Or16.hdl

// 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/Or16.hdl

/**
 * 16-bit bitwise Or:
 * for i = 0..15 out[i] = (a[i] or b[i])
 */

CHIP Or16 {
    IN a[16], b[16];
    OUT out[16];

    PARTS:
    // Put your code here:

Nand(a=a[0],b=a[0],out=w1);
Nand(a=b[0],b=b[0],out=w2);
Nand(a=w1,b=w2,out=out[0]);


Nand(a=a[1],b=a[1],out=w3);
Nand(a=b[1],b=b[1],out=w4);
Nand(a=w3,b=w4,out=out[1]);


Nand(a=a[2],b=a[2],out=w5);
Nand(a=b[2],b=b[2],out=w6);
Nand(a=w5,b=w6,out=out[2]);


Nand(a=a[3],b=a[3],out=w7);
Nand(a=b[3],b=b[3],out=w8);
Nand(a=w7,b=w8,out=out[3]);


Nand(a=a[4],b=a[4],out=w9);
Nand(a=b[4],b=b[4],out=w10);
Nand(a=w9,b=w10,out=out[4]);


Nand(a=a[5],b=a[5],out=w11);
Nand(a=b[5],b=b[5],out=w12);
Nand(a=w11,b=w12,out=out[5]);


Nand(a=a[6],b=a[6],out=w13);
Nand(a=b[6],b=b[6],out=w14);
Nand(a=w13,b=w14,out=out[6]);


Nand(a=a[7],b=a[7],out=w15);
Nand(a=b[7],b=b[7],out=w16);
Nand(a=w15,b=w16,out=out[7]);


Nand(a=a[8],b=a[8],out=w17);
Nand(a=b[8],b=b[8],out=w18);
Nand(a=w17,b=w18,out=out[8]);


Nand(a=a[9],b=a[9],out=w19);
Nand(a=b[9],b=b[9],out=w20);
Nand(a=w19,b=w20,out=out[9]);


Nand(a=a[10],b=a[10],out=w21);
Nand(a=b[10],b=b[10],out=w22);
Nand(a=w21,b=w22,out=out[10]);


Nand(a=a[11],b=a[11],out=w23);
Nand(a=b[11],b=b[11],out=w24);
Nand(a=w23,b=w24,out=out[11]);


Nand(a=a[12],b=a[12],out=w25);
Nand(a=b[12],b=b[12],out=w26);
Nand(a=w25,b=w26,out=out[12]);


Nand(a=a[13],b=a[13],out=w27);
Nand(a=b[13],b=b[13],out=w28);
Nand(a=w27,b=w28,out=out[13]);


Nand(a=a[14],b=a[14],out=w29);
Nand(a=b[14],b=b[14],out=w30);
Nand(a=w29,b=w30,out=out[14]);


Nand(a=a[15],b=a[15],out=w31);
Nand(a=b[15],b=b[15],out=w32);
Nand(a=w31,b=w32,out=out[15]);
}