RAM8


// 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/03/a/RAM8.hdl
/**
* Memory of 8 registers, each 16 bit-wide. Out holds the value
* stored at the memory location specified by address. If load==1, then
* the in value is loaded into the memory location specified by address
* (the loaded value will be emitted to out from the next time step onward).
*/
CHIP RAM8 {
IN in[16], load, address[3];
OUT out[16];
PARTS:
// Put your code here:
DMux8Way(in=load,sel=address[0..2],a=loadA,b=loadB,c=loadC,d=loadD,e=loadE,f=loadF,g=loadG,h=loadH);
Register(in=in, load=loadA, out=outA);
Register(in=in, load=loadB, out=outB);
Register(in=in, load=loadC, out=outC);
Register(in=in, load=loadD, out=outD);
Register(in=in, load=loadE, out=outE);
Register(in=in, load=loadF, out=outF);
Register(in=in, load=loadG, out=outG);
Register(in=in, load=loadH, out=outH);
Mux8Way16(a=outA, b=outB, c=outC, d=outD, e=outE, f=outF, g=outG, h=outH, sel=address[0..2], out=out);
}