rearranged the dir for github

- removed tools and pdfs
- rearranged the projects dirs
- added md files
- other minor changes

1 files changed, 23 insertions, 0 deletions

diff --git a/chips/DMux4Way.hdl b/chips/DMux4Way.hdl
new file mode 100644
index 0000000..18b725d
--- /dev/null
+++ b/chips/DMux4Way.hdl
@@ -0,0 +1,23 @@
+// 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:

+    // Put your code here:

+    DMux (in=in, sel=sel[1], a=e, b=f);

+    DMux (in=e, sel=sel[0], a=a, b=b);

+    DMux (in=f, sel=sel[0], a=c, b=d);

+}