25 lines
539 B
Plaintext
25 lines
539 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/a/Bit.hdl
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/**
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* 1-bit register:
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* If load[t] == 1 then out[t+1] = in[t]
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* else out does not change (out[t+1] = out[t])
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*/
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CHIP Bit {
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IN in, load;
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OUT out;
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PARTS:
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// Put your code here:
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Not(in=load,out=negLoad);
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And(a=in,b=load,out=out1);
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And(a=b,b=negLoad,out=out2);
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Xor(a=out1,b=out2,out=a);
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DFF(in=a,out=b,out=out);
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} |