Re: LZ: Ideas on input

Subject: Re: LZ: Ideas on input
From: Mel Tsai <tsaimelv@pilot.msu.edu>
Date: Sun, 13 Oct 1996 20:40:59 GMT
In-Reply-To: <32605B27.2AB7@geocities.com>

On Sat, 12 Oct 1996 22:59:51 -0400, you wrote:
>Mel Tsai wrote:
>
>> On Sat, 12 Oct 1996 15:50:28 EDT, you wrote:
>> >
>> >What your talking about cannot (probably) be acheived through a link =
port
>> >alone, however with a ram expander it could possibly be done. But =
what's
>> >the point, it's just a 128x64 screen. A mouse would be 3/4 of the =
size of
>> >the calculator, and a touch screen is out of the question
>> >
>>=20
>> Using a mouse would be possible, but it would probably only be useful
>> on a TI-92 (like you said, the 85's screen is too small).
>>=20
>> Right now I'd have to say a touch screen is impossible.
>>=20
>> -Mel
>>=20
>> --
>Why is a touch-screen impossible?  All it has to do is go to an external
>device that sends the two coordinates to the TI link port.  Easy!
>Maybe a third byte for extra data.  Then a ZShell program would decode
>the data. =20


If all it did was send screen coordinates, it would just be a mouse,
not a touch screen.  Electronics for a touch screen is much more
complicated than a regular input device.


-Mel


<pre>
--
The TI-85 Memory Expansion Homepage
http://pilot.msu.edu/user/tsaimelv/expander.htm
</pre>

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