Projects, 01-06 completed

1 files changed, 21 insertions, 0 deletions

diff --git a/projects/01/Xor.hdl b/projects/01/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: projects/01/Xor.hdl

+

+/**

+ * Exclusive-or gate:

+ * out = not (a == b)

+ */

+

+CHIP Xor {

+    IN a, b;

+    OUT out;

+

+    PARTS:

+    Not(in=a, out=na);

+    Not(in=b, out=nb);

+    Nand(a=a, b=nb, out=c);

+    Nand(a=na, b=b, out=d);

+    Nand(a=c, b=d, out=out);

+}