Thank you for your suggestions.  The reference Byron directed me
to will prove to be very useful and I noticed Tony's contributions
in that savme document as well.  So if that won't be able to help me,
then nothing will.  Thanks again guys.

davor

> Davor Tolja wrote:
> >
> > I'm a newbie using a PIC16F877 trying to develop serial
> > communications between the PIC and in this case, my PC.
> > I followed the instructions in section 10 in the manual and I
> > am pretty sure I have initialized the port properly as I do
> > receive some of the data sent.  The problem is that I only
> > get a couple of the characters sent and lose most of the
> > message.  This is what I have done below:  any suggestions?
>
>
> Most likely, the data is being sent to the TXREG before it has a chance
> to send it out. It takes a certain amount of time to shift the data out,
> depending on the baud rate.
>
> This is a non interrupt method of waiting for all TX to finish.
>
> ;-------------------
> ; Display Message
> ;-------------------
> displaymsg
>
>         clrf        FSR
> loop
>         movf      FSR,w
>         incf        FSR,f
>         call         showmsg
>         iorlw       0                    ; check if end of message
>         btfsc        STATUS,Z
>         return
>         movwf     TXREG       ; send data to register
>         call TransWt    ; <<<<<<<<<<<<<<<<<<<<<<
>         goto  loop
>
> ;
> ; ------------------------------------
> ; WAIT UNTIL RS232 IS FINISHED SENDING
> ; ------------------------------------
> ;
> TransWt bsf STATUS,RP0
> WtHere  btfss TXSTA,TRMT                ; (1) transmission is complete if
hi
>         goto WtHere
> ;
>         clrf STATUS             ; RAM Page 0
>         return
>
>
> --
> Best regards
>
> Tony
>
> ICmicro's
> http://www.picnpoke.com
> mailto:sales@picnpoke.com
>
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