From a000308104aab27c2dde9a306f1bc654b2db4806 Mon Sep 17 00:00:00 2001
From: Yuchen Pei <me@ypei.me>
Date: Wed, 29 Nov 2017 12:30:41 +0100
Subject: first commit

---
 projects/01/Or.hdl | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)
 create mode 100644 projects/01/Or.hdl

(limited to 'projects/01/Or.hdl')

diff --git a/projects/01/Or.hdl b/projects/01/Or.hdl
new file mode 100644
index 0000000..f539fbf
--- /dev/null
+++ b/projects/01/Or.hdl
@@ -0,0 +1,21 @@
+// 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/Or.hdl
+
+ /**
+ * Or gate:
+ * out = 1 if (a == 1 or b == 1)
+ *       0 otherwise
+ */
+
+CHIP Or {
+    IN a, b;
+    OUT out;
+
+    PARTS:
+    // Put your code here:
+    Not (in=a, out=nota);
+    Not (in=b, out=notb);
+    Nand (a=nota, b=notb, out=out);
+}
-- 
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