18 lines
437 B
Text
18 lines
437 B
Text
// This file is part of www.nand2tetris.org
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// and the book "The Elements of Computing Systems"
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// by Nisan and Schocken, MIT Press.
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// File name: tools/builtIn/HalfAdder.hdl
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/**
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* Half adder. Computes sum, the least significnat bit of a + b,
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* and carry, the most significnat bit of a + b.
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*/
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CHIP HalfAdder {
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IN a, b;
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OUT sum, // LSB of a + b
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carry; // MSB of a + b
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BUILTIN HalfAdder;
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}
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