Try to do like this.
bsf STATUS,RP0
movlw 0x1F
tris PORTA
movlw 0x00
tris PORTB
bcf STATUS,RP0

I think the initialization of its PORTS not this correct one. You have to
operate in bank1
Good Luck.

-----Mensagem original-----
De: Tony Nixon <Tony.Nixon@ENG.MONASH.EDU.AU>
Para: PICLIST@MITVMA.MIT.EDU <PICLIST@MITVMA.MIT.EDU>
Data: Domingo, 16 de Maio de 1999 16:08
Assunto: Re: WHAT'S WRONG? [MIGUEL]


WF AUTOMACAO wrote:
>
> Dear old friends, help me!
>
>           ; Inicio
>           list p=16F84
>           radix     dec
>           include <P16F84.INC>
>           ; Variables
> contador   equ d'12'
>           org     0x000
>           movlw   0x1F
>           tris    PORTA
>           movlw   0x00
>           tris    PORTB
>
>           movlw 0
>           movwf contador
>
> loop
>           incf contador,f
>
>           movlw contador   <<<<<<<<<< MOVF CONTADOR,W
>           movwf PORTB
>
>           goto loop
>
>           END
>
> Why don't my PORTB pulse? (The level is constant in all BITS of PORTB...
;(  )
>
> Can you see what i'm doing wrong?
>
> Thanks!
>
> Miguel

--
Best regards

Tony

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