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eceg431/01/Xor.hdl
Sean O'Connor c39ce212b4 Simplify comments to be more concise and student-like
- Removed verbose explanations
- Made comments shorter and more casual
- Focus on key concepts rather than formal descriptions
2025-08-28 15:11:48 +02:00

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// 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/1/Xor.hdl
/**
* Exclusive-or gate:
* if ((a and Not(b)) or (Not(a) and b)) out = 1, else out = 0
*/
CHIP Xor {
IN a, b;
OUT out;
PARTS:
// Xor = (a AND !b) OR (!a AND b)
Not(in=a, out=tmp1);
Not(in=b, out=tmp2);
And(a=a, b=tmp2, out=tmp3);
And(a=tmp1, b=b, out=tmp4);
Or(a=tmp3, b=tmp4, out=out);
}