RB3 is an output, but I haven't hooked it up yet, tho it IS set to output...
and I have _LVP_OFF in the __CONFIG line.

nick@veys.com | www.veys.com/nick

>
> Are any of the buttons connected to RB3 or is it floating and is LVP
> enabled?
>
> -----Original Message-----
> From: pic microcontroller discussion list
> [mailto:PICLIST@MITVMA.MIT.EDU]On Behalf Of Tony Nixon
> Sent: Thursday, June 21, 2001 5:40 PM
> To: PICLIST@MITVMA.MIT.EDU
> Subject: Re: [PIC]: 16F870 Error defying logic...
>
>
> Nick Veys wrote:
> >
> > I sent this last night @ like 1am but I never recieved it from
> the list, nor
> > any other PICList stuff til today @ like noon so I don't know
> if the server
> > burped or something, so I'll resend it... SORRY IF IT ACTUALLY DID GET
> > THROUGH, not meaning to spam... :)
> >
> > Absolutely mind boggling.  I have a chunk of code causing some kind of
> > software reset.  The WDT is disabled, in fact, all interrupts
> are disabled
> > in this program in it's entirety.  The kicker is, this code is NOT being
> > executed when the reset occurs, it is tied to one button, the
> other button I
> > push works fine but randomly causes a reset...  when I comment
> out the code,
> > it works fine (of course it doesn't do what I need though.)
> >
> > Here's the snippet...  It's an EEPROM data write.
> >
> >   ; ** EEPROM DATA STORAGE
> >   BANK0
> >   movf DEVSTATUS,w                              ; load data
> >   bcf PIR2,EEIF                                 ; clear
> complete flag just in case
> >   BANK2                                         ; go to bank2
> >   movwf EEDATA                                  ; set DATA
> >   movlw 0                                               ; load address
> >   movwf EEADR                                   ; set ADDRESS
> >   BANK3                                         ; go to bank3
> >   bcf EECON1,EEPGD                              ; DATA memory
> >   bsf EECON1,WREN                                       ; enable writes
> > ;  movlw 0x55                                   ; * required
> > ;  movwf EECON2                                 ; * eeprom
> > ;  movlw 0xAA                                   ; * writing
> > ;  movwf EECON2                                 ; * crap
> >   bsf EECON1,WR                                 ; initiate write
> > ;  bcf EECON1,WREN                              ; disable writes
> >   BANK0
> > ;  btfss PIR2,EEIF                              ; wait til the
> > ;    goto $-1                                   ; writing is complete
> >   bcf PIR2,EEIF                                 ; clear complete flag
> >   return
> >
> > if I uncomment any of those lines in ANY combination, I get a
> reset after a
> > few presses on my button, which DOES NOT execute this code :(
> :( :(   It's
> > almost as thought just having this code in makes it act
> erratic.  This is
> > reproducable on 2 different chips, I'm out of ideas and frustrated...
> >

> --
> Best regards
>
> Tony
>
> mICros
> http://www.bubblesoftonline.com
> mailto:sales@bubblesoftonline.com
>
> --
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>
>
>

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