29 lines
729 B
VHDL
29 lines
729 B
VHDL
// 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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* c if sel == 010
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* d if sel == 011
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* e if sel == 100
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* f if sel == 101
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* g if sel == 110
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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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Mux4Way16(a=a, b=b, c=c, d=d, sel[0]=sel[0],sel[1]=sel[1], out=w);
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Mux4Way16(a=e, b=f, c=g, d=h, sel[0]=sel[0],sel[1]=sel[1], out=x);
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Mux16(a=w, b=x, sel=sel[2], out=out);
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}
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