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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/FullAdder.hdl
-
-/**
- * Computes the sum of three bits.
- */
-
-CHIP FullAdder {
- IN a, b, c; // 1-bit inputs
- OUT sum, // Right bit of a + b + c
- carry; // Left bit of a + b + c
-
- PARTS:
- // Put you code here:
- HalfAdder (a=a, b=b, sum=sum1, carry=carry1);
- HalfAdder (a=sum1, b=c, sum=sum, carry=carry2);
- Or (a=carry1, b=carry2, out=carry);
-}