24 lines
1004 B
Plaintext
24 lines
1004 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/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=load1, b=load2, c=load3, d=load4);
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RAM4K(in=in, load=load1, address=address[2..13], out=outram1);
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RAM4K(in=in, load=load2, address=address[2..13], out=outram2);
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RAM4K(in=in, load=load3, address=address[2..13], out=outram3);
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RAM4K(in=in, load=load4, address=address[2..13], out=outram4);
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Mux4Way16(a=outram1, b=outram2, c=outram3, d=outram4,sel=address[0..1], out=out);
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} |