// 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=ao,b=bo);

	DMux(in=ao,sel=sel[1],a=aoo,b=boo);
	DMux(in=bo,sel=sel[1],a=coo,b=doo);

	DMux(in=aoo,sel=sel[0],a=a,b=b);
	DMux(in=boo,sel=sel[0],a=c,b=d);
	DMux(in=coo,sel=sel[0],a=e,b=f);
	DMux(in=doo,sel=sel[0],a=g,b=h);
}