.

projects/12/MathTest/Array.vm

@@ -0,0 +1,23 @@
+function Array.new 0
+push argument 0
+push constant 0
+gt
+not
+if-goto IF_TRUE0
+goto IF_FALSE0
+label IF_TRUE0
+push constant 2
+call Sys.error 1
+pop temp 0
+label IF_FALSE0
+push argument 0
+call Memory.alloc 1
+return
+function Array.dispose 0
+push argument 0
+pop pointer 0
+push pointer 0
+call Memory.deAlloc 1
+pop temp 0
+push constant 0
+return

projects/12/MathTest/Keyboard.vm

@@ -0,0 +1,102 @@
+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
+call Output.printChar 1
+pop temp 0
+label WHILE_EXP0
+push local 1
+push constant 0
+eq
+push local 0
+push constant 0
+gt
+or
+not
+if-goto WHILE_END0
+call Keyboard.keyPressed 0
+pop local 0
+push local 0
+push constant 0
+gt
+if-goto IF_TRUE0
+goto IF_FALSE0
+label IF_TRUE0
+push local 0
+pop local 1
+label IF_FALSE0
+goto WHILE_EXP0
+label WHILE_END0
+call String.backSpace 0
+call Output.printChar 1
+pop temp 0
+push local 1
+call Output.printChar 1
+pop temp 0
+push local 1
+return
+function Keyboard.readLine 5
+push constant 80
+call String.new 1
+pop local 3
+push argument 0
+call Output.printString 1
+pop temp 0
+call String.newLine 0
+pop local 1
+call String.backSpace 0
+pop local 2
+label WHILE_EXP0
+push local 4
+not
+not
+if-goto WHILE_END0
+call Keyboard.readChar 0
+pop local 0
+push local 0
+push local 1
+eq
+pop local 4
+push local 4
+not
+if-goto IF_TRUE0
+goto IF_FALSE0
+label IF_TRUE0
+push local 0
+push local 2
+eq
+if-goto IF_TRUE1
+goto IF_FALSE1
+label IF_TRUE1
+push local 3
+call String.eraseLastChar 1
+pop temp 0
+goto IF_END1
+label IF_FALSE1
+push local 3
+push local 0
+call String.appendChar 2
+pop local 3
+label IF_END1
+label IF_FALSE0
+goto WHILE_EXP0
+label WHILE_END0
+push local 3
+return
+function Keyboard.readInt 2
+push argument 0
+call Keyboard.readLine 1
+pop local 0
+push local 0
+call String.intValue 1
+pop local 1
+push local 0
+call String.dispose 1
+pop temp 0
+push local 1
+return

projects/12/MathTest/Main.jack

@@ -0,0 +1,35 @@
+// 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/MathTest/Main.jack
+
+/** Test program for the OS Math class. */
+class Main {
+
+    /** Performs various mathematical operations, using calls to the Math class methods. */
+    function void main() {
+        var Array r;          // stores the test results;
+        
+        let r = 8000;
+    
+        let r[0] = 2 * 3;                  // 6
+        let r[1] = r[0] * (-30);           // 6 * (-30) = -180
+        let r[2] = r[1] * 100;             // (-180) * 100 = -18000
+        let r[3] = 1 * r[2];               // 1 * (-18000) = -18000
+        let r[4] = r[3] * 0;               // 0
+        
+        let r[5] = 9 / 3;                  // 3
+        let r[6] = (-18000) / 6;           // -3000
+        let r[7] = 32766 / (-32767);       // 0
+        
+        let r[8] = Math.sqrt(9);           // 3
+        let r[9] = Math.sqrt(32767);       // 181
+        
+        let r[10] = Math.min(345, 123);    // 123
+        let r[11] = Math.max(123, -345);   // 123
+        let r[12] = Math.abs(27);          // 27
+        let r[13] = Math.abs(-32767);      // 32767
+        
+        return;
+    }
+}

projects/12/MathTest/Main.vm

@@ -0,0 +1,162 @@
+function Main.main 1
+push constant 8000
+pop local 0
+push local 0
+push constant 0
+push constant 2
+push constant 3
+call Math.multiply 2
+pop temp 1
+add
+pop pointer 1
+push temp 1
+pop that 0
+push local 0
+push constant 1
+push local 0
+push constant 0
+add
+pop pointer 1
+push that 0
+push constant 30
+neg
+call Math.multiply 2
+pop temp 1
+add
+pop pointer 1
+push temp 1
+pop that 0
+push local 0
+push constant 2
+push local 0
+push constant 1
+add
+pop pointer 1
+push that 0
+push constant 100
+call Math.multiply 2
+pop temp 1
+add
+pop pointer 1
+push temp 1
+pop that 0
+push local 0
+push constant 3
+push constant 1
+push local 0
+push constant 2
+add
+pop pointer 1
+push that 0
+call Math.multiply 2
+pop temp 1
+add
+pop pointer 1
+push temp 1
+pop that 0
+push local 0
+push constant 4
+push local 0
+push constant 3
+add
+pop pointer 1
+push that 0
+push constant 0
+call Math.multiply 2
+pop temp 1
+add
+pop pointer 1
+push temp 1
+pop that 0
+push local 0
+push constant 5
+push constant 9
+push constant 3
+call Math.divide 2
+pop temp 1
+add
+pop pointer 1
+push temp 1
+pop that 0
+push local 0
+push constant 6
+push constant 18000
+neg
+push constant 6
+call Math.divide 2
+pop temp 1
+add
+pop pointer 1
+push temp 1
+pop that 0
+push local 0
+push constant 7
+push constant 32766
+push constant 32767
+neg
+call Math.divide 2
+pop temp 1
+add
+pop pointer 1
+push temp 1
+pop that 0
+push local 0
+push constant 8
+push constant 9
+call Math.sqrt 1
+pop temp 1
+add
+pop pointer 1
+push temp 1
+pop that 0
+push local 0
+push constant 9
+push constant 32767
+call Math.sqrt 1
+pop temp 1
+add
+pop pointer 1
+push temp 1
+pop that 0
+push local 0
+push constant 10
+push constant 345
+push constant 123
+call Math.min 2
+pop temp 1
+add
+pop pointer 1
+push temp 1
+pop that 0
+push local 0
+push constant 11
+push constant 123
+push constant 345
+neg
+call Math.max 2
+pop temp 1
+add
+pop pointer 1
+push temp 1
+pop that 0
+push local 0
+push constant 12
+push constant 27
+call Math.abs 1
+pop temp 1
+add
+pop pointer 1
+push temp 1
+pop that 0
+push local 0
+push constant 13
+push constant 32767
+neg
+call Math.abs 1
+pop temp 1
+add
+pop pointer 1
+push temp 1
+pop that 0
+push constant 0
+return

