Re: TI-H: re: mouse interface
[Prev][Next][Index][Thread]
Re: TI-H: re: mouse interface
Like I said, the hard part....
About the clock, I was just using an example.
At 04:36 PM 11/1/98 -0900, you wrote:
>
>How do you know the calc can keep up with the clock? and if the clock is
>too fast the calc will be slowed to a crawl trying to see what the mouse is
>saying.
>
>Oh yeah, and my clock goes like this 1100001010100010110101
>
>hehehe. ;)
>
>Grant
>
>> Ok, here is my $.02 on the mouse idea.
>> First, use a PS/2 mouse. The wires it uses are +3.3V, Gnd, and Clock
>>(01010101...) and Data from the mouse.
>> Next, obviously, tie the grounds together and put two AA's on the power
>>wire to the mouse.
>> The hard part will be having the TI-xx decode the constant stream of data
>>from the data line.
>>
>>At 06:07 PM 10/31/98 +0100, you wrote:
>>>
>>>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>
>>>À : 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 90°)...
>>>>
>>>>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.
>>>>
>>>>
>>>
>>>
>
>
Follow-Ups:
References: