28 lines
742 B
Plaintext
28 lines
742 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/Mux8Way16.hdl
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/**
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* 8-way 16-bit multiplexor:
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* out = a if sel == 000
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* b if sel == 001
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* etc.
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* h if sel == 111
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*/
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CHIP Mux8Way16 {
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IN a[16], b[16], c[16], d[16],
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e[16], f[16], g[16], h[16],
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sel[3];
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OUT out[16];
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PARTS:
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Mux16(a=a,b=b,sel=sel[0],out=out11);
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Mux16(a=c,b=d,sel=sel[0],out=out12);
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Mux16(a=e,b=f,sel=sel[0],out=out13);
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Mux16(a=g,b=h,sel=sel[0],out=out14);
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Mux16(a=out11,b=out12,sel=sel[1],out=out21);
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Mux16(a=out13,b=out14,sel=sel[1],out=out22);
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Mux16(a=out21,b=out22,sel=sel[2],out=out);
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} |