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

August_1997
