Olin Lathrop wrote:
> 
> W is a 8 bit register.  It can hold any 8 bit binary value.  If you
> interpret that binary value as a unsinged integer, then it can hold from 0
> to 255.  If you interpret it as a signed integer, then it can hold from
> -128
> to +127.  In any case the statement that it can only hold 255 is wrong, as
> it can hold 256 different values no matter how you interpret the binary
> pattern.  Also since it would generally be wrong to interpret the W value
> as
> anything other than a signed or unsigned integer without specific context
> to
> the contrary, saying that it can hold 256 is wrong.
> 

Thanks Olin,

It is a useful explanation. What I wanted to say is that it can hold 256
distinct values.
In assembler, how can I specify I want to assign the value of W to an
unsigned or signed integer?

Regards,
Nick




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