Re: TI-82's bad screen and Re: Serial!


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Re: TI-82's bad screen and Re: Serial!



>Though, there are two, somewhat, problems...
>1) It would require a bus connection, and to install you'd have to actually
>open your calc
>and connect it to the bus

No it wouldn't.

>2) It isn't portable (not a problem for some people though), eg you can't
>"easily" move it from calc to calc
>
>But, it has some advantages too...
>1) free's up link port!
>2) internal
>3) can adjust baud, and other port settings
>
>Also I've been thinking, As long as you're going in to connect a UART to the
>bus
>(we need to set some kind of standard address, possibly across calcs?, so
>there
>isn't any confusion) why not try running the bus out to the side/top/bottom
>of the calc?
>Then other projects using the bus could be done outside the case if desired.
>
>Then again I may be jumping ahead of myself! Some of the ti-tech guru's on
>this list (Mel Tsai?)
>might tell me wether or not the ti-graphing calcs even have any free
>address's on the bus? (It's late,
>I can't remember if the addresses in ram and the bus are different or not!)
>
>On another note, perhaps this could be included in the ti-82 project?
>(except extend the whole
>project to all ti-graphing calcs :P)
>Also, I bought (several years ago) a ti-82 graphing calc ($7 even!) except
>it has a couple of rows
>just right of the middle of the screen that hide nearly 2 characters! Any
>hint's on how to fix this anyone?
>
>     -James, N9XLC
>     -jrhall@infocom.com
>
>-----Original Message-----
>From: The Pletchers <bpspcp-travelin@WORLDNET.ATT.NET>
>To: CALC-TI@LISTS.PPP.TI.COM <CALC-TI@LISTS.PPP.TI.COM>
>Date: Saturday, February 28, 1998 8:34 PM
>Subject: Re: Serial!
>
>
>>Pretty good idea actually.
>>
>>At 08:35 PM 2/28/98 -0500, James Hall wrote:
>>>I don't know if anyone's thought about this before.
>>>A while back I read on someones page about someone at MIT
>>>successfully opening a ti-85(?) and connecting a sound card or something
>to
>>>the bus..
>>>I got to thinking while at work today, What about connecting a
>>>UART chip (for a serial port) to an unused address on the bus?!
>>>Then we wouldn't have to worry about figuring out how to duplicate (or
>worry
>>>about paying for) a graphlink for connection to a modem!
>>>(and we could have different baud rates too!)
>>>Of course we would have to rewrite any term programs to use the special
>>>address but what do you think?
>>>
>>>     -James, N9XLC
>>>     -jrhall@infocom.com
>>>
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