projects/12/MathTest/Math.jack

@@ -0,0 +1,143 @@
+// 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 st;
+    static int division_tmp, f;
+
+    /** Initializes the library. */
+    function void init() {
+        var int a;
+        let st = Array.new(16);
+        let st[0] = 1;
+        while (a < 15){
+            let a = a + 1;
+            let st[a] = st[a - 1] + st[a - 1];
+        }
+        return;
+    }
+
+    /** Returns the absolute value of x. */
+    function int abs(int x) {
+        if (x > 0){
+            return x;
+            }
+        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 sum, temp, y_comp, i, neg;
+        let neg = ((x < 0) & (y > 0)) | ((x > 0) & (y < 0)); 
+        let x = Math.abs(x);
+        let y = Math.abs(y);
+        if (x < y){
+            let temp = x;
+            let x = y;
+            let y = temp;
+        }
+        if (y = 1){
+            if(neg){
+                return -x;
+            }
+            return x;
+        }
+        while((y_comp - 1) < (y - 1)){
+            if ((st[i] & y) > 0) {
+                let sum = sum + x;
+                let y_comp = y_comp + st[i];
+            }
+            let x = x + x;
+            let i = i + 1;
+        }
+        if(neg){
+            let sum = -sum;
+        }
+        return sum;
+    }
+
+    /** 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 q, neg;
+        if (f = 0){
+            let division_tmp = 0;
+            let neg = ((x < 0) & (y > 0)) | ((x > 0) & (y < 0)); 
+            let x = Math.abs(x);  
+            let y = Math.abs(y); 
+            if (y = 0){
+                do Sys.error(3);
+            }
+            let f = 1;
+        }
+        if ((y > x) | (y < 0)){
+            return 0;
+        }
+        let q = divide(x, y + y);
+        let f = 0;
+        let q = Math.abs(q);
+        if ((q & 1) = 1){
+            let division_tmp = division_tmp + y + y;
+        }
+        if (x - division_tmp < y){
+            if (neg){
+                return -(q + q);
+            }
+            return q + q;
+        }
+        else{
+            if (neg){
+                return -(q + q + 1);
+            }
+            return q + q + 1;
+        }
+    }
+    
+    /** Returns the integer part of the square root of x. */
+    function int sqrt(int x) {
+        var int j, b, d, y;
+        
+        if (x < 0){
+            do Sys.error(4);
+            }
+        let j = 7;
+        while (j > -1){
+            let d = y + st[j];
+            let b = d * d;
+            if ((~(b > x)) & (b > 0)){
+                let y = d;
+            }
+            let j = j - 1;
+        }
+        return y;
+    }
+
+    /** Returns the greater number. */
+    function int max(int a, int b) {
+        if (a > b){
+            return a;
+            }
+        return b;
+    }
+
+    /** Returns the smaller number. */
+    function int min(int a, int b) {
+        if (a < b){
+            return a;
+            }
+        return b;
+    }
+}

