1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
|
// 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/01/Or8Way.hdl
/**
* 8-way Or:
* out = (in[0] or in[1] or ... or in[7])
*/
CHIP Or8Way {
IN in[8];
OUT out;
PARTS:
Or(a=in[0], b=in[1], out=four0);
Or(a=in[2], b=in[3], out=four1);
Or(a=in[4], b=in[5], out=four2);
Or(a=in[6], b=in[7], out=four3);
Or(a=four0, b=four1, out=two0);
Or(a=four2, b=four3, out=two1);
Or(a=two0, b=two1, out=out);
}
|
