diff options
| author | Yuchen Pei <me@ypei.me> | 2018-01-17 16:06:50 +0100 |
|---|---|---|
| committer | Yuchen Pei <me@ypei.me> | 2018-01-17 16:06:50 +0100 |
| commit | c3598a26ab4ba0562ede74b37dc2a7aa6907640a (patch) | |
| tree | 858047df30d06258eef8ec799b25012fd5f674b6 /projects/12/KeyboardTest | |
| parent | ee04ea4cf4e679b53180bcbbef8705078457af33 (diff) | |
finished Keyboard
Diffstat (limited to 'projects/12/KeyboardTest')
| -rw-r--r-- | projects/12/KeyboardTest/Keyboard.jack | 125 | ||||
| -rw-r--r-- | projects/12/KeyboardTest/Keyboard.vm | 310 | ||||
| -rw-r--r-- | projects/12/KeyboardTest/Main.vm | 949 |
3 files changed, 1384 insertions, 0 deletions
diff --git a/projects/12/KeyboardTest/Keyboard.jack b/projects/12/KeyboardTest/Keyboard.jack new file mode 100644 index 0000000..2aba72e --- /dev/null +++ b/projects/12/KeyboardTest/Keyboard.jack @@ -0,0 +1,125 @@ +// 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/Keyboard.jack
+
+/**
+ * A library for handling user input from the keyboard.
+ */
+class Keyboard {
+
+ /** Initializes the keyboard. */
+ function void init() {
+ return;
+ }
+
+ /**
+ * Returns the character of the currently pressed key on the keyboard;
+ * if no key is currently pressed, returns 0.
+ *
+ * Recognizes all ASCII characters, as well as the following keys:
+ * new line = 128 = String.newline()
+ * backspace = 129 = String.backspace()
+ * left arrow = 130
+ * up arrow = 131
+ * right arrow = 132
+ * down arrow = 133
+ * home = 134
+ * End = 135
+ * page up = 136
+ * page down = 137
+ * insert = 138
+ * delete = 139
+ * ESC = 140
+ * F1 - F12 = 141 - 152
+ */
+ function char keyPressed() {
+ return Memory.peek(24576);
+ }
+
+ /**
+ * Waits until a key is pressed on the keyboard and released,
+ * then echoes the key to the screen, and returns the character
+ * of the pressed key.
+ */
+ function char readChar() {
+ var int key, key1;
+ let key = 0;
+ while (key = 0) {
+ let key = Memory.peek(24576);
+ }
+ let key1 = key;
+ while (key1 = key) {
+ let key1 = Memory.peek(24576);
+ }
+ if ((key > 31) & (key < 127) | (key = 128) | (key = 129)) {
+ do Output.printChar(key);
+ }
+ return key;
+ }
+
+ /**
+ * Displays the message on the screen, reads from the keyboard the entered
+ * text until a newline character is detected, echoes the text to the screen,
+ * and returns its value. Also handles user backspaces.
+ */
+ function String readLine(String message) {
+ var int c;
+ var String s;
+ let s = String.new(140);
+ do Output.printString(message);
+ let c = Keyboard.readChar();
+ while (~(c = 128)) {
+ if (c = 129) {
+ if (s.length() > 0) {
+ do s.eraseLastChar();
+ }
+ } else {
+ do s.appendChar(c);
+ }
+ let c = Keyboard.readChar();
+ }
+ return s;
+ }
+
+ /**
+ * Displays the message on the screen, reads from the keyboard the entered
+ * text until a newline character is detected, echoes the text to the screen,
+ * and returns its integer value (until the first non-digit character in the
+ * entered text is detected). Also handles user backspaces.
