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nand2tetris/projects/01/Mux4Way16.hdl
2014-11-10 21:50:48 -08:00

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// This file is part of www.nand2tetris.org
// and the book "The Elements of Computing Systems"
// by Nisan and Schocken, MIT Press.
// File name: projects/01/Mux4Way16.hdl
/**
* 4-way 16-bit multiplexor:
* out = a if sel == 00
* b if sel == 01
* c if sel == 10
* d if sel == 11
*/
CHIP Mux4Way16 {
IN a[16], b[16], c[16], d[16], sel[2];
OUT out[16];
PARTS:
Mux16(a=a, b=b, sel=sel[0], out=m0);
Mux16(a=c, b=d, sel=sel[0], out=m1);
Mux16(a=m0, b=m1, sel=sel[1], out=out);
}