Re: TI-H: What's wrong with hw2?
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Re: TI-H: What's wrong with hw2?
All TI-89's have 702k Flash ROM. On HW1, you can only use 384k for user
data archive, and the remaining 318k can only be used for Flash Apps.
Bryan
----- Original Message -----
From: "Daniel Wood" <thedew@usit.net>
To: <ti-hardware@lists.ticalc.org>
Sent: Wednesday, December 15, 1999 11:00 PM
Subject: Re: TI-H: What's wrong with hw2?
>
> 2 advantages:
> More archive space for apps w/ams 2.0x(702k shared, whereas hw1 is
~351/351
> apps/flash apps)
> 2mhz faster than hw1(now that makes a difference! </sarc>)
>
> disadvantages are too overwhelming to list all
> No Greyscale
> Will have some serious problems if you try to hack it.
> Compatability with games, umm where is it?
> and the list goes on
>
> -Dan
> thedew@usit.net
>
>
> ----- Original Message -----
> From: "Noah R Deneau" <noahd@juno.com>
> To: <ti-hardware@lists.ticalc.org>
> Sent: Wednesday, December 15, 1999 9:51 PM
> Subject: Re: TI-H: What's wrong with hw2?
>
>
> >
> > Does anyone know, are there any advantages or beneficial changes in HW2?
> >
> > -Noah
> >
> > On Thu, 16 Dec 1999 03:51:16 +0100 Olle Hedman <oh@hem.passagen.se>
> > writes:
> > >
> > > hehe.. And how would they change the assembly syntax?
> > > It isn't ti who made that up you know, it is how the cpu in it
> > > works, and that
> > > is made by motorola and has been the same since 1984.
> > > What has changed is certain things in the peripherial circuits in
> > > the ti89. The
> > > chips that handle rom-protection and lcd updateing for example.
> > > The big problem with grayscale is that in hw1 you could have the
> > > screen-ram at
> > > any memoryposition (almost, a stepping by 8), but in hw2 you can
> > > only have it at
> > > certain memorypositions. (I don't remember the exact ones now) and
> > > they have
> > > also changed how the updateing of the screen works, makeing it quite
> > > a lot
> > > slower.
> > > Have you btw any idea at all how things like grayscale work on the
> > > calcs? Do you
> > > even know how a microprocessorsystem like the ti89 works? It doesn't
> > > sound like
> > > that on you guessings. Or maybe I just misunderstand what you are
> > > saying.
> > >
> > > file://Olle
> > >
> > > Jefferson Chang wrote:
> > > >
> > > > Hi,
> > > >
> > > > I heard that most of the people complain about hw2 for not being
> > > able to
> > > > run
> > > > most of the games. Hmmm.... I'm wondering maybe TI has modified
> > > the
> > > > implemenation of the assembly coding for TI-89 (hw2) instead of
> > > disable
> > > > some of
> > > > the great features that the hw1 had (like grayscale?). If think
> > > about
> > > > it, why do
> > > > they need to disable those features in hw2? It brings no benefit
> > > for
> > > > them don't
> > > > you think so? Maybe the assembly syntax coding for hw2 is slightly
> > > > different in
> > > > order to make those missing features work (grayscale for example).
> > > Just
> > > > my
> > > > opinion ^_^
> > > >
> > > > Thanks.
> > >
> >
> > ___________________________________________________________________
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> >
>
>
>
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