+ */
+ function int readInt(String message) {
+ var int n, i;
+ var char t;
+ var String s;
+ var boolean neg, done;
+ do Output.printString(message);
+ let n = 0;
+ let neg = false;
+ let s = Keyboard.readLine("");
+ let i = 0;
+ if (s.charAt(0) = 45) {
+ let i = 1;
+ let neg = true;
+ }
+ let t = s.charAt(i);
+ if ((t < 48) | (t > 57)) {
+ do Sys.error(3);
+ do Output.printString("Keyboard.readInt: the input data is not number!");
+ }
+ let done = false;
+ while (~done) {
+ if ((s.charAt(i) > 47) & (s.charAt(i) < 58)) {
+ let n = n * 10 + (s.charAt(i) - 48);
+ } else {
+ let done = true;
+ }
+ let i = i + 1;
+ let done = done | (i + 1 > s.length());
+ }
+ if (neg) {
+ let n = - n;
+ }
+ return n;
+ }
+}
diff --git a/projects/12/KeyboardTest/Keyboard.vm b/projects/12/KeyboardTest/Keyboard.vm new file mode 100644 index 0000000..bebd916 --- /dev/null +++ b/projects/12/KeyboardTest/Keyboard.vm @@ -0,0 +1,310 @@ +function Keyboard.init 0 +push constant 0 +return +function Keyboard.keyPressed 0 +push constant 24576 +call Memory.peek 1 +return +function Keyboard.readChar 2 +push constant 0 +pop local 0 +label WHILE_EXP0 +push local 0 +push constant 0 +eq +not +if-goto WHILE_END0 +push constant 24576 +call Memory.peek 1 +pop local 0 +goto WHILE_EXP0 +label WHILE_END0 +push local 0 +pop local 1 +label WHILE_EXP1 +push local 1 +push local 0 +eq +not +if-goto WHILE_END1 +push constant 24576 +call Memory.peek 1 +pop local 1 +goto WHILE_EXP1 +label WHILE_END1 +push local 0 +push constant 31 +gt +push local 0 +push constant 127 +lt +and +push local 0 +push constant 128 +eq +or +push local 0 +push constant 129 +eq +or +if-goto IF_TRUE0 +goto IF_FALSE0 +label IF_TRUE0 +push local 0 +call Output.printChar 1 +pop temp 0 +label IF_FALSE0 +push local 0 +return +function Keyboard.readLine 2 +push constant 140 +call String.new 1 +pop local 1 +push argument 0 +call Output.printString 1 +pop temp 0 +call Keyboard.readChar 0 +pop local 0 +label WHILE_EXP0 +push local 0 +push constant 128 +eq +not +not +if-goto WHILE_END0 +push local 0 +push constant 129 +eq +if-goto IF_TRUE0 +goto IF_FALSE0 +label IF_TRUE0 +push local 1 +call String.length 1 +push constant 0 +gt +if-goto IF_TRUE1 +goto IF_FALSE1 +label IF_TRUE1 +push local 1 +call String.eraseLastChar 1 +pop temp 0 +label IF_FALSE1 +goto IF_END0 +label IF_FALSE0 +push local 1 +push local 0 +call String.appendChar 2 +pop temp 0 +label IF_END0 +call Keyboard.readChar 0 +pop local 0 +goto WHILE_EXP0 +label WHILE_END0 +push local 1 +return +function Keyboard.readInt 6 +push argument 0 +call Output.printString 1 +pop temp 0 +push constant 0 +pop local 0 +push constant 0 +pop local 4 +push constant 0 +call String.new 1 +call Keyboard.readLine 1 +pop local 3 +push constant 0 +pop local 1 +push local 3 +push constant 0 +call String.charAt 2 +push constant 45 +eq +if-goto IF_TRUE0 +goto IF_FALSE0 +label IF_TRUE0 +push constant 1 +pop local 1 +push constant 0 +not +pop local 4 +label IF_FALSE0 +push local 3 +push local 1 +call String.charAt 2 +pop local 2 +push local 2 +push constant 48 +lt +push local 2 +push constant 57 +gt +or +if-goto IF_TRUE1 +goto IF_FALSE1 +label IF_TRUE1 +push constant 3 +call Sys.error 1 +pop temp 0 +push constant 47 +call String.new 1 +push constant 75 +call String.appendChar 2 +push constant 101 +call String.appendChar 2 +push constant 121 +call String.appendChar 2 +push constant 98 +call String.appendChar 2 +push constant 111 +call String.appendChar 2 +push constant 97 +call String.appendChar 2 +push constant 114 +call String.appendChar 2 +push constant 100 +call String.appendChar 2 +push constant 46 +call String.appendChar 2 +push constant 114 +call String.appendChar 2 +push constant 101 +call String.appendChar 2 +push constant 97 +call String.appendChar 2 +push constant 100 +call String.appendChar 2 +push constant 73 +call String.appendChar 2 +push constant 110 +call String.appendChar 2 +push constant 116 +call String.appendChar 2 +push constant 58 +call String.appendChar 2 +push constant 32 +call String.appendChar 2 +push constant 116 +call String.appendChar 2 +push constant 104 +call String.appendChar 2 +push constant 101 +call