24 lines
927 B
Plaintext
Executable File
24 lines
927 B
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/03/b/RAM16K.hdl
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/**
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* Memory of 16K registers, each 16 bit-wide. Out holds the value
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* stored at the memory location specified by address. If load==1, then
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* the in value is loaded into the memory location specified by address
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* (the loaded value will be emitted to out from the next time step onward).
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*/
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CHIP RAM16K {
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IN in[16], load, address[14];
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OUT out[16];
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PARTS:
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DMux4Way(in=load,sel=address[0..1],a=a,b=b,c=c,d=d);
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RAM4K(in=in,load=a,address=address[2..13],out=outa);
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RAM4K(in=in,load=b,address=address[2..13],out=outb);
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RAM4K(in=in,load=c,address=address[2..13],out=outc);
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RAM4K(in=in,load=d,address=address[2..13],out=outd);
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Mux4Way16(a=outa,b=outb,c=outc,d=outd,sel=address[0..1],out=out);
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} |