreenTest/Screen.vm
+++ /dev/null
@@ -1,407 +0,0 @@
-function Screen.init 2
-push constant 1
-pop local 1
-push constant 0
-pop local 0
-push constant 16
-call Array.new 1
-pop static 0
-label WHILE_EXP0
-push local 0
-push constant 16
-lt
-not
-if-goto WHILE_END0
-push local 0
-push static 0
-add
-push local 1
-pop temp 0
-pop pointer 1
-push temp 0
-pop that 0
-push local 1
-push local 1
-add
-pop local 1
-push local 0
-push constant 1
-add
-pop local 0
-goto WHILE_EXP0
-label WHILE_END0
-push constant 16384
-pop static 1
-push constant 0
-not
-pop static 2
-push constant 0
-return
-function Screen.clearScreen 1
-push static 2
-pop local 0
-push constant 0
-pop static 2
-push constant 0
-push constant 0
-push constant 511
-push constant 255
-call Screen.drawRectangle 4
-pop temp 0
-push local 0
-pop static 2
-push constant 0
-return
-function Screen.setColor 0
-push argument 0
-pop static 2
-push constant 0
-return
-function Screen.drawPixel 2
-push argument 0
-push constant 0
-lt
-push argument 1
-push constant 0
-lt
-or
-push argument 0
-push constant 511
-gt
-or
-push argument 1
-push constant 255
-gt
-or
-if-goto IF_TRUE0
-goto IF_FALSE0
-label IF_TRUE0
-push constant 0
-return
-label IF_FALSE0
-push argument 0
-push constant 16
-call Math.divide 2
-pop local 1
-push constant 32
-push argument 1
-call Math.multiply 2
-push local 1
-add
-pop local 0
-push static 2
-if-goto IF_TRUE1
-goto IF_FALSE1
-label IF_TRUE1
-push local 0
-push static 1
-add
-push local 0
-push static 1
-add
-pop pointer 1
-push that 0
-push argument 0
-push local 1
-push constant 16
-call Math.multiply 2
-sub
-push static 0
-add
-pop pointer 1
-push that 0
-or
-pop temp 0
-pop pointer 1
-push temp 0
-pop that 0
-goto IF_END1
-label IF_FALSE1
-push local 0
-push static 1
-add
-push local 0
-push static 1
-add
-pop pointer 1
-push that 0
-push argument 0
-push local 1
-push constant 16
-call Math.multiply 2
-sub
-push static 0
-add
-pop pointer 1
-push that 0
-push constant 1
-add
-neg
-and
-pop temp 0
-pop pointer 1
-push temp 0
-pop that 0
-label IF_END1
-push constant 0
-return
-function Screen.drawLine 7
-push argument 0
-pop local 2
-push argument 1
-pop local 3
-push local 2
-push local 3
-call Screen.drawPixel 2
-pop temp 0
-push argument 0
-push argument 2
-eq
-if-goto IF_TRUE0
-goto IF_FALSE0
-label IF_TRUE0
-push argument 1
-push argument 3
-eq
-if-goto IF_TRUE1
-goto IF_FALSE1
-label IF_TRUE1
-push constant 0
-return
-goto IF_END1
-label IF_FALSE1
-push constant 1
-pop local 6
-label IF_END1
-goto IF_END0
-label IF_FALSE0
-push argument 1
-push argument 3
-eq
-if-goto IF_TRUE2
-goto IF_FALSE2
-label IF_TRUE2
-push constant 1
-neg
-pop local 6
-goto IF_END2
-label IF_FALSE2
-push constant 0
-pop local 6
-label IF_END2
-label IF_END0
-push argument 2
-push argument 0
-sub
-pop local 0
-push argument 3
-push argument 1
-sub
-pop local 1
-push local 0
-call Math.sign 1
-pop local 4
-push local 1
-call Math.sign 1
-pop local 5
-push local 0
-call Math.abs 1
-pop local 0
-push local 1
-call Math.abs 1
-pop local 1
-label WHILE_EXP0
-push local 2
-push argument 2
-eq
-push local 3
-push argument 3
-eq
-and
-not
-not
-if-goto WHILE_END0
-push local 6
-push constant 0
-lt
-if-goto IF_TRUE3
-goto IF_FALSE3
