[NetBehaviour] TI99 "vintage" home computer system.

marc marc.garrett at furtherfield.org
Wed Jul 5 15:54:20 CEST 2006

Hi clemos,

is this the one?


> oh yeah
> I love
> my thomson TO7-70 will do so one day
> +++++
> clemos
> On 7/4/06, marc <marc.garrett at furtherfield.org> wrote:
>> The TI99 "vintage" home computer system.
>> The TI99 is a "vintage" home computer system from 1981 made by Texas
>> Instruments. You can probably search all the details about it on the
>> wikipedia or google but the main thing to note was that it hooked up to
>> your TV and didn't require any sort of special monitor. Over the past
>> year I've been messing these computer up by short circuiting their video
>> circuitry and adding mods that will do all sorts of crazy things to the
>> graphics. Over the past year I have been able to get to TI99 glitch out
>> in realtime to audio. First this was acheived by hooking the circuits of
>> other sound making devices directly up to it. Second was by adding a
>> modification that used little "switches" that glitched the video
>> circuits in time with any line level audio signal plugged into it. What
>> I have not done is program the device to do any of the things it does.
>> The processor is far to slow to render graphics of the complexity and
>> rate acheived by direct hard-wire hacking. So to sum it all up: The TI99
>> home computer's internal circuitry has been modified to do all sorts of
>> strange glitchy things.
>> "When spring of 2005 rolled around, I had amassed a formidable army of
>> circuit bent toys and got the bright idea to start performing with them.
>> I started been working with Pure Data as a means of recording samples
>> from the bent toys and manipulating both the toys and the samples in
>> realtime. It was a distinct move to start performing and to get away
>> from the through composed musique concrete style I had been comfortable
>> with. Although it was an interesting spectacle to be up on stage with a
>> laptop and a table of helplessly tweeked toys, I felt like something was
>> missing from the performance. Bobbing about wildy over a table of odd
>> electronics resembled some sort of occult ritual and was a little
>> removed from the wild sounds coming out of the speakers. I needed to
>> have the process visualized to ease people into the subdued madness
>> taking place on stage. After watching a few underground electronic
>> groups in Denver perform around town I got the hint that live video
>> projection was a way to draw people into the performance. I had my own
>> ideas about video though and would be damned if I was going to let some
>> hack VJ (with all due respect) bust my glitched lo-fi aesthetic with
>> some super smooth screensaver eyecandy. I had an old TI computer lying
>> about for speech chip bending purposes but couldn't find the right
>> cartridge to tap into it. I figured since I wasn't going to use it for
>> anything else, that I should pop it open and start prodding about. After
>> the first few contacts I had found pure 8-bit pixellated gold. In May
>> 2005 I had completed my first TI99 bend and life has never been the same
>> since."
>> http://www.art-rash.com/pixelform/media/TI99/index.html
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