// 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/Mux16.hdl

/**
 * 16-bit multiplexor: 
 * for i = 0..15 out[i] = a[i] if sel == 0 
 *                        b[i] if sel == 1
 */

CHIP Mux16 {
    IN a[16], b[16], sel;
    OUT out[16];

    PARTS:
        Not(in=sel,out=notsel);
        And16(a=a,b[0]=notsel,b[1]=notsel,b[2]=notsel,b[3]=notsel,b[4]=notsel,b[5]=notsel,b[6]=notsel,b[7]=notsel,b[8]=notsel,b[9]=notsel,b[10]=notsel,b[11]=notsel,b[12]=notsel,b[13]=notsel,b[14]=notsel,b[15]=notsel,out=outand1);
        And16(a[0]=sel,a[1]=sel,a[2]=sel,a[3]=sel,a[4]=sel,a[5]=sel,a[6]=sel,a[7]=sel,a[8]=sel,a[9]=sel,a[10]=sel,a[11]=sel,a[12]=sel,a[13]=sel,a[14]=sel,a[15]=sel,b=b,out=outand2);
        Or16(a=outand1,b=outand2,out=out);
}