VECTORLIST - The Mailing List For The Technical Discussion of Vector-Based Arcade Games

November_1999
Re: Testing XY games on oscilloscope


From: Christopher X. Candreva ( )
Date: Thu Nov 18 1999 - 10:07:17 CST


On Thu, 18 Nov 1999, Joel Rosenzweig wrote:

> When I used a scope for this purpose, I used a TTL inverter, anything you
> like in the 7400 series. They don't require any additional circuitry to
> run, only power and ground. They are dirt cheap, and you can buy them at
> any electronics store.

Either I have a freakish scope, or I'm blind, but I've never had to put an
inverter on the Z input of my scope, and the picture looked fine. Well,
fine enough for debugging -- I wouldn't want to install it in the cab. :-)

-Chris

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Chris Candreva -- -- (914) 967-7816
WestNet Internet Services of Westchester
http://www.westnet.com/


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