38 lines
1.6 KiB
Plaintext
Executable File
38 lines
1.6 KiB
Plaintext
Executable File
// 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/Mux4Way16.hdl
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/**
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* 4-way 16-bit multiplexor:
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* out = a if sel == 00
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* b if sel == 01
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* c if sel == 10
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* d if sel == 11
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*/
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CHIP Mux4Way16 {
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IN a[16], b[16], c[16], d[16], sel[2];
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OUT out[16];
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PARTS:
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Mux4Way(a=a[0],b=b[0],c=c[0],d=d[0],sel0=sel[0],sel1=sel[1],out=out[0]);
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Mux4Way(a=a[1],b=b[1],c=c[1],d=d[1],sel0=sel[0],sel1=sel[1],out=out[1]);
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Mux4Way(a=a[2],b=b[2],c=c[2],d=d[2],sel0=sel[0],sel1=sel[1],out=out[2]);
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Mux4Way(a=a[3],b=b[3],c=c[3],d=d[3],sel0=sel[0],sel1=sel[1],out=out[3]);
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Mux4Way(a=a[4],b=b[4],c=c[4],d=d[4],sel0=sel[0],sel1=sel[1],out=out[4]);
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Mux4Way(a=a[5],b=b[5],c=c[5],d=d[5],sel0=sel[0],sel1=sel[1],out=out[5]);
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Mux4Way(a=a[6],b=b[6],c=c[6],d=d[6],sel0=sel[0],sel1=sel[1],out=out[6]);
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Mux4Way(a=a[7],b=b[7],c=c[7],d=d[7],sel0=sel[0],sel1=sel[1],out=out[7]);
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Mux4Way(a=a[8],b=b[8],c=c[8],d=d[8],sel0=sel[0],sel1=sel[1],out=out[8]);
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Mux4Way(a=a[9],b=b[9],c=c[9],d=d[9],sel0=sel[0],sel1=sel[1],out=out[9]);
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Mux4Way(a=a[10],b=b[10],c=c[10],d=d[10],sel0=sel[0],sel1=sel[1],out=out[10]);
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Mux4Way(a=a[11],b=b[11],c=c[11],d=d[11],sel0=sel[0],sel1=sel[1],out=out[11]);
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Mux4Way(a=a[12],b=b[12],c=c[12],d=d[12],sel0=sel[0],sel1=sel[1],out=out[12]);
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Mux4Way(a=a[13],b=b[13],c=c[13],d=d[13],sel0=sel[0],sel1=sel[1],out=out[13]);
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Mux4Way(a=a[14],b=b[14],c=c[14],d=d[14],sel0=sel[0],sel1=sel[1],out=out[14]);
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Mux4Way(a=a[15],b=b[15],c=c[15],d=d[15],sel0=sel[0],sel1=sel[1],out=out[15]);
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} |