projects/12/MathTest/Math.vm

@@ -0,0 +1,388 @@
+function Math.init 1
+push constant 16
+call Array.new 1
+pop static 0
+push static 0
+push constant 0
+push constant 1
+pop temp 1
+add
+pop pointer 1
+push temp 1
+pop that 0
+label L0
+push local 0
+push constant 15
+lt
+not
+if-goto L1
+push local 0
+push constant 1
+add
+pop local 0
+push static 0
+push local 0
+push static 0
+push local 0
+push constant 1
+sub
+add
+pop pointer 1
+push that 0
+push static 0
+push local 0
+push constant 1
+sub
+add
+pop pointer 1
+push that 0
+add
+pop temp 1
+add
+pop pointer 1
+push temp 1
+pop that 0
+goto L0
+label L1
+push constant 0
+return
+function Math.abs 0
+push argument 0
+push constant 0
+gt
+not
+if-goto L2
+push argument 0
+return
+goto L3
+label L2
+label L3
+push argument 0
+neg
+return
+function Math.multiply 5
+push argument 0
+push constant 0
+lt
+push argument 1
+push constant 0
+gt
+and
+push argument 0
+push constant 0
+gt
+push argument 1
+push constant 0
+lt
+and
+or
+pop local 4
+push argument 0
+call Math.abs 1
+pop argument 0
+push argument 1
+call Math.abs 1
+pop argument 1
+push argument 0
+push argument 1
+lt
+not
+if-goto L4
+push argument 0
+pop local 1
+push argument 1
+pop argument 0
+push local 1
+pop argument 1
+goto L5
+label L4
+label L5
+push argument 1
+push constant 1
+eq
+not
+if-goto L6
+push local 4
+not
+if-goto L7
+push argument 0
+neg
+return
+goto L8
+label L7
+label L8
+push argument 0
+return
+goto L9
+label L6
+label L9
+label L10
+push local 2
+push constant 1
+sub
+push argument 1
+push constant 1
+sub
+lt
+not
+if-goto L11
+push static 0
+push local 3
+add
+pop pointer 1
+push that 0
+push argument 1
+and
+push constant 0
+gt
+not
+if-goto L12
+push local 0
+push argument 0
+add
+pop local 0
+push local 2
+push static 0
+push local 3
+add
+pop pointer 1
+push that 0
+add
+pop local 2
+goto L13
+label L12
+label L13
+push argument 0
+push argument 0
+add
+pop argument 0
+push local 3
+push constant 1
+add
+pop local 3
+goto L10
+label L11
+push local 4
+not
+if-goto L14
+push local 0
+neg
+pop local 0
+goto L15
+label L14
+label L15
+push local 0
+return
+function Math.divide 2
+push static 2
+push constant 0
+eq
+not
+if-goto L16
+push constant 0
+pop static 1
+push argument 0
+push constant 0
+lt
+push argument 1
+push constant 0
+gt
+and
+push argument 0
+push constant 0
+gt
+push argument 1
+push constant 0
+lt
+and
+or
+pop local 1
+push argument 0
+call Math.abs 1
+pop argument 0
+push argument 1
+call Math.abs 1
+pop argument 1
+push argument 1
+push constant 0
+eq
+not
+if-goto L17
+push constant 3
+call Sys.error 1
+pop temp 0
+goto L18
+label L17
+label L18
+push constant 1
+pop static 2
+goto L19
+label L16
+label L19
+push argument 1
+push argument 0
+gt
+push argument 1
+push constant 0
+lt
+or
+not
+if-goto L20
+push constant 0
+return
+goto L21
+label L20
+label L21
+push argument 0
+push argument 1
+push argument 1
+add
+call Math.divide 2
+pop local 0
+push constant 0
+pop static 2
+push local 0
+call Math.abs 1
+pop local 0
+push local 0
+push constant 1
+and
+push constant 1
+eq
+not
+if-goto L22
+push static 1
+push argument 1
+add
+push argument 1
+add
+pop static 1
+goto L23
+label L22
+label L23
+push argument 0
+push static 1
+sub
+push argument 1
+lt
+not
+if-goto L24
+push local 1
+not
+if-goto L25
+push local 0
+push local 0
+add
+neg
+return
+goto L26
+label L25
+label L26
+push local 0
+push local 0
+add
+return
+goto L27
+label L24
+push local 1
+not
+if-goto L28
+push local 0
+push local 0
+add
+push constant 1
+add
+neg
+return
+goto L29
+label L28
+label L29
+push local 0
+push local 0
+add
+push constant 1
+add
+return
+label L27
+function Math.sqrt 4
+push argument 0
+push constant 0
+lt
+not
+if-goto L30
+push constant 4
+call Sys.error 1
+pop temp 0
+goto L31
+label L30
+label L31
+push constant 7
+pop local 0
+label L32
+push local 0
+push constant 1
+neg
+gt
+not
+if-goto L33
+push local 3
+push static 0
+push local 0
+add
+pop pointer 1
+push that 0
+add
+pop local 2
+push local 2
+push local 2
+call Math.multiply 2
+pop local 1
+push local 1
+push argument 0
+gt
+not
+push local 1
+push constant 0
+gt
+and
+not
+if-goto L34
+push local 2
+pop local 3
+goto L35
+label L34
+label L35
+push local 0
+push constant 1
+sub
+pop local 0
+goto L32
+label L33
+push local 3
+return
+function Math.max 0
+push argument 0
+push argument 1
+gt
+not
+if-goto L36
+push argument 0
+return
+goto L37
+label L36
+label L37
+push argument 1
+return
+function Math.min 0
+push argument 0
+push argument 1
+lt
+not
+if-goto L38
+push argument 0
+return
+goto L39
+label L38
+label L39
+push argument 1
+return

projects/12/MathTest/MathTest.cmp

@@ -0,0 +1,2 @@
+|RAM[8000]|RAM[8001]|RAM[8002]|RAM[8003]|RAM[8004]|RAM[8005]|RAM[8006]|RAM[8007]|RAM[8008]|RAM[8009]|RAM[8010]|RAM[8011]|RAM[8012]|RAM[8013]|
+|       6 |    -180 |  -18000 |  -18000 |       0 |       3 |   -3000 |       0 |       3 |     181 |     123 |     123 |      27 |   32767 |

projects/12/MathTest/MathTest.tst

@@ -0,0 +1,15 @@
+// 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/MathTest/MathTest.tst
+
+load,
+output-file MathTest.out,
+compare-to MathTest.cmp,
+output-list RAM[8000]%D2.6.1 RAM[8001]%D2.6.1 RAM[8002]%D2.6.1 RAM[8003]%D2.6.1 RAM[8004]%D2.6.1 RAM[8005]%D2.6.1 RAM[8006]%D2.6.1 RAM[8007]%D2.6.1 RAM[8008]%D2.6.1 RAM[8009]%D2.6.1 RAM[8010]%D2.6.1 RAM[8011]%D2.6.1 RAM[8012]%D2.6.1 RAM[8013]%D2.6.1;
+
+repeat 1150000 {
+  vmstep;
+}
+
+output;

