Re: Memory Problems


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Re: Memory Problems



Zenon@therockies.com wrote:
>
> Bernard Domroy wrote:
> >
> > This can be done.  But you need to get someone to rewrite the portion of the
> > ROM that limits the memory.  The people who wrote z-shell probably have
> > disassembled the ROM and know what needs to be changed.
> >
> > domroy
> >
> > At 09:59 9/7/96 -0600, you wrote:
> > >Bernard Domroy wrote:
> > >>
> > >> You don't get it.  ROM is read only memory.  You would have to purchase a
> > >> new ROM chip which had been modified, or you would have to replace the ROM
> > >> with EPROM, erasable programmable ROM.  This is not a simple task.
> > >>
> > >> domroy
> > >>
> > >> At 08:31 9/7/96 -0600, you wrote:
> > >> >P. Kolbus wrote:
> > >> >>
> > >> >> The ROM was only designed to address 32k of RAM...  If you want to write a
> > >> >> new ROM for your calculator, go ahead... =)
> > >> >
> > >> >First off, I don't know how to write ROM, so if there is anyone out
> > >> >there who would be generous enough to benefit all TI-85 users, please
> > >> >write a user-friendly ROM upgrade for us all!!  8)
> > >> >
> > >> >Secondly, even after the new ROM has been written, you would still need
> > >> >to change the hardware; add memory chips and such.  Is there anyway or
> > >> >anything that will allow this?
> > >> >
> > >
> > >Then is there any way of purchasing compatible EPROM and transfering the
> > >information from the TIROM to the EPROM then inserting the EPROM into
> > >the calculator?
> > >
> Is there anyone generous (and smart like Dan Elbe and Magnus Hagander)
> enough to rewrite the ROM for us so that we can continue this
> experiment?  And would there be anyone interested in finding out more
> about the hardware portion ie. getting the EPROM, the new RAM for the
> TI, ect...?
Hey, maybe this is off topic, but does anyone know how to login
somewhere anonymously?  I can't even anonymous into ftp.happypuppy.com
using Anonymous then Guest!!!


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