>
>0000000000001010 - 10
>0000000000001000 - 8
>-----------------
>0000000000000010 - 2
>
>On the other hand if you wanted to 10 - 12, you'd get an overflow condition
>cause you're in the negative portion of the binary world. i.e. there's
>nothing to borrow from.

Well, unless you do what some computers do, and use the MSB as some sort of
negative bit:
0000000000001010 - 10
0000000000001100 - 12
-----------------
1111111111111110 - -2

Right?
But then that does constitute as an overflow, doesn't it? :-)



-- Terence Jordan (tatewake@...)
Inspired Software. http://inspired.netstreet.net/
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