Byron A Jeff wrote :

> > Obviously, PIC only has the W register, and doesn't have 
> > index registers...Is
> > there some 16-bit address to set, and some indirect 
> > instruction or something?
> 
> It does have index register(s). But they are special function 
> registers as opposed to out of memory registers likw W.

Hi.
Since you mentioned the PIC18's later, I though this could be
in place...

Not that on the PIC18's, the W register is also accessable through
the WREG SFR that is mapped in RAM just as any other SFR. So *any*
instruction with 'f' as part of the parameters can also act on W. Such as
a direct MOVFF between W and *any* register in *any* bank no matter
what the BSR bits are currently set to.

The PIC18F252 data sheet says (below the MOVFF description on
page 236) :

"... Either source or destination can be W (a useful special situation)..."

To say the least... :-)

Jan-Erik

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