projects/12/MathTest/Memory.vm

@@ -0,0 +1,376 @@
+function Memory.init 0
+push constant 0
+pop static 0
+push constant 2048
+push static 0
+add
+push constant 14334
+pop temp 0
+pop pointer 1
+push temp 0
+pop that 0
+push constant 2049
+push static 0
+add
+push constant 2050
+pop temp 0
+pop pointer 1
+push temp 0
+pop that 0
+push constant 0
+return
+function Memory.peek 0
+push argument 0
+push static 0
+add
+pop pointer 1
+push that 0
+return
+function Memory.poke 0
+push argument 0
+push static 0
+add
+push argument 1
+pop temp 0
+pop pointer 1
+push temp 0
+pop that 0
+push constant 0
+return
+function Memory.alloc 2
+push argument 0
+push constant 0
+lt
+if-goto IF_TRUE0
+goto IF_FALSE0
+label IF_TRUE0
+push constant 5
+call Sys.error 1
+pop temp 0
+label IF_FALSE0
+push argument 0
+push constant 0
+eq
+if-goto IF_TRUE1
+goto IF_FALSE1
+label IF_TRUE1
+push constant 1
+pop argument 0
+label IF_FALSE1
+push constant 2048
+pop local 0
+label WHILE_EXP0
+push local 0
+push constant 16383
+lt
+push constant 0
+push local 0
+add
+pop pointer 1
+push that 0
+push argument 0
+lt
+and
+not
+if-goto WHILE_END0
+push constant 1
+push local 0
+add
+pop pointer 1
+push that 0
+pop local 1
+push constant 0
+push local 0
+add
+pop pointer 1
+push that 0
+push constant 0
+eq
+push local 1
+push constant 16382
+gt
+or
+push constant 0
+push local 1
+add
+pop pointer 1
+push that 0
+push constant 0
+eq
+or
+if-goto IF_TRUE2
+goto IF_FALSE2
+label IF_TRUE2
+push local 1
+pop local 0
+goto IF_END2
+label IF_FALSE2
+push constant 0
+push local 0
+add
+push constant 1
+push local 0
+add
+pop pointer 1
+push that 0
+push local 0
+sub
+push constant 0
+push local 1
+add
+pop pointer 1
+push that 0
+add
+pop temp 0
+pop pointer 1
+push temp 0
+pop that 0
+push constant 1
+push local 1
+add
+pop pointer 1
+push that 0
+push local 1
+push constant 2
+add
+eq
+if-goto IF_TRUE3
+goto IF_FALSE3
+label IF_TRUE3
+push constant 1
+push local 0
+add
+push local 0
+push constant 2
+add
+pop temp 0
+pop pointer 1
+push temp 0
+pop that 0
+goto IF_END3
+label IF_FALSE3
+push constant 1
+push local 0
+add
+push constant 1
+push local 1
+add
+pop pointer 1
+push that 0
+pop temp 0
+pop pointer 1
+push temp 0
+pop that 0
+label IF_END3
+label IF_END2
+goto WHILE_EXP0
+label WHILE_END0
+push local 0
+push argument 0
+add
+push constant 16379
+gt
+if-goto IF_TRUE4
+goto IF_FALSE4
+label IF_TRUE4
+push constant 6
+call Sys.error 1
+pop temp 0
+label IF_FALSE4
+push constant 0
+push local 0
+add
+pop pointer 1
+push that 0
+push argument 0
+push constant 2
+add
+gt
+if-goto IF_TRUE5
+goto IF_FALSE5
+label IF_TRUE5
+push argument 0
+push constant 2
+add
+push local 0
+add
+push constant 0
+push local 0
+add
+pop pointer 1
+push that 0
+push argument 0
+sub
+push constant 2
+sub
+pop temp 0
+pop pointer 1
+push temp 0
+pop that 0
+push constant 1
+push local 0
+add
+pop pointer 1
+push that 0
+push local 0
+push constant 2
+add
+eq
+if-goto IF_TRUE6
+goto IF_FALSE6
+label IF_TRUE6
+push argument 0
+push constant 3
+add
+push local 0
+add
+push local 0
+push argument 0
+add
+push constant 4
+add
+pop temp 0
+pop pointer 1
+push temp 0
+pop that 0
+goto IF_END6
+label IF_FALSE6
+push argument 0
+push constant 3
+add
+push local 0
+add
+push constant 1
+push local 0
+add
+pop pointer 1
+push that 0
+pop temp 0
+pop pointer 1
+push temp 0
+pop that 0
+label IF_END6
+push constant 1
+push local 0
+add
+push local 0
+push argument 0
+add
+push constant 2
+add
+pop temp 0
+pop pointer 1
+push temp 0
+pop that 0
+label IF_FALSE5
+push constant 0
+push local 0
+add
+push constant 0
+pop temp 0
+pop pointer 1
+push temp 0
+pop that 0
+push local 0
+push constant 2
+add
+return
+function Memory.deAlloc 2
+push argument 0
+push constant 2
+sub
+pop local 0
+push constant 1
+push local 0
+add
+pop pointer 1
+push that 0
+pop local 1
+push constant 0
+push local 1
+add
+pop pointer 1
+push that 0
+push constant 0
+eq
+if-goto IF_TRUE0
+goto IF_FALSE0
+label IF_TRUE0
+push constant 0
+push local 0
+add
+push constant 1
+push local 0
+add
+pop pointer 1
+push that 0
+push local 0
+sub
+push constant 2
+sub
+pop temp 0
+pop pointer 1
+push temp 0
+pop that 0
+goto IF_END0
+label IF_FALSE0
+push constant 0
+push local 0
+add
+push constant 1
+push local 0
+add
+pop pointer 1
+push that 0
+push local 0
+sub
+push constant 0
+push local 1
+add
+pop pointer 1
+push that 0
+add
+pop temp 0
+pop pointer 1
+push temp 0
+pop that 0
+push constant 1
+push local 1
+add
+pop pointer 1
+push that 0
+push local 1
+push constant 2
+add
+eq
+if-goto IF_TRUE1
+goto IF_FALSE1
+label IF_TRUE1
+push constant 1
+push local 0
+add
+push local 0
+push constant 2
+add
+pop temp 0
+pop pointer 1
+push temp 0
+pop that 0
+goto IF_END1
+label IF_FALSE1
+push constant 1
+push local 0
+add
+push constant 1
+push local 1
+add
+pop pointer 1
+push that 0
+pop temp 0
+pop pointer 1
+push temp 0
+pop that 0
+label IF_END1
+label IF_END0
+push constant 0
+return