String.appendChar 2 +push constant 32 +call String.appendChar 2 +push constant 105 +call String.appendChar 2 +push constant 110 +call String.appendChar 2 +push constant 112 +call String.appendChar 2 +push constant 117 +call String.appendChar 2 +push constant 116 +call String.appendChar 2 +push constant 32 +call String.appendChar 2 +push constant 100 +call String.appendChar 2 +push constant 97 +call String.appendChar 2 +push constant 116 +call String.appendChar 2 +push constant 97 +call String.appendChar 2 +push constant 32 +call String.appendChar 2 +push constant 105 +call String.appendChar 2 +push constant 115 +call String.appendChar 2 +push constant 32 +call String.appendChar 2 +push constant 110 +call String.appendChar 2 +push constant 111 +call String.appendChar 2 +push constant 116 +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 33 +call String.appendChar 2 +call Output.printString 1 +pop temp 0 +label IF_FALSE1 +push constant 0 +pop local 5 +label WHILE_EXP0 +push local 5 +not +not +if-goto WHILE_END0 +push local 3 +push local 1 +call String.charAt 2 +push constant 47 +gt +push local 3 +push local 1 +call String.charAt 2 +push constant 58 +lt +and +if-goto IF_TRUE2 +goto IF_FALSE2 +label IF_TRUE2 +push local 0 +push constant 10 +call Math.multiply 2 +push local 3 +push local 1 +call String.charAt 2 +push constant 48 +sub +add +pop local 0 +goto IF_END2 +label IF_FALSE2 +push constant 0 +not +pop local 5 +label IF_END2 +push local 1 +push constant 1 +add +pop local 1 +push local 5 +push local 1 +push constant 1 +add +push local 3 +call String.length 1 +gt +or +pop local 5 +goto WHILE_EXP0 +label WHILE_END0 +push local 4 +if-goto IF_TRUE3 +goto IF_FALSE3 +label IF_TRUE3 +push local 0 +neg +pop local 0 +label IF_FALSE3 +push local 0 +return diff --git a/projects/12/KeyboardTest/Main.vm b/projects/12/KeyboardTest/Main.vm new file mode 100644 index 0000000..aec89d6 --- /dev/null +++ b/projects/12/KeyboardTest/Main.vm @@ -0,0 +1,949 @@ +function Main.main 5 +push constant 0 +pop local 4 +push constant 16 +call String.new 1 +push constant 107 +call String.appendChar 2 +push constant 101 +call String.appendChar 2 +push constant 121 +call String.appendChar 2 +push constant 80 +call String.appendChar 2 +push constant 114 +call String.appendChar 2 +push constant 101 +call String.appendChar 2 +push constant 115 +call String.appendChar 2 +push constant 115 +call String.appendChar 2 +push constant 101 +call String.appendChar 2 +push constant 100 +call String.appendChar 2 +push constant 32 +call String.appendChar 2 +push constant 116 +call String.appendChar 2 +push constant 101 +call String.appendChar 2 +push constant 115 +call String.appendChar 2 +push constant 116 +call String.appendChar 2 +push constant 58 +call String.appendChar 2 +call Output.printString 1 +pop temp 0 +call Output.println 0 +pop temp 0 +label WHILE_EXP0 +push local 4 +not +not +if-goto WHILE_END0 +push constant 32 +call String.new 1 +push constant 80 +call String.appendChar 2 +push constant 108 +call String.appendChar 2 +push constant 101 +call String.appendChar 2 +push constant 97 +call String.appendChar 2 +push constant 115 +call String.appendChar 2 +push constant 101 +call String.appendChar 2 +push constant 32 +call String.appendChar 2 +push constant 112 +call String.appendChar 2 +push constant 114 +call String.appendChar 2 +push constant 101 +call String.appendChar 2 +push constant 115 +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 104 +call String.appendChar 2 +push constant 101 +call String.appendChar 2 +push constant 32 +call String.appendChar 2 +push constant 39 +call String.appendChar 2 +push constant 80 +call String.appendChar 2 +push constant 97 +call String.appendChar 2 +push constant 103 +call String.appendChar 2 +push constant 101 +call String.appendChar 2 +push constant 32 +call String.appendChar 2 +push constant 68 +call String.appendChar 2 +push constant 111 +call String.appendChar 2 +push constant 119 +call String.appendChar 2 +push constant 110 +call String.appendChar 2 +push constant 39 +call String.appendChar 2 +push constant 32 +call String.appendChar 2 +push constant 107 +call String.appendChar 