project12 - add files

12/MathTest/Main.jack

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+// This file is part of www.nand2tetris.org
+// and the book "The Elements of Computing Systems"
+// by Nisan and Schocken, MIT Press.
+// File name: projects/12/MathTest/Main.jack
+
+// Tests 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;   // Base address
+    
+        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);       // (2^15 - 2) / (2^15 - 1) = 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;
+    }
+}

12/MathTest/MathTest.tst

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+// This file is part of www.nand2tetris.org
+// and the book "The Elements of Computing Systems"
+// by Nisan and Schocken, MIT Press.
+// File name: projects/12/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 1000000 {
+  vmstep;
+}
+
+output;