Re: A83: TSE nearing completion


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Re: A83: TSE nearing completion




No, because it is done with bytes, so divide 96/8=12 columns and 64 rows

Robin Kay wrote:
> 
> Isn't the display 96x64... that's 64 rows (x increment mode) and 96 columns (y
> increment mode), yes? Can you be more specific about producing random numbers?
> (please...)
> 
> --Robin Kay--
> 
> Olle Hedman wrote:
> 
> > AutismUK@aol.com wrote:
> > [about fastcopy]
> > > There are three ways of speeding it up.
> > >
> > > First is to flog the LCD controller to the limits of what it can do in
> > > terms of timing cycles (maybe test the status rather than using
> > > the TIOS "wait routine" on the grounds that the Data sheet timings
> > > will have some spare space in them ?).
> >
> > Checking the status is no good, it is too slow and you will end up loosing
> > cycles.
> > The main "trick" when you want to update fast is to write columns to the lcd
> > controller instead of rows. this is because you need to do a write to the
> > controller every time you whant to change row (or column in column-mode), and
> > there is 64 rows, but only 12 columns.
> > to change to "column-mode" you do a single write to the controller, I don't
> > remember the exact now (because it is more then a year now since I last had a
> > ti83) But you can find a pdf on the controller at my ftp, here:
> > ftp://alh.dhs.org/calculator/ti83/tech/
> > It is the specs from the manufacturer and includes everything you can do with
> > the controller.
> > This, and ofcourse your own delay-rutine, because TI:s is more then twice as
> > long as it has to be. Don't make it _too_ short though, remember that the speed
> > of the calc changes with temperature and battery condition.
> >
> > //Olle

-- 
Scott "_Wrath_" Dial
wrath@calc.org
ICQ#3608935
TimeCity AI Guy II - www.timecity.org
Member of TCPA - tcpa.calc.org


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