Re: LZ-Adv: line routine


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Re: LZ-Adv: line routine



Ben Shakal wrote:
> 
> > > It would be easier to find the exat problem if you wrote what happend
> > > when you ran the program.
> > >
> > > Dines Justesen
> > >
> > really odd thing happens, I get flipped back to the regular ti-os after
> > getting an error, I thnk error 12, but I don't get popped back to zshell.
> > I get
> > the error, then I put goto or exit and I'm warped back to the regular os
> > and crap is written all over the screen. Not pixels but hexadecimal stuff.
> > Really odd.
> >       How to I change the set-pixle thingy to page four? I've programmed
> > graphical stuff before and never had this kind of problem. But then again,
> > I never did much manipulation on what I was drawing other then + and -,
> > never * and / etc.
> >       Hope this can help anybody answer my question. It sure is odd that
> > i would be popped dirrectly back to the ti-os without ever typing exit at
> > all!!!
> 
> That happened to me before, and it seems to be a result of calling
> FIND_PIXEL without switching to page 4.  To do so, put:
> 
>   ld a,4
>   out (5),a
> 
> before FIND_PIXEL is called.  Preferrably, but it in an
> initialization area (like at the top) that is only called once, not
> millions of times.
> 
> (BTW, you might want to check other program source code.  That port
> might be wrong, although I doubt it.)
> 
> shakal@ns.net


Yup, that's right
<pre>
-- 
Compliments of:
_-_-_-_-_-_-_-_
  Alan Bailey
  mailto:bailala@mw.sisna.com
  IRC:Abalone
  Web:http://www.mw.sisna.com/users/bailala/home.htm
</pre>


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