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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/02/Adder16.hdl
-
-/**
- * Adds two 16-bit values.
- * The most significant carry bit is ignored.
- */
-
-CHIP Add16 {
- IN a[16], b[16];
- OUT out[16];
-
- PARTS:
- // Put you code here:
- HalfAdder (a=a[0], b=b[0], sum=out[0], carry=carry0);
- FullAdder (a=a[1], b=b[1], c=carry0, sum=out[1], carry=carry1);
- FullAdder (a=a[2], b=b[2], c=carry1, sum=out[2], carry=carry2);
- FullAdder (a=a[3], b=b[3], c=carry2, sum=out[3], carry=carry3);
- FullAdder (a=a[4], b=b[4], c=carry3, sum=out[4], carry=carry4);
- FullAdder (a=a[5], b=b[5], c=carry4, sum=out[5], carry=carry5);
- FullAdder (a=a[6], b=b[6], c=carry5, sum=out[6], carry=carry6);
- FullAdder (a=a[7], b=b[7], c=carry6, sum=out[7], carry=carry7);
- FullAdder (a=a[8], b=b[8], c=carry7, sum=out[8], carry=carry8);
- FullAdder (a=a[9], b=b[9], c=carry8, sum=out[9], carry=carry9);
- FullAdder (a=a[10], b=b[10], c=carry9, sum=out[10], carry=carry10);
- FullAdder (a=a[11], b=b[11], c=carry10, sum=out[11], carry=carry11);
- FullAdder (a=a[12], b=b[12], c=carry11, sum=out[12], carry=carry12);
- FullAdder (a=a[13], b=b[13], c=carry12, sum=out[13], carry=carry13);
- FullAdder (a=a[14], b=b[14], c=carry13, sum=out[14], carry=carry14);
- FullAdder (a=a[15], b=b[15], c=carry14, sum=out[15], carry=carry15);
-}