Re: TI-H: Re: AT/PS2 Keyboard to TI-89


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Re: TI-H: Re: AT/PS2 Keyboard to TI-89




And of course if your willing to use a micro controller to convert the
keyboard signal into an TI-89 remote control code.  That could work.

--- Adam

At 12:30 AM 4/5/00 -0700, you wrote:
>
>>From Fil's FAQ-Link-In Corner: Ports: PC Keyboard FAQ
>http://www.repairfaq.org/filipg/LINK/PORTS/F_Keyboard_FAQ.html  (found from
>Olle's link)
>
>The keyboard will transmit keystroke data to the host system as soon as a
>key is pressed (or released) if both the DATA and CLOCK lines are HIGH. If
>the CLOCK line is LOW, the keyboard will buffer keystroke data until the
>CLOCK line goes HIGH again (the clock line acts as a -RTS signal). If the
>DATA line is LOW, the keyboard prepares to accept a 11-bit control message
>from the host (see below).
>
>
>This doesn't look too bad.  They keyboard will buffer!
>
>----- Original Message -----
>From: "Nick" <zaphod@coe.neu.edu>
>To: <ti-hardware@lists.ticalc.org>
>Sent: Tuesday, April 04, 2000 11:12 PM
>Subject: Re: TI-H: Re: AT/PS2 Keyboard to TI-89
>
>
>>
>> no, i definitely know it can be done, but practically it's hardly worth
>the
>> effort involved. you'd have to write a program for the TI to poll the
>> keyboard and i don't even know if it's possible to insert keypresses
>through
>> a program.
>>
>> --nick
>>
>>
>> Nick Foster / Bistromath / zaphod@coe.neu.edu
>> KeyID 2048/1024 0x663CB446
>> 6CAF FFD4 F9BA 64BA ECF9  032E 7402 3886 663C B446
>>
>> ----- Original Message -----
>> From: "Olle Hedman" <oh@hem.passagen.se>
>> To: <ti-hardware@lists.ticalc.org>
>> Sent: Wednesday, April 05, 2000 2:00 AM
>> Subject: Re: TI-H: Re: AT/PS2 Keyboard to TI-89
>>
>>
>> >
>> > Do you have any reason why it wouldn't work, or are you just thinking
>so,
>> > without knowing how the hardware works?
>> >
>> > file://Olle
>> >
>> > Nick wrote:
>> > >
>> > > good bloody luck ;) i'm positive with a microcontroller it could be
>> done,
>> > > but unless you're obsessive-compulsive it probably isn't worth the
>> effort.
>> > >
>> > > a mouse? on a ti-calc? er, why? ;)
>> >
>> >
>>
>




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