mirror of
https://github.com/StepanovPlaton/Nand2Tetris.git
synced 2026-04-03 20:30:47 +04:00
17 lines
480 B
Plaintext
17 lines
480 B
Plaintext
// 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/2/FullAdder.hdl
|
|
/**
|
|
* Computes the sum of three bits.
|
|
*/
|
|
CHIP FullAdder {
|
|
IN a, b, c; // 1-bit inputs
|
|
OUT sum, // Right bit of a + b + c
|
|
carry; // Left bit of a + b + c
|
|
|
|
PARTS:
|
|
HalfAdder(a=a, b=b, sum=x, carry=c1);
|
|
HalfAdder(a=x, b=c, sum=sum, carry=c2);
|
|
Or(a=c1, b=c2, out=carry);
|
|
} |