Add project 2 template files

02/HalfAdder.tst

@@ -0,0 +1,29 @@
+// 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/2/HalfAdder.tst
+
+load HalfAdder.hdl,
+output-file HalfAdder.out,
+compare-to HalfAdder.cmp,
+output-list a b sum carry;
+
+set a 0,
+set b 0,
+eval,
+output;
+
+set a 0,
+set b 1,
+eval,
+output;
+
+set a 1,
+set b 0,
+eval,
+output;
+
+set a 1,
+set b 1,
+eval,
+output;