projects/12/MathTest/Screen.vm

@@ -0,0 +1,806 @@
+function Screen.init 1
+push constant 16384
+pop static 1
+push constant 0
+not
+pop static 2
+push constant 17
+call Array.new 1
+pop static 0
+push constant 0
+push static 0
+add
+push constant 1
+pop temp 0
+pop pointer 1
+push temp 0
+pop that 0
+label WHILE_EXP0
+push local 0
+push constant 16
+lt
+not
+if-goto WHILE_END0
+push local 0
+push constant 1
+add
+pop local 0
+push local 0
+push static 0
+add
+push local 0
+push constant 1
+sub
+push static 0
+add
+pop pointer 1
+push that 0
+push local 0
+push constant 1
+sub
+push static 0
+add
+pop pointer 1
+push that 0
+add
+pop temp 0
+pop pointer 1
+push temp 0
+pop that 0
+goto WHILE_EXP0
+label WHILE_END0
+push constant 0
+return
+function Screen.clearScreen 1
+label WHILE_EXP0
+push local 0
+push constant 8192
+lt
+not
+if-goto WHILE_END0
+push local 0
+push static 1
+add
+push constant 0
+pop temp 0
+pop pointer 1
+push temp 0
+pop that 0
+push local 0
+push constant 1
+add
+pop local 0
+goto WHILE_EXP0
+label WHILE_END0
+push constant 0
+return
+function Screen.updateLocation 0
+push static 2
+if-goto IF_TRUE0
+goto IF_FALSE0
+label IF_TRUE0
+push argument 0
+push static 1
+add
+push argument 0
+push static 1
+add
+pop pointer 1
+push that 0
+push argument 1
+or
+pop temp 0
+pop pointer 1
+push temp 0
+pop that 0
+goto IF_END0
+label IF_FALSE0
+push argument 0
+push static 1
+add
+push argument 0
+push static 1
+add
+pop pointer 1
+push that 0
+push argument 1
+not
+and
+pop temp 0
+pop pointer 1
+push temp 0
+pop that 0
+label IF_END0
+push constant 0
+return
+function Screen.setColor 0
+push argument 0
+pop static 2
+push constant 0
+return
+function Screen.drawPixel 3
+push argument 0
+push constant 0
+lt
+push argument 0
+push constant 511
+gt
+or
+push argument 1
+push constant 0
+lt
+or
+push argument 1
+push constant 255
+gt
+or
+if-goto IF_TRUE0
+goto IF_FALSE0
+label IF_TRUE0
+push constant 7
+call Sys.error 1
+pop temp 0
+label IF_FALSE0
+push argument 0
+push constant 16
+call Math.divide 2
+pop local 0
+push argument 0
+push local 0
+push constant 16
+call Math.multiply 2
+sub
+pop local 1
+push argument 1
+push constant 32
+call Math.multiply 2
+push local 0
+add
+pop local 2
+push local 2
+push local 1
+push static 0
+add
+pop pointer 1
+push that 0
+call Screen.updateLocation 2
+pop temp 0
+push constant 0
+return
+function Screen.drawConditional 0
+push argument 2
+if-goto IF_TRUE0
+goto IF_FALSE0
+label IF_TRUE0
+push argument 1
+push argument 0
+call Screen.drawPixel 2
+pop temp 0
+goto IF_END0
+label IF_FALSE0
+push argument 0
+push argument 1
+call Screen.drawPixel 2
+pop temp 0
+label IF_END0
+push constant 0
+return
+function Screen.drawLine 11
+push argument 0
+push constant 0
+lt
+push argument 2
+push constant 511
+gt
+or
+push argument 1
+push constant 0
+lt
+or
+push argument 3
+push constant 255
+gt
+or
+if-goto IF_TRUE0
+goto IF_FALSE0
+label IF_TRUE0
+push constant 8
+call Sys.error 1
+pop temp 0
+label IF_FALSE0
+push argument 2
+push argument 0
+sub
+call Math.abs 1
+pop local 3
+push argument 3
+push argument 1
+sub
+call Math.abs 1
+pop local 2
+push local 3
+push local 2
+lt
+pop local 6
+push local 6
+push argument 3
+push argument 1
+lt
+and
+push local 6
+not
+push argument 2
+push argument 0
+lt
+and
+or
+if-goto IF_TRUE1
+goto IF_FALSE1
+label IF_TRUE1
+push argument 0
+pop local 4
+push argument 2
+pop argument 0
+push local 4
+pop argument 2
+push argument 1
+pop local 4
+push argument 3
+pop argument 1
+push local 4
+pop argument 3
+label IF_FALSE1
+push local 6
+if-goto IF_TRUE2
+goto IF_FALSE2
+label IF_TRUE2
+push local 3
+pop local 4
+push local 2
+pop local 3
+push local 4
+pop local 2
+push argument 1
+pop local 1
+push argument 0
+pop local 0
+push argument 3
+pop local 8
+push argument 0
+push argument 2
+gt
+pop local 7
+goto IF_END2
+label IF_FALSE2
+push argument 0
+pop local 1
+push argument 1
+pop local 0
+push argument 2
+pop local 8
+push argument 1
+push argument 3
+gt
+pop local 7
+label IF_END2
+push constant 2
+push local 2
+call Math.multiply 2
+push local 3
+sub
+pop local 5
+push constant 2
+push local 2
+call Math.multiply 2
+pop local 9
+push constant 2
+push local 2
+push local 3
+sub
+call Math.multiply 2
+pop local 10
+push local 1
+push local 0
+push local 6
+call Screen.drawConditional 3
+pop temp 0
+label WHILE_EXP0
+push local 1
+push local 8
+lt
+not
+if-goto WHILE_END0
+push local 5
+push constant 0
+lt
+if-goto IF_TRUE3
+goto IF_FALSE3
+label IF_TRUE3
+push local 5
+push local 9
+add
+pop local 5
+goto IF_END3
+label IF_FALSE3
+push local 5
+push local 10
+add
+pop local 5
+push local 7
+if-goto IF_TRUE4
+goto IF_FALSE4
+label IF_TRUE4
+push local 0
+push constant 1
+sub
+pop local 0
+goto IF_END4
+label IF_FALSE4
+push local 0
+push constant 1
+add
+pop local 0
+label IF_END4
+label IF_END3
+push local 1
+push constant 1
+add
+pop local 1
+push local 1
+push local 0
+push local 6
+call Screen.drawConditional 3
+pop temp 0
+goto WHILE_EXP0
+label WHILE_END0
+push constant 0
+return
+function Screen.drawRectangle 9
+push argument 0
+push argument 2
+gt
+push argument 1
+push argument 3
+gt
+or
+push argument 0
+push constant 0
+lt
+or
+push argument 2
+push constant 511
+gt
+or
+push argument 1
+push constant 0
+lt
+or
+push argument 3
+push constant 255
+gt
+or
+if-goto IF_TRUE0
+goto IF_FALSE0
+label IF_TRUE0
+push constant 9
+call Sys.error 1
+pop temp 0
+label IF_FALSE0
+push argument 0
+push constant 16
+call Math.divide 2
+pop local 3
+push argument 0
+push local 3
+push constant 16
+call Math.multiply 2
+sub
+pop local 7
+push argument 2
+push constant 16
+call Math.divide 2
+pop local 4
+push argument 2
+push local 4
+push constant 16
+call Math.multiply 2
+sub
+pop local 8
+push local 7
+push static 0
+add
+pop pointer 1
+push that 0
+push constant 1
+sub
+not
+pop local 6
+push local 8
+push constant 1
+add
+push static 0
+add
+pop pointer 1
+push that 0
+push constant 1
+sub
+pop local 5
+push argument 1
+push constant 32
+call Math.multiply 2
+push local 3
+add
+pop local 0
+push local 4
+push local 3
+sub
+pop local 2
+label WHILE_EXP0
+push argument 1
+push argument 3
+gt
+not
+not
+if-goto WHILE_END0
+push local 0
+push local 2
+add
+pop local 1
+push local 2
+push constant 0
+eq
+if-goto IF_TRUE1
+goto IF_FALSE1
+label IF_TRUE1
+push local 0
+push local 5
+push local 6
+and
+call Screen.updateLocation 2
+pop temp 0
+goto IF_END1
+label IF_FALSE1
+push local 0
+push local 6
+call Screen.updateLocation 2
+pop temp 0
+push local 0
+push constant 1
+add
+pop local 0
+label WHILE_EXP1
+push local 0
+push local 1
+lt
+not
+if-goto WHILE_END1
+push local 0
+push constant 1
+neg
+call Screen.updateLocation 2
+pop temp 0
+push local 0
+push constant 1
+add
+pop local 0
+goto WHILE_EXP1
+label WHILE_END1
+push local 1
+push local 5
+call Screen.updateLocation 2
+pop temp 0
+label IF_END1
+push argument 1
+push constant 1
+add
+pop argument 1
+push local 1
+push constant 32
+add
+push local 2
+sub
+pop local 0
+goto WHILE_EXP0
+label WHILE_END0
+push constant 0
+return
+function Screen.drawHorizontal 11
+push argument 1
+push argument 2
+call Math.min 2
+pop local 7
+push argument 1
+push argument 2
+call Math.max 2
+pop local 8
+push argument 0
+push constant 1
+neg
+gt
+push argument 0
+push constant 256
+lt
+and
+push local 7
+push constant 512
+lt
+and
+push local 8
+push constant 1
+neg
+gt
+and
+if-goto IF_TRUE0
+goto IF_FALSE0
+label IF_TRUE0
+push local 7
+push constant 0
+call Math.max 2
+pop local 7
+push local 8
+push constant 511
+call Math.min 2
+pop local 8
+push local 7
+push constant 16
+call Math.divide 2
+pop local 1
+push local 7
+push local 1
+push constant 16
+call Math.multiply 2
+sub
+pop local 9
+push local 8
+push constant 16
+call Math.divide 2
+pop local 2
+push local 8
+push local 2
+push constant 16
+call Math.multiply 2
+sub
+pop local 10
+push local 9
+push static 0
+add
+pop pointer 1
+push that 0
+push constant 1
+sub
+not
+pop local 5
+push local 10
+push constant 1
+add
+push static 0
+add
+pop pointer 1
+push that 0
+push constant 1
+sub
+pop local 4
+push argument 0
+push constant 32
+call Math.multiply 2
+push local 1
+add
+pop local 0
+push local 2
+push local 1
+sub
+pop local 6
+push local 0
+push local 6
+add
+pop local 3
+push local 6
+push constant 0
+eq
+if-goto IF_TRUE1
+goto IF_FALSE1
+label IF_TRUE1
+push local 0
+push local 4
+push local 5
+and
+call Screen.updateLocation 2
+pop temp 0
+goto IF_END1
+label IF_FALSE1
+push local 0
+push local 5
+call Screen.updateLocation 2
+pop temp 0
+push local 0
+push constant 1
+add
+pop local 0
+label WHILE_EXP0
+push local 0
+push local 3
+lt
+not
+if-goto WHILE_END0
+push local 0
+push constant 1
+neg
+call Screen.updateLocation 2
+pop temp 0
+push local 0
+push constant 1
+add
+pop local 0
+goto WHILE_EXP0
+label WHILE_END0
+push local 3
+push local 4
+call Screen.updateLocation 2
+pop temp 0
+label IF_END1
+label IF_FALSE0
+push constant 0
+return
+function Screen.drawSymetric 0
+push argument 1
+push argument 3
+sub
+push argument 0
+push argument 2
+add
+push argument 0
+push argument 2
+sub
+call Screen.drawHorizontal 3
+pop temp 0
+push argument 1
+push argument 3
+add
+push argument 0
+push argument 2
+add
+push argument 0
+push argument 2
+sub
+call Screen.drawHorizontal 3
+pop temp 0
+push argument 1
+push argument 2
+sub
+push argument 0
+push argument 3
+sub
+push argument 0
+push argument 3
+add
+call Screen.drawHorizontal 3
+pop temp 0
+push argument 1
+push argument 2
+add
+push argument 0
+push argument 3
+sub
+push argument 0
+push argument 3
+add
+call Screen.drawHorizontal 3
+pop temp 0
+push constant 0
+return
+function Screen.drawCircle 3
+push argument 0
+push constant 0
+lt
+push argument 0
+push constant 511
+gt
+or
+push argument 1
+push constant 0
+lt
+or
+push argument 1
+push constant 255
+gt
+or
+if-goto IF_TRUE0
+goto IF_FALSE0
+label IF_TRUE0
+push constant 12
+call Sys.error 1
+pop temp 0
+label IF_FALSE0
+push argument 0
+push argument 2
+sub
+push constant 0
+lt
+push argument 0
+push argument 2
+add
+push constant 511
+gt
+or
+push argument 1
+push argument 2
+sub
+push constant 0
+lt
+or
+push argument 1
+push argument 2
+add
+push constant 255
+gt
+or
+if-goto IF_TRUE1
+goto IF_FALSE1
+label IF_TRUE1
+push constant 13
+call Sys.error 1
+pop temp 0
+label IF_FALSE1
+push argument 2
+pop local 1
+push constant 1
+push argument 2
+sub
+pop local 2
+push argument 0
+push argument 1
+push local 0
+push local 1
+call Screen.drawSymetric 4
+pop temp 0
+label WHILE_EXP0
+push local 1
+push local 0
+gt
+not
+if-goto WHILE_END0
+push local 2
+push constant 0
+lt
+if-goto IF_TRUE2
+goto IF_FALSE2
+label IF_TRUE2
+push local 2
+push constant 2
+push local 0
+call Math.multiply 2
+add
+push constant 3
+add
+pop local 2
+goto IF_END2
+label IF_FALSE2
+push local 2
+push constant 2
+push local 0
+push local 1
+sub
+call Math.multiply 2
+add
+push constant 5
+add
+pop local 2
+push local 1
+push constant 1
+sub
+pop local 1
+label IF_END2
+push local 0
+push constant 1
+add
+pop local 0
+push argument 0
+push argument 1
+push local 0
+push local 1
+call Screen.drawSymetric 4
+pop temp 0
+goto WHILE_EXP0
+label WHILE_END0
+push constant 0
+return

