alan smith wrote:
> So I really havent done much with 16F serial, and the 18F stuff I can get to work flawlessy (so far at least), so I am having a small issue with this code on the '913
>    
>    
>   To preface, it works...almost.  I have a string defined such as it uses a jump table to index into it, and has a null on the end to terminate.  I can address into it, grab the character and it sends it out, so the USART is setup properly, and single stepping it displays each character, so far so good.
>    
>   Now, when I do it full speed....I lose characters.  I'm thinking...ok....the buffer isnt clearing out by the time I go to get the next character and send it.  Cheating....add delay.  But doesnt fully explain things. 
>    
>   So here is the code that sends the character, held in Wreg
>    
>   TX_CHARACTER
>       banksel     TXSTA
>       bsf            TXSTA,TXEN
>       banksel     TXREG
>       movwf       TXREG
>  _txCharLoop
>       call           DEBOUNCE
>       btfsc         TXSTA,TRMT     ; check buffer, wait till empty (1=empty)
>       goto         _txCharLoop
>       bcf           TXSTA,TXEN
>  return

Hmm... Why are you clearing and re-setting TXEN on each character?  I 
don't immediately see how it could cause the behavior you're seeing, but 
I would delete those lines - all you should have to do is FIRST wait for 
TRMT to go high, THEN put your data in TXREG.

(This is from memory.)
-- 
Timothy J. Weber
http://timothyweber.org
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