Renzo Giurini wrote:

> I try to compile the following lines,part of a program for Pic16f84a,
> and I
> get in line <2> the
> "Message[302] : Register in operand not in bank 0.  Ensure that bank bits
> are correct".

Perfectly correct!
Your setting RP0 does NOT tell the assembler you selected bank 1.

>
>
> and in line <5> a "Warning[202]  : Argument out of range.  Least
> significant bits used".

Again correct!
the form is B'01010101'
Putting a B at the end signals HEX characters

>
> I think that instructions are correct. Why those messages?
>
> 1               bsf     STATUS,RP0      ;select memory register page 1
> 2               clrf    TRISB           ;make Port B output by
> clearing TRISB
> 3               bcf     STATUS,RP0      ;go back to register page 0
>
> Main
> 4               ;movlw  01010101B       ;move 01010101 into W and
> 5               ;movwf  PORTB           ;output patter
>
> Thanks
> Renzo Giurini
>
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>
>
>

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