From d3a0cc3a8ba6dfeb64d3faeffdeb6845b60e5840 Mon Sep 17 00:00:00 2001
From: Yuchen Pei <me@ypei.me>
Date: Sat, 20 Jan 2018 15:41:49 +0100
Subject: rearranged the dir for github

- removed tools and pdfs
- rearranged the projects dirs
- added md files
- other minor changes
---
 chips/Or.hdl | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)
 create mode 100644 chips/Or.hdl

(limited to 'chips/Or.hdl')

diff --git a/chips/Or.hdl b/chips/Or.hdl
new file mode 100644
index 0000000..f539fbf
--- /dev/null
+++ b/chips/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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