[A83] Re: PolySmlt
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[A83] Re: PolySmlt
Quick question, since I'm lazy right now:
Does anyone have a few lines of code lying around that
check if we're running OS 1.13 or above, and if so, set speed to
highest possible?
--Peter-Martijn
> Actually, no, the SE's processor will run at either 6 or 15 MHZ. For
> compatibility reasons, applications and assembly programs run at 6 MHZ by
> default. There is a system flag that, if set, will cause all apps and
> assembly programs to run at 15 MHZ by default instead.
>
> Applications that wish to run at 15 MHZ may either set a header entry
> indicating this (as detailed by the 83P SE Dev Guide addendum, or probably
> in the new version of the SDK guide as well), or use the entry point
> SetExSpeed (available on 1.13 and higher) that sets the CPU speed. If you
> want to do it directly, the CPU speed port is port 20h (0 = 6 MHZ, 1 = 15
> MHZ), but it's probably a "better" idea to use the approved system methods.
>
> -Dan Englender
>
>
> >
> > 83+ has a 6 Mhz processor
> > 83SE has a 15 Mhz processor
> >
> > I don't think there is a way to run the SE on 6 MHz it's not like send 6
> to
> > port 5 and then its 6 MHz. It's 15 MHz, so there is another reason that
> it's
> > slow. A possibility is that PolySmlt uses the 200 Hz interrupt timer for
> the
> > function to make it simultainous, and that PolySmlt is made for 6 MHz
> > processors, and since the OS on the SE isn't changed, it won't run faster
> on
> > a 15 MHz processor.
> >
> > Bye
> > Cheiz
> >
> >
> > >PolySmlt must not take advantage of the SE's speed then. In that case, it
> > >runs at 6 MHz on both calcs.
> > >
> > >Michael Vincent
> > >Detached Solutions - www.detacheds.com
> > >Radical Software - www.radicalsoft.org
> >
> >
> > _________________________________________________________________
> > Meld je aan bij de grootste e-mailservice wereldwijd met MSN Hotmail:
> > http://www.hotmail.com/nl
> >
> >
> >
>
>
>
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