projects/12/MathTest/String.vm

@@ -0,0 +1,393 @@
+function String.new 0
+push constant 3
+call Memory.alloc 1
+pop pointer 0
+push argument 0
+push constant 0
+lt
+if-goto IF_TRUE0
+goto IF_FALSE0
+label IF_TRUE0
+push constant 14
+call Sys.error 1
+pop temp 0
+label IF_FALSE0
+push argument 0
+push constant 0
+gt
+if-goto IF_TRUE1
+goto IF_FALSE1
+label IF_TRUE1
+push argument 0
+call Array.new 1
+pop this 1
+label IF_FALSE1
+push argument 0
+pop this 0
+push constant 0
+pop this 2
+push pointer 0
+return
+function String.dispose 0
+push argument 0
+pop pointer 0
+push this 0
+push constant 0
+gt
+if-goto IF_TRUE0
+goto IF_FALSE0
+label IF_TRUE0
+push this 1
+call Array.dispose 1
+pop temp 0
+label IF_FALSE0
+push pointer 0
+call Memory.deAlloc 1
+pop temp 0
+push constant 0
+return
+function String.length 0
+push argument 0
+pop pointer 0
+push this 2
+return
+function String.charAt 0
+push argument 0
+pop pointer 0
+push argument 1
+push constant 0
+lt
+push argument 1
+push this 2
+gt
+or
+push argument 1
+push this 2
+eq
+or
+if-goto IF_TRUE0
+goto IF_FALSE0
+label IF_TRUE0
+push constant 15
+call Sys.error 1
+pop temp 0
+label IF_FALSE0
+push argument 1
+push this 1
+add
+pop pointer 1
+push that 0
+return
+function String.setCharAt 0
+push argument 0
+pop pointer 0
+push argument 1
+push constant 0
+lt
+push argument 1
+push this 2
+gt
+or
+push argument 1
+push this 2
+eq
+or
+if-goto IF_TRUE0
+goto IF_FALSE0
+label IF_TRUE0
+push constant 16
+call Sys.error 1
+pop temp 0
+label IF_FALSE0
+push argument 1
+push this 1
+add
+push argument 2
+pop temp 0
+pop pointer 1
+push temp 0
+pop that 0
+push constant 0
+return
+function String.appendChar 0
+push argument 0
+pop pointer 0
+push this 2
+push this 0
+eq
+if-goto IF_TRUE0
+goto IF_FALSE0
+label IF_TRUE0
+push constant 17
+call Sys.error 1
+pop temp 0
+label IF_FALSE0
+push this 2
+push this 1
+add
+push argument 1
+pop temp 0
+pop pointer 1
+push temp 0
+pop that 0
+push this 2
+push constant 1
+add
+pop this 2
+push pointer 0
+return
+function String.eraseLastChar 0
+push argument 0
+pop pointer 0
+push this 2
+push constant 0
+eq
+if-goto IF_TRUE0
+goto IF_FALSE0
+label IF_TRUE0
+push constant 18
+call Sys.error 1
+pop temp 0
+label IF_FALSE0
+push this 2
+push constant 1
+sub
+pop this 2
+push constant 0
+return
+function String.intValue 5
+push argument 0
+pop pointer 0
+push this 2
+push constant 0
+eq
+if-goto IF_TRUE0
+goto IF_FALSE0
+label IF_TRUE0
+push constant 0
+return
+label IF_FALSE0
+push constant 0
+not
+pop local 3
+push constant 0
+push this 1
+add
+pop pointer 1
+push that 0
+push constant 45
+eq
+if-goto IF_TRUE1
+goto IF_FALSE1
+label IF_TRUE1
+push constant 0
+not
+pop local 4
+push constant 1
+pop local 0
+label IF_FALSE1
+label WHILE_EXP0
+push local 0
+push this 2
+lt
+push local 3
+and
+not
+if-goto WHILE_END0
+push local 0
+push this 1
+add
+pop pointer 1
+push that 0
+push constant 48
+sub
+pop local 2
+push local 2
+push constant 0
+lt
+push local 2
+push constant 9
+gt
+or
+not
+pop local 3
+push local 3
+if-goto IF_TRUE2
+goto IF_FALSE2
+label IF_TRUE2
+push local 1
+push constant 10
+call Math.multiply 2
+push local 2
+add
+pop local 1
+push local 0
+push constant 1
+add
+pop local 0
+label IF_FALSE2
+goto WHILE_EXP0
+label WHILE_END0
+push local 4
+if-goto IF_TRUE3
+goto IF_FALSE3
+label IF_TRUE3
+push local 1
+neg
+pop local 1
+label IF_FALSE3
+push local 1
+return
+function String.setInt 4
