CC> I don't quite remember onez complement. Is the following true?
CC> 
CC>     0000 0001 bin  one as a positive char
CC>     1111 1110 bin  toggle all bits
CC>     1111 1111 bin  add one to make one as a negative char
CC> 
CC>     Or is that 2's complement.
That's the two's complement.  The one's complement is achieved by
simply doing a NOT (~) on the variable.
 * KWQ/2 1.2i * 
--- TMail v1.31.5
---------------