Mux4way16

// 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/Mux4Way16.hdl

/**
 * 4-way 16-bit multiplexor:
 * out = a if sel == 00
 *       b if sel == 01
 *       c if sel == 10
 *       d if sel == 11
 */

CHIP Mux4Way16 {
    IN a[16], b[16], c[16], d[16], sel[2];
    OUT out[16];

    PARTS:


   Mux4Way16(a=a,b=b,c=c,d=d,sel=sel[0..1],out=out1);
   Mux4Way16(a=e,b=f,c=g,d=h,sel=sel[0..1],out=out2);
   Mux16(a=out1,b=out2,sel=sel[2],out=out);
    // Put your code here:
}