22 lines
430 B
Plaintext
22 lines
430 B
Plaintext
// 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: projects/01/Or.hdl
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/**
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* Nor gate:
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* out = 0 if (a == 1 or b == 1)
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* 1 otherwise
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*/
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CHIP Nor {
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IN a, b;
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OUT out;
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PARTS:
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Nand (a=a, b=a, out=tmp1);
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Nand (a=b, b=b, out=tmp2);
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Nand (a=tmp1, b=tmp2, out=tmp3);
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Nand (a=tmp3, b=tmp3, out=out);
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}
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