Re: TI-H: re: mouse interface
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Re: TI-H: re: mouse interface
Its not hard at all. Its time wasting just like I2C...
The calc can keep up, but with speed taken away from the program. it would
be real slow.
Like on a 586 100 playing mp3s. If you have a real fat vide card going and
a ms serial mouse, moving the mouse will skip the muzik.
Grant
>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.
>>>>>
>>>>>
>>>>
>>>>
>>
>>
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