Re: TI-H: re: mouse interface

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Re: TI-H: re: mouse interface


The HP48 has a real serial port.  :)

Grant


>Well, HP48 has 4 pins... So it probably has I/O for two, and I guess
>ground/+v for the other two... I don't know... who knows. Actually A
>mouse for a calculator is just like having WinCE for a PDA -- It is
>silly. Which is why Palm Pilot is the leader, since it has a nice easy
>to use (and upgradable) OS. I personally wouldn't want to sit there
>looking at a small screen trying to click on the Start menu...
>
>>From: "=?iso-8859-1?Q?Rapha=EBl_HUCK?=" <philhuck@club-internet.fr>
>>To: <ti-hardware@lists.ticalc.org>
>>Subject: Re: TI-H: re: mouse interface
>>Date: Sat, 31 Oct 1998 18:07:05 +0100
>>Reply-To: ti-hardware@lists.ticalc.org
>>
>>
>>They made the mouse work with the HP-48, so I believe it would be
>possible
>>for the TI-92 or the TI-89 that are at least twice as fast as the HP
>and a
>>lot better. It is a pity that there are so many cool things for the HP
>and
>>so few for the TI.
>>
>>MP <philhuck@club-internet.fr> <http://mp.i-france.com>
>>
>>
>>-----Message d'origine-----
>>De : Visti Andresen <talpa@mip.ou.dk>
>>¿ : ti-hardware@lists.ticalc.org <ti-hardware@lists.ticalc.org>
>>Date : mercredi 28 octobre 1998 17:10
>>Objet : Re: TI-H: re: mouse interface
>>
>>
>>>
>>>On 28-Oct-98, Grant Stockly wrote:
>>>>
>>>> Most mice are serial.  I'm not sure if a mouse like you describe
>actually
>>>> exists...  :\
>>>>
>>>> Grant
>>>
>>>I'm believe that even a PC mouse contains "quadrature" signals (line A
>and
>>>line B is out of phase by 90ƒ)...
>>>
>>>they look something like this:
>>>
>>>     (G)     here the mouse changes direction
>>>
>>>
>>>line A
>>000001111110000011110000011111000001111G1111111000000001111110000011111
>>>line B
>>>000111110000111111000011111000001111100000111111100001111100000111111000
>>>
>>>if you then connect line A to a bidirectional counters clock input
>>(triggering
>>>on changes)
>>>and connect line B to the direction input it will count up if you move
>the
>>>mouse
>>>in one direction and down in the other direction...  (there are
>naturally
>>two
>>>line for up/down and two for left/right)
>>>(in PC mice this data is transformed into serial data)
>>>
>>>>
>>>>
>>>>> To put a mouse interface in a ti-86 you could try putting
>connections to
>>>>> all of the arrow keys, and enter and 2nd, or whatever, thenmodify a
>>mouse
>>>>> s that moving it just closes the switches.
>>>>>
>>>>>
>>>>> -----------------------------------------------
>>>>> FREE! The World's Best Email Address @email.com
>>>>> Reserve your name now at http://www.email.com
>>>--
>>>Greetings from Visti Andresen (talpa/IRIS)
>>>     May the AMIGA be with you.
>>>  http://www.mip.ou.dk/~talpa
>>>
>>>    Want my PGP key? Look at my WWW Page or mail me.
>>>
>>>
>>
>>
>
>
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