Stephen D. Barnes wrote :

> >>
> >Jan-Erik Soderholm wrote:
> >"Byte mode addressing" ??
> >
> >Like in "MOV.B   WREG, F"
> >
> >Jan-Erik.
> >
> >  
> >
> In ASM30 the "MOV.B" instruction is for moving an 8-bit 
> literal into a WREG.

"MOV.B #lit8, Wnd" does that, yes. But that was not the
instruction I wrote. See page 5-146 in the prog ref manual
(DS70030E). (Your instruction is on page 5-149...)

> I know how to move the 16-bit register into a WREG by using 
> "MOV f, WREG",
>  but what I do not know is how to split that into two bytes, 
> or worded differently, how to get the high byte and the low
> byte into two separate file registers.

Two "MOV.B   WREG, F" with a SWAP between since the
MOV.B inst always copies the low byte. Or maybe start with
a SWAP to get the high byte first, then another SWAP to get
the low byte.

Note, I have never written a single ASM30 line and this
is only from reading the prog ref manual today, so
there might be "better" ways to do it.

Jan-Erik.



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