> On Wed, May 14, 2008 at 2:42 PM, Mark Scoville
> <mscoville@unicontrolinc.com>
> wrote:
> 
> > Hi Matthew...
> >
> > Are you sure you don't really want a DCFSNZ instead of DECFSZ here
in
> > set_tx_bit...
> >
> >        bcf     INTCON, T0IF    ; Clear the interrupt flag
> >        decfsz  bit_count, F   <---- **** maybe you intended
DCFSNZ???
> ****
> >         incf    state, F        ; All the bits have been set,
advance to
> > the
> > next state.
> >
> > Looks like maybe first time through you only send 1 bit, increment
the
> > state
> > to 4, and bail out.
> >
> > -- Mark


> -----Original Message-----
> From: piclist-bounces@mit.edu [mailto:piclist-bounces@mit.edu] On
Behalf
> Of Tamas Rudnai
> Sent: 14 May 2008 14:05
> To: Microcontroller discussion list - Public.
> Subject: Re: [PIC] Help debugging a software UART routine.
> 
> > Are you sure you don't really want a DCFSNZ instead of DECFSZ here
in
> 
> OP uses 12F629 where there is no instruction or such pseudo one, but
he
> solved it elsewhere in his code already, so he will be just fine I
> think :-)
> 
> Tamas


Tamas,

Where is it solved?  I simulated the code and found this problem (but it
had already been reported when I checked the thread).  This bug does
appear to be the main problem, only one data bit is sent before the stop
bit is sent.

Regards

Mike

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