+push argument 0
+pop pointer 0
+push this 0
+push constant 0
+eq
+if-goto IF_TRUE0
+goto IF_FALSE0
+label IF_TRUE0
+push constant 19
+call Sys.error 1
+pop temp 0
+label IF_FALSE0
+push constant 6
+call Array.new 1
+pop local 2
+push argument 1
+push constant 0
+lt
+if-goto IF_TRUE1
+goto IF_FALSE1
+label IF_TRUE1
+push constant 0
+not
+pop local 3
+push argument 1
+neg
+pop argument 1
+label IF_FALSE1
+push argument 1
+pop local 1
+label WHILE_EXP0
+push local 1
+push constant 0
+gt
+not
+if-goto WHILE_END0
+push argument 1
+push constant 10
+call Math.divide 2
+pop local 1
+push local 0
+push local 2
+add
+push constant 48
+push argument 1
+push local 1
+push constant 10
+call Math.multiply 2
+sub
+add
+pop temp 0
+pop pointer 1
+push temp 0
+pop that 0
+push local 0
+push constant 1
+add
+pop local 0
+push local 1
+pop argument 1
+goto WHILE_EXP0
+label WHILE_END0
+push local 3
+if-goto IF_TRUE2
+goto IF_FALSE2
+label IF_TRUE2
+push local 0
+push local 2
+add
+push constant 45
+pop temp 0
+pop pointer 1
+push temp 0
+pop that 0
+push local 0
+push constant 1
+add
+pop local 0
+label IF_FALSE2
+push this 0
+push local 0
+lt
+if-goto IF_TRUE3
+goto IF_FALSE3
+label IF_TRUE3
+push constant 19
+call Sys.error 1
+pop temp 0
+label IF_FALSE3
+push local 0
+push constant 0
+eq
+if-goto IF_TRUE4
+goto IF_FALSE4
+label IF_TRUE4
+push constant 0
+push this 1
+add
+push constant 48
+pop temp 0
+pop pointer 1
+push temp 0
+pop that 0
+push constant 1
+pop this 2
+goto IF_END4
+label IF_FALSE4
+push constant 0
+pop this 2
+label WHILE_EXP1
+push this 2
+push local 0
+lt
+not
+if-goto WHILE_END1
+push this 2
+push this 1
+add
+push local 0
+push this 2
+push constant 1
+add
+sub
+push local 2
+add
+pop pointer 1
+push that 0
+pop temp 0
+pop pointer 1
+push temp 0
+pop that 0
+push this 2
+push constant 1
+add
+pop this 2
+goto WHILE_EXP1
+label WHILE_END1
+label IF_END4
+push local 2
+call Array.dispose 1
+pop temp 0
+push constant 0
+return
+function String.newLine 0
+push constant 128
+return
+function String.backSpace 0
+push constant 129
+return
+function String.doubleQuote 0
+push constant 34
+return

projects/12/MathTest/Sys.vm

@@ -0,0 +1,83 @@
+function Sys.init 0
+call Memory.init 0
+pop temp 0
+call Math.init 0
+pop temp 0
+call Screen.init 0
+pop temp 0
+call Output.init 0
+pop temp 0
+call Keyboard.init 0
+pop temp 0
+call Main.main 0
+pop temp 0
+call Sys.halt 0
+pop temp 0
+push constant 0
+return
+function Sys.halt 0
+label WHILE_EXP0
+push constant 0
+not
+not
+if-goto WHILE_END0
+goto WHILE_EXP0
+label WHILE_END0
+push constant 0
+return
+function Sys.wait 1
+push argument 0
+push constant 0
+lt
+if-goto IF_TRUE0
+goto IF_FALSE0
+label IF_TRUE0
+push constant 1
+call Sys.error 1
+pop temp 0
+label IF_FALSE0
+label WHILE_EXP0
+push argument 0
+push constant 0
+gt
+not
+if-goto WHILE_END0
+push constant 50
+pop local 0
+label WHILE_EXP1
+push local 0
+push constant 0
+gt
+not
+if-goto WHILE_END1
+push local 0
+push constant 1
+sub
+pop local 0
+goto WHILE_EXP1
+label WHILE_END1
+push argument 0
+push constant 1
+sub
+pop argument 0
+goto WHILE_EXP0
+label WHILE_END0
+push constant 0
+return
+function Sys.error 0
+push constant 69
+call Output.printChar 1
+pop temp 0
+push constant 82
+call Output.printChar 1
+pop temp 0
+push constant 82
+call Output.printChar 1
+pop temp 0
+push argument 0
+call Output.printInt 1
+pop temp 0
+call Sys.halt 0
+pop temp 0
+push constant 0
+return