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andrew_ross 11-06-2008 03:24 PM

Unsigned subtraction
Hi guys..
I have to use a carry look ahead adder component (32bit), to implement a module able to perform addition (both signed and unsigned) , subtraction(signed and unsigned).
The only issue is the unsigned do I can do it? (in signed case I convert the number to 2's complement)..
thanks in advance..

andrew r.

jeppe 11-06-2008 06:35 PM

I got a feeling that the signed/unsigned part comes free - if you just implement the circuit for addition / subtraction.

You can find a lot of inspiration at this site.


andrew_ross 11-06-2008 08:14 PM

Thanks a lot..I'll try right right now..

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