2 +push constant 101 +call String.appendChar 2 +push constant 121 +call String.appendChar 2 +call Output.printString 1 +pop temp 0 +label WHILE_EXP1 +push local 1 +push constant 0 +eq +not +if-goto WHILE_END1 +call Keyboard.keyPressed 0 +pop local 1 +goto WHILE_EXP1 +label WHILE_END1 +push local 1 +pop local 0 +label WHILE_EXP2 +push local 1 +push constant 0 +eq +not +not +if-goto WHILE_END2 +call Keyboard.keyPressed 0 +pop local 1 +goto WHILE_EXP2 +label WHILE_END2 +call Output.println 0 +pop temp 0 +push local 0 +push constant 137 +eq +if-goto IF_TRUE0 +goto IF_FALSE0 +label IF_TRUE0 +push constant 2 +call String.new 1 +push constant 111 +call String.appendChar 2 +push constant 107 +call String.appendChar 2 +call Output.printString 1 +pop temp 0 +call Output.println 0 +pop temp 0 +push constant 0 +not +pop local 4 +label IF_FALSE0 +goto WHILE_EXP0 +label WHILE_END0 +push constant 0 +pop local 4 +push constant 14 +call String.new 1 +push constant 114 +call String.appendChar 2 +push constant 101 +call String.appendChar 2 +push constant 97 +call String.appendChar 2 +push constant 100 +call String.appendChar 2 +push constant 67 +call String.appendChar 2 +push constant 104 +call String.appendChar 2 +push constant 97 +call String.appendChar 2 +push constant 114 +call String.appendChar 2 +push constant 32 +call String.appendChar 2 +push constant 116 +call String.appendChar 2 +push constant 101 +call String.appendChar 2 +push constant 115 +call String.appendChar 2 +push constant 116 +call String.appendChar 2 +push constant 58 +call String.appendChar 2 +call Output.printString 1 +pop temp 0 +call Output.println 0 +pop temp 0 +push constant 59 +call String.new 1 +push constant 40 +call String.appendChar 2 +push constant 86 +call String.appendChar 2 +push constant 101 +call String.appendChar 2 +push constant 114 +call String.appendChar 2 +push constant 105 +call String.appendChar 2 +push constant 102 +call String.appendChar 2 +push constant 121 +call String.appendChar 2 +push constant 32 +call String.appendChar 2 +push constant 116 +call String.appendChar 2 +push constant 104 +call String.appendChar 2 +push constant 97 +call String.appendChar 2 +push constant 116 +call String.appendChar 2 +push constant 32 +call String.appendChar 2 +push constant 116 +call String.appendChar 2 +push constant 104 +call String.appendChar 2 +push constant 101 +call String.appendChar 2 +push constant 32 +call String.appendChar 2 +push constant 112 +call String.appendChar 2 +push constant 114 +call String.appendChar 2 +push constant 101 +call String.appendChar 2 +push constant 115 +call String.appendChar 2 +push constant 115 +call String.appendChar 2 +push constant 101 +call String.appendChar 2 +push constant 100 +call String.appendChar 2 +push constant 32 +call String.appendChar 2 +push constant 99 +call String.appendChar 2 +push constant 104 +call String.appendChar 2 +push constant 97 +call String.appendChar 2 +push constant 114 +call String.appendChar 2 +push constant 97 +call String.appendChar 2 +push constant 99 +call String.appendChar 2 +push constant 116 +call String.appendChar 2 +push constant 101 +call String.appendChar 2 +push constant 114 +call String.appendChar 2 +push constant 32 +call String.appendChar 2 +push constant 105 +call String.appendChar 2 +push constant 115 +call String.appendChar 2 +push constant 32 +call String.appendChar 2 +push constant 101 +call String.appendChar 2 +push constant 99 +call String.appendChar 2 +push constant 104 +call String.appendChar 2 +push constant 111 +call String.appendChar 2 +push constant 101 +call String.appendChar 2 +push constant 100 +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 32 +call String.appendChar 2 +push constant 116 +call String.appendChar 2 +push constant 104 +call String.appendChar 2 +push constant 101 +call String.appendChar 2 +push constant 32 +call String.appendChar 2 +push constant 115 +call String.appendChar 2 +push constant 99 +call String.appendChar 2 +push constant 114 +call String.appendChar 2 +push constant 101 +call String.appendChar 2 +push constant 101 +call String.appendChar 2 +push constant 110 +call String.appendChar 2 +push