initial

tools/builtInChips/Xor.hdl

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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: tools/builtIn/Xor.hdl
+
+/**
+ *  Exclusive-or gate: out = !(a == b).
+ */
+
+CHIP Xor {
+
+    IN  a, b;
+    OUT out;
+
+    BUILTIN Xor;
+}