28 lines
532 B
Plaintext
28 lines
532 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/Or8Way.hdl
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/**
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* 8-way Or:
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* out = (in[0] or in[1] or ... or in[7])
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*/
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// COST = 7x3 = 21 NAND Gates
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CHIP Or8Way {
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IN in[8];
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OUT out;
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PARTS:
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Or(a=in[0], b=in[1], out=p);
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Or(a=in[2], b=in[3], out=q);
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Or(a=in[4], b=in[5], out=r);
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Or(a=in[6], b=in[7], out=s);
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Or(a=p, b=q, out=x);
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Or(a=r, b=s, out=y);
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Or(a=x, b=y, out=out);
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}
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