Re: Re(2): TI-H: Fun-tography Ability????? (fwd)


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Re: Re(2): TI-H: Fun-tography Ability????? (fwd)




Can someone give us the schematics for the hardware for this device I
would like to get started buildinng one of these harddrives or
interfacing it for my calc.
Kent

morph- wrote:
> 
> I already said i'm writing the driver, and i've gotten a start on it
> already. It's a fairly simple process. I've designed a nice file system
> already, it supports directories, etc. I figured i'd put in support for
> every type of variable, since it's fairly easy to do (just includding a
> byte (yes, a whole byte...you poeple shouldn't care, you'll never fill up
> a 540 meg HD with TI stuff) for the var type). i'm coding the driver for
> UsGard at the moment, but when i'm done i might make a simpler version for
> ZShell (this one works as a TSR tha can write the calc's entire memory
> state to the HD, and read it back out. Yes, this will work because UsGard
> is ALWAYS in the same location, and no you can't just goto the receive
> thing and get a backup because the AVR isn't programmed to support
> backups). Oh, and Grant...if you could scan/mail some schematics to me (if
> you have them). I'd appriciate it. I'd like to build one of these things
> to play around with (will you send the firmware too?) Alright, well, my
> longwindedness has again, come to a close
> 
> -- Jon Olson
> 
> On Thu, 4 Jun 1998, Kent Lofley wrote:
> 
> >
> > So is there an IDE device for my TI85.  If so I would love to build one
> > and I could maybe write a driver.
> > Kent
> >
> >
> > morph- wrote:
> > >
> > > Ah, i see...we're talking about completely different things. :> I can do
> > > the keyboard too, but my orringal comment was about the IDE hard disk
> > > which you said you has designed, but no one was willing to write a driver
> > > for it. I'd be glad to write a driver (and have plent of HD's lying around
> > > to do so)...anyway, i can do both the HD and Keyboard if ya like. I've got
> > > 3 months of summer to kill.
> > >
> > > -- Jon Olson
> > >
> > > On Thu, 4 Jun 1998, Grant Stockly wrote:
> > >
> > > >
> > > > okay cool...  You make the protocall.  The AVR dumps out a standard ASCII
> > > > key for each key pressed.  For the final firmware, there will be a dip
> > > > switch for 8x and 92/89 mode.
> > > >
> > > > Grant
> > > >
> > > > >Well...i leave on saturday. so please hurry if you would. I need something
> > > > >to occupy my time all week. I'm planning on having a fully functioning
> > > > >driver by the time i get back (which...given a week of summer vacation,
> > > > >shouldn't be a problem)...
> > > > >
> > > > >-- Jon Olson
> > > > >
> > > > >
> > > > >On Thu, 4 Jun 1998, Grant Stockly wrote:
> > > > >
> > > > >>
> > > > >> >Alright...i've got nothing to do next week while i'm going on vacation
> > > > >> >(me? outdoors? hell not) so if ya give me the protocol spec, i can write a
> > > > >> >driver. won't be able to update you about status for a week though,
> > > > >> >obviously. i'll code it for usgard for the simple reason i don't like any
> > > > >> >other shells. port it if you like. all i need now is the spec from grant.?
> > > > >> >:>
> > > > >>
> > > > >> I'll give it to you after I make it...
> > > > >>
> > > >
> >


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