constant 41 +call String.appendChar 2 +call Output.printString 1 +pop temp 0 +call Output.println 0 +pop temp 0 +label WHILE_EXP3 +push local 4 +not +not +if-goto WHILE_END3 +push constant 29 +call String.new 1 +push constant 80 +call String.appendChar 2 +push constant 108 +call String.appendChar 2 +push constant 101 +call String.appendChar 2 +push constant 97 +call String.appendChar 2 +push constant 115 +call String.appendChar 2 +push constant 101 +call String.appendChar 2 +push constant 32 +call String.appendChar 2 +push constant 112 +call String.appendChar 2 +push constant 114 +call String.appendChar 2 +push constant 101 +call String.appendChar 2 +push constant 115 +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 104 +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 32 +call String.appendChar 2 +push constant 39 +call String.appendChar 2 +push constant 51 +call String.appendChar 2 +push constant 39 +call String.appendChar 2 +push constant 58 +call String.appendChar 2 +push constant 32 +call String.appendChar 2 +call Output.printString 1 +pop temp 0 +call Keyboard.readChar 0 +pop local 0 +call Output.println 0 +pop temp 0 +push local 0 +push constant 51 +eq +if-goto IF_TRUE1 +goto IF_FALSE1 +label IF_TRUE1 +push constant 2 +call String.new 1 +push constant 111 +call String.appendChar 2 +push constant 107 +call String.appendChar 2 +call Output.printString 1 +pop temp 0 +call Output.println 0 +pop temp 0 +push constant 0 +not +pop local 4 +label IF_FALSE1 +goto WHILE_EXP3 +label WHILE_END3 +push constant 0 +pop local 4 +push constant 14 +call String.new 1 +push constant 114 +call String.appendChar 2 +push constant 101 +call String.appendChar 2 +push constant 97 +call String.appendChar 2 +push constant 100 +call String.appendChar 2 +push constant 76 +call String.appendChar 2 +push constant 105 +call String.appendChar 2 +push constant 110 +call String.appendChar 2 +push constant 101 +call String.appendChar 2 +push constant 32 +call String.appendChar 2 +push constant 116 +call String.appendChar 2 +push constant 101 +call String.appendChar 2 +push constant 115 +call String.appendChar 2 +push constant 116 +call String.appendChar 2 +push constant 58 +call String.appendChar 2 +call Output.printString 1 +pop temp 0 +call Output.println 0 +pop temp 0 +push constant 38 +call String.new 1 +push constant 40 +call String.appendChar 2 +push constant 86 +call String.appendChar 2 +push constant 101 +call String.appendChar 2 +push constant 114 +call String.appendChar 2 +push constant 105 +call String.appendChar 2 +push constant 102 +call String.appendChar 2 +push constant 121 +call String.appendChar 2 +push constant 32 +call String.appendChar 2 +push constant 101 +call String.appendChar 2 +push constant 99 +call String.appendChar 2 +push constant 104 +call String.appendChar 2 +push constant 111 +call String.appendChar 2 +push constant 32 +call String.appendChar 2 +push constant 97 +call String.appendChar 2 +push constant 110 +call String.appendChar 2 +push constant 100 +call String.appendChar 2 +push constant 32 +call String.appendChar 2 +push constant 117 +call String.appendChar 2 +push constant 115 +call String.appendChar 2 +push constant 97 +call String.appendChar 2 +push constant 103 +call String.appendChar 2 +push constant 101 +call String.appendChar 2 +push constant 32 +call String.appendChar 2 +push constant 111 +call String.appendChar 2 +push constant 102 +call String.appendChar 2 +push constant 32 +call String.appendChar 2 +push constant 39 +call String.appendChar 2 +push constant 98 +call String.appendChar 2 +push constant 97 +call String.appendChar 2 +push constant 99 +call String.appendChar 2 +push constant 107 +call String.appendChar 2 +push constant 115 +call String.appendChar 2 +push constant 112 +call String.appendChar 2 +push constant 97 +call String.appendChar 2 +push constant 99 +call String.appendChar 2 +push constant 101 +call String.appendChar 2 +push constant 39 +call String.appendChar 2 +push constant 41 +call String.appendChar 2 +call Output.printString 1 +pop temp 0 +call Output.println 0 +pop temp 0 +label WHILE_EXP4 +push local 4 +not +not +if-goto WHILE_END4 +push