From 9542deeb483a00b6fabed7574720926ce97d7511 Mon Sep 17 00:00:00 2001
From: Frederick Yin <fkfd@fkfd.me>
Date: Tue, 16 Aug 2022 11:54:23 +0800
Subject: Projects, 01-06 completed

---
 projects/01/DMux4Way.hdl | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)
 create mode 100644 projects/01/DMux4Way.hdl

(limited to 'projects/01/DMux4Way.hdl')

diff --git a/projects/01/DMux4Way.hdl b/projects/01/DMux4Way.hdl
new file mode 100644
index 0000000..208c008
--- /dev/null
+++ b/projects/01/DMux4Way.hdl
@@ -0,0 +1,22 @@
+// 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/DMux4Way.hdl
+
+/**
+ * 4-way demultiplexor:
+ * {a, b, c, d} = {in, 0, 0, 0} if sel == 00
+ *                {0, in, 0, 0} if sel == 01
+ *                {0, 0, in, 0} if sel == 10
+ *                {0, 0, 0, in} if sel == 11
+ */
+
+CHIP DMux4Way {
+    IN in, sel[2];
+    OUT a, b, c, d;
+
+    PARTS:
+    DMux(in=in, sel=sel[1], a=ab, b=cd);
+    DMux(in=ab, sel=sel[0], a=a, b=b);
+    DMux(in=cd, sel=sel[0], a=c, b=d);
+}
-- 
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