Re: A86: Theory question [i think its about time we....]
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Re: A86: Theory question [i think its about time we....]
Eugene, you have it wrong..
Cap's only hold the maximum voltage that is supplied by the circuit.
also the only way to "trigger" a cap is to turn off the supply
voltage...
>From the desk of Eugene Dirks <assembly-86@lists.ticalc.org>.
At 9:33 Eugene Dirks wrote:
>
> ok i'm going against my own advice to post this, but i think it is at
> least asm related to talk about being able to make more complex games...
> ...first the answer... <IGNORE IF YOU ONLY WANT ASM STUFF>
> ok i've taken an ind.study physics class and messed around circuit
> boards and stuff...i may be completely wrong but i'd say that
> don't capacitors store energy then release it when triggered...so
> a higher pf capacitor (22pf is default i believe) would
> store more energy and thus take more time to release
> it then no capacitor thus slowing the calc down...that's my theory
> <END IGNORE> ok wasn't the reason everyone said that we couldn't do TRUE
> 3d in z80 asm was because that the matrix multiplication required would be
> much to slow. i would like to get some kind of idea how many people have
> sped up their calcs and also how many of them are capable of some z80 asm.
> then we could actually write programs for this group (ourselves).
>
> even i who by self declaration am most certainly not a great asm
> programmer could write the routines to rotate things defined in true 3d
> space. with the speed increase their would be no problem except perhaps
> low screen resolution.
>
> SO...THE POINT OF THIS RAMBLING....
> would anyone here be interested in starting some projects in asm that are
> based on the purpose of testing what we can do with our calcs running at
> 21mHz while everyone has their's at 6mHz.
>
> there i thought that was at least more asm/programming related then
> comments by those who were making comments just too complain....
>
>
>
> ----- Original Message -----
> From: David Thomas <david_hd@yahoo.com>
> To: <assembly-86@lists.ticalc.org>
> Sent: Thursday, May 13, 1999 2:15 AM
> Subject: Re: A86: Theory question [i think its about time we....]
>
>
> >
> >
> > You could certainly do better games for it tho...
> > (Only do it after you've gotten tired of everything
> > available)
> >
> > BTW: What exactly does removing that capacitor speed
> > up?
> >
> > --- warhorse <warhorse@bellatlantic.net> wrote:
> > >
> > > The problem with that is games and such run too fast
> > > and you can't slow it.
> > > terrence
> > >
> > > Eugene Dirks wrote:
> > >
> > > > you can get the calc to run 3x-4x faster
> > > (18-24mHz) by simply removing the
> > > > c13 (is this the right one?) capacitor. I did and
> > > have had no ill side
> > > > effects. Don't even bother putting a different
> > > capacitor in; just remove
> > > > it.
> > > >
> > > > as long as we're on the topic. what would
> > > increasing the voltage by very
> > > > small increments do? if done carefully couldn't
> > > we get even more speed out
> > > > of it?
> > > >
> > > > ----- Original Message -----
> > > > From: David Thomas <david_hd@yahoo.com>
> > > > To: <assembly-86@lists.ticalc.org>
> > > > Sent: Wednesday, May 12, 1999 2:26 AM
> > > > Subject: Re: A86: Theory question [i think its
> > > about time we....]
> > > >
> > > > >
> > > > > > Things I think people want changed:
> > > > > > 2) Speed - needs to be faster (and slower for
> > > > > > games/playing tricks on
> > > > > > friends)
> > > > >
> > > > > I was thinking... you can get a 20 MHz Z80 for
> > > $12...
> > > > > I f you removed the chip currently in there, and
> > > > > replaced it with one of those, the calc should
> > > run a
> > > > > lot faster (the bus and memory access would slow
> > > it
> > > > > down, but it should still be a fair amount
> > > faster...
> > > > > maybe if you coupled this with that 4x speed
> > > > > thing...).
> > > > >
> > > > > PS: Why aren't you all in line for Star Wars
> > > tickets?
> > > > > I've got a freind holding my place in line... :)
> > > > >
> > >
> > _________________________________________________________
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> > >
> > >
> >
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> >
>
>
>
>
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