Projects, 01-06 completed

1 files changed, 26 insertions, 0 deletions

diff --git a/projects/01/DMux8Way.hdl b/projects/01/DMux8Way.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/DMux8Way.hdl

+

+/**

+ * 8-way demultiplexor:

+ * {a, b, c, d, e, f, g, h} = {in, 0, 0, 0, 0, 0, 0, 0} if sel == 000

+ *                            {0, in, 0, 0, 0, 0, 0, 0} if sel == 001

+ *                            etc.

+ *                            {0, 0, 0, 0, 0, 0, 0, in} if sel == 111

+ */

+

+CHIP DMux8Way {

+    IN in, sel[3];

+    OUT a, b, c, d, e, f, g, h;

+

+    PARTS:

+    DMux(in=in, sel=sel[2], a=ad, b=eh);

+    DMux(in=ad, sel=sel[1], a=ab, b=cd);

+    DMux(in=eh, sel=sel[1], a=ef, b=gh);

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

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

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

+    DMux(in=gh, sel=sel[0], a=g, b=h);

+}