-label IF_TRUE3
-push local 2
-push local 4
-add
-pop local 2
-push local 6
-push local 1
-add
-pop local 6
-goto IF_END3
-label IF_FALSE3
-push local 3
-push local 5
-add
-pop local 3
-push local 6
-push local 0
-sub
-pop local 6
-label IF_END3
-push local 2
-push local 3
-call Screen.drawPixel 2
-pop temp 0
-goto WHILE_EXP0
-label WHILE_END0
-push constant 0
-return
-function Screen.drawRectangle 1
-push argument 0
-push argument 2
-gt
-push argument 1
-push argument 3
-gt
-or
-if-goto IF_TRUE0
-goto IF_FALSE0
-label IF_TRUE0
-push constant 0
-return
-label IF_FALSE0
-push argument 0
-pop local 0
-label WHILE_EXP0
-push local 0
-push argument 2
-gt
-not
-not
-if-goto WHILE_END0
-push local 0
-push argument 1
-push local 0
-push argument 3
-call Screen.drawLine 4
-pop temp 0
-push local 0
-push constant 1
-add
-pop local 0
-goto WHILE_EXP0
-label WHILE_END0
-push constant 0
-return
-function Screen.drawCircle 3
-push argument 2
-push constant 181
-gt
-if-goto IF_TRUE0
-goto IF_FALSE0
-label IF_TRUE0
-push constant 27
-call String.new 1
-push constant 100
-call String.appendChar 2
-push constant 114
-call String.appendChar 2
-push constant 97
-call String.appendChar 2
-push constant 119
-call String.appendChar 2
-push constant 67
-call String.appendChar 2
-push constant 105
-call String.appendChar 2
-push constant 114
-call String.appendChar 2
-push constant 99
-call String.appendChar 2
-push constant 108
-call String.appendChar 2
-push constant 101
-call String.appendChar 2
-push constant 58
-call String.appendChar 2
-push constant 32
-call String.appendChar 2
-push constant 114
-call String.appendChar 2
-push constant 97
-call String.appendChar 2
-push constant 100
-call String.appendChar 2
-push constant 105
-call String.appendChar 2
-push constant 117
-call String.appendChar 2
-push constant 115
-call String.appendChar 2
-push constant 32
-call String.appendChar 2
-push constant 116
-call String.appendChar 2
-push constant 111
-call String.appendChar 2
-push constant 111
-call String.appendChar 2
-push constant 32
-call String.appendChar 2
-push constant 98
-call String.appendChar 2
-push constant 105
-call String.appendChar 2
-push constant 103
-call String.appendChar 2
-push constant 33
-call String.appendChar 2
-call String.println 1
-pop temp 0
-push constant 2
-call Sys.error 1
-pop temp 0
-push constant 0
-return
-label IF_FALSE0
-push argument 2
-neg
-pop local 1
-push argument 2
-push argument 2
-call Math.multiply 2
-pop local 2
-label WHILE_EXP0
-push local 1
-push argument 2
-gt
-not
-not
-if-goto WHILE_END0
-push local 2
-push local 1
-push local 1
-call Math.multiply 2
-sub
-call Math.sqrt 1
-pop local 0
-push argument 0
-push local 0
-sub
-push argument 1
-push local 1
-add
-push argument 0
-push local 0
-add
-push argument 1
-push local 1
-add
-call Screen.drawLine 4
-pop temp 0
-push local 1
-push constant 1
-add
-pop local 1
-goto WHILE_EXP0
-label WHILE_END0
-push constant 0
-return
diff --git a/projects/12/ScreenTest/ScreenTestOutput.gif b/projects/12/ScreenTest/ScreenTestOutput.gif
deleted file mode 100644
index f1742cc..0000000
Binary files a/projects/12/ScreenTest/ScreenTestOutput.gif and /dev/null differ
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