constant 36 +call String.new 1 +push constant 80 +call String.appendChar 2 +push constant 108 +call String.appendChar 2 +push constant 101 +call String.appendChar 2 +push constant 97 +call String.appendChar 2 +push constant 115 +call String.appendChar 2 +push constant 101 +call String.appendChar 2 +push constant 32 +call String.appendChar 2 +push constant 116 +call String.appendChar 2 +push constant 121 +call String.appendChar 2 +push constant 112 +call String.appendChar 2 +push constant 101 +call String.appendChar 2 +push constant 32 +call String.appendChar 2 +push constant 39 +call String.appendChar 2 +push constant 74 +call String.appendChar 2 +push constant 65 +call String.appendChar 2 +push constant 67 +call String.appendChar 2 +push constant 75 +call String.appendChar 2 +push constant 39 +call String.appendChar 2 +push constant 32 +call String.appendChar 2 +push constant 97 +call String.appendChar 2 +push constant 110 +call String.appendChar 2 +push constant 100 +call String.appendChar 2 +push constant 32 +call String.appendChar 2 +push constant 112 +call String.appendChar 2 +push constant 114 +call String.appendChar 2 +push constant 101 +call String.appendChar 2 +push constant 115 +call String.appendChar 2 +push constant 115 +call String.appendChar 2 +push constant 32 +call String.appendChar 2 +push constant 101 +call String.appendChar 2 +push constant 110 +call String.appendChar 2 +push constant 116 +call String.appendChar 2 +push constant 101 +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 +call Keyboard.readLine 1 +pop local 2 +push local 2 +call String.length 1 +push constant 4 +eq +if-goto IF_TRUE2 +goto IF_FALSE2 +label IF_TRUE2 +push local 2 +push constant 0 +call String.charAt 2 +push constant 74 +eq +push local 2 +push constant 1 +call String.charAt 2 +push constant 65 +eq +and +push local 2 +push constant 2 +call String.charAt 2 +push constant 67 +eq +and +push local 2 +push constant 3 +call String.charAt 2 +push constant 75 +eq +and +if-goto IF_TRUE3 +goto IF_FALSE3 +label IF_TRUE3 +push constant 2 +call String.new 1 +push constant 111 +call String.appendChar 2 +push constant 107 +call String.appendChar 2 +call Output.printString 1 +pop temp 0 +call Output.println 0 +pop temp 0 +push constant 0 +not +pop local 4 +label IF_FALSE3 +label IF_FALSE2 +goto WHILE_EXP4 +label WHILE_END4 +push constant 0 +pop local 4 +push constant 13 +call String.new 1 +push constant 114 +call String.appendChar 2 +push constant 101 +call String.appendChar 2 +push constant 97 +call String.appendChar 2 +push constant 100 +call String.appendChar 2 +push constant 73 +call String.appendChar 2 +push constant 110 +call String.appendChar 2 +push constant 116 +call String.appendChar 2 +push constant 32 +call String.appendChar 2 +push constant 116 +call String.appendChar 2 +push constant 101 +call String.appendChar 2 +push constant 115 +call String.appendChar 2 +push constant 116 +call String.appendChar 2 +push constant 58 +call String.appendChar 2 +call Output.printString 1 +pop temp 0 +call Output.println 0 +pop temp 0 +push constant 38 +call String.new 1 +push constant 40 +call String.appendChar 2 +push constant 86 +call String.appendChar 2 +push constant 101 +call String.appendChar 2 +push constant 114 +call String.appendChar 2 +push constant 105 +call String.appendChar 2 +push constant 102 +call String.appendChar 2 +push constant 121 +call String.appendChar 2 +push constant 32 +call String.appendChar 2 +push constant 101 +call String.appendChar 2 +push constant 99 +call String.appendChar 2 +push constant 104 +call String.appendChar 2 +push constant 111 +call String.appendChar 2 +push constant 32 +call String.appendChar 2 +push constant 97 +call String.appendChar 2 +push constant 110 +call String.appendChar 2 +push constant 100 +call String.appendChar 2 +push constant 32 +call String.appendChar 2 +push constant 117 +call String.appendChar 2 +push constant 115 +call String.appendChar 2 +push constant 97 +call String.appendChar 2 +push constant 103 +call String.appendChar 2 +push constant 101 +call String.appendChar 2 +push constant 32 +call String.appendChar 2 +push constant 111 +call