Each block is a 1-bit adder (right output is sum, left output is carry)
The whole thing will be a 4-bit adder adding the numbers 5 and 4 giving the
result 9.

Daniel Nilsson

"Andrew Coppin" <orp### [at] btinternetcom> wrote in message
news:3e80c1d9@news.povray.org...
> Sorry about the pun...
>
> Yes, I *know* it's not finished. (Just to clarify - does anyone actually
> know what it's supposed to be???)
>
> Comments, opinions, flames...
> Andrew.
>
>
>

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