Re: Development stuff...

Hmmm, I have one of those PAT 9000's...would you like a picture? I
actually have never used it, I use the older Atari Orange test fixture
quite successfully. And have spare plugs for it too.
Perhaps, someday, I should make a list of the test equipment I have that
I am interested in trading for other stuff???

John :-#)#

Clay Cowgill wrote:
>
> >Cool -- sign me up for a couple. Can I ask for a few things on it?
>
> Sounds good... I'm trolling for input...
>
> >Lots of +5 and GND connect area. Seems like some of the boards I've been
> >working on just require a lot (multiboard sets, etc..) Currently I get this
> >growing "chain" of jumpers..
>
> Yep. I agree there. It's part of my reason for doing this-- thin jumper
> wires don't carry enough current to really power big boardsets like Pole
> Position, I,Robot, etc...
>
> >3 audio amps (I've never seen a game need over three -- gorf/wizofwor/etc
> >do need three though -- left/right/voice)
>
> Ah. Ok, hadn't thought of that. I can either combine them into a single
> channel (it *is* just a tester :), or put down three amps. I'm planning on
> using the little LM386 since we use millions of 'em in our modems and
> they're really cheap for me to get. I could even put a little speaker on
> the board actually...
>
> >Inputs for CSYNC, VSYNC and HSYNC (combine V&H) and also have an inverter
> >for the sync. I use a '86 as I recall to combine, and an '04 to invert
> >in my little "does everything" video board. I've just got 2 switches on
> >the board, one for sync select (C, or H+V) and one for invert.
>
> You can actually do all that in one 74LS86. One switch sets output
> polarity with the last XOR gate, the other gates combine the H and Vsync.
> I did this for my monitor tester...
>
> >It would be cool to allow a little plug in module to invert the RGB too
> >(for those that might have to test nintendo stuff -- paul kahler had a nice
> >little analog inverter circuit).
>
> That's easy enough too. A pair of LF353's will work fine. (Another part
> we buy in the millions, so they're cheap... :-)
>
> >I know -- we take a cool little project and make it grow.
>
> I don't think that's too much to ask. I need to think about the best way
> to do it now is all...
>
> >Have you ever seen a PAT9000? (an Atari test piece). VERY impressive.
> >(and as my old roommate would say "Lots of switches and lights!")
>
> I've never seen one. :-( Anybody have pictures?
>
> -Clay
>
> Clayton N. Cowgill Engineering Manager
> _______________________________________________________________________
> /\ Diamond Multimedia Systems, Inc. clay@supra.com
> \/ Communications Division http://www.supra.com/

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