String.appendChar 2 +push constant 102 +call String.appendChar 2 +push constant 32 +call String.appendChar 2 +push constant 39 +call String.appendChar 2 +push constant 98 +call String.appendChar 2 +push constant 97 +call String.appendChar 2 +push constant 99 +call String.appendChar 2 +push constant 107 +call String.appendChar 2 +push constant 115 +call String.appendChar 2 +push constant 112 +call String.appendChar 2 +push constant 97 +call String.appendChar 2 +push constant 99 +call String.appendChar 2 +push constant 101 +call String.appendChar 2 +push constant 39 +call String.appendChar 2 +push constant 41 +call String.appendChar 2 +call Output.printString 1 +pop temp 0 +call Output.println 0 +pop temp 0 +label WHILE_EXP5 +push local 4 +not +not +if-goto WHILE_END5 +push constant 38 +call String.new 1 +push constant 80 +call String.appendChar 2 +push constant 108 +call String.appendChar 2 +push constant 101 +call String.appendChar 2 +push constant 97 +call String.appendChar 2 +push constant 115 +call String.appendChar 2 +push constant 101 +call String.appendChar 2 +push constant 32 +call String.appendChar 2 +push constant 116 +call String.appendChar 2 +push constant 121 +call String.appendChar 2 +push constant 112 +call String.appendChar 2 +push constant 101 +call String.appendChar 2 +push constant 32 +call String.appendChar 2 +push constant 39 +call String.appendChar 2 +push constant 45 +call String.appendChar 2 +push constant 51 +call String.appendChar 2 +push constant 50 +call String.appendChar 2 +push constant 49 +call String.appendChar 2 +push constant 50 +call String.appendChar 2 +push constant 51 +call String.appendChar 2 +push constant 39 +call String.appendChar 2 +push constant 32 +call String.appendChar 2 +push constant 97 +call String.appendChar 2 +push constant 110 +call String.appendChar 2 +push constant 100 +call String.appendChar 2 +push constant 32 +call String.appendChar 2 +push constant 112 +call String.appendChar 2 +push constant 114 +call String.appendChar 2 +push constant 101 +call String.appendChar 2 +push constant 115 +call String.appendChar 2 +push constant 115 +call String.appendChar 2 +push constant 32 +call String.appendChar 2 +push constant 101 +call String.appendChar 2 +push constant 110 +call String.appendChar 2 +push constant 116 +call String.appendChar 2 +push constant 101 +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 +call Keyboard.readInt 1 +pop local 3 +push local 3 +push constant 32123 +neg +eq +if-goto IF_TRUE4 +goto IF_FALSE4 +label IF_TRUE4 +push constant 2 +call String.new 1 +push constant 111 +call String.appendChar 2 +push constant 107 +call String.appendChar 2 +call Output.printString 1 +pop temp 0 +call Output.println 0 +pop temp 0 +push constant 0 +not +pop local 4 +label IF_FALSE4 +goto WHILE_EXP5 +label WHILE_END5 +call Output.println 0 +pop temp 0 +push constant 27 +call String.new 1 +push constant 84 +call String.appendChar 2 +push constant 101 +call String.appendChar 2 +push constant 115 +call String.appendChar 2 +push constant 116 +call String.appendChar 2 +push constant 32 +call String.appendChar 2 +push constant 99 +call String.appendChar 2 +push constant 111 +call String.appendChar 2 +push constant 109 +call String.appendChar 2 +push constant 112 +call String.appendChar 2 +push constant 108 +call String.appendChar 2 +push constant 101 +call String.appendChar 2 +push constant 116 +call String.appendChar 2 +push constant 101 +call String.appendChar 2 +push constant 100 +call String.appendChar 2 +push constant 32 +call String.appendChar 2 +push constant 115 +call String.appendChar 2 +push constant 117 +call String.appendChar 2 +push constant 99 +call String.appendChar 2 +push constant 99 +call String.appendChar 2 +push constant 101 +call String.appendChar 2 +push constant 115 +call String.appendChar 2 +push constant 115 +call String.appendChar 2 +push constant 102 +call String.appendChar 2 +push constant 117 +call String.appendChar 2 +push constant 108 +call String.appendChar 2 +push constant 108 +call String.appendChar 2 +push constant 121 +call String.appendChar 2 +call Output.printString 1 +pop temp 0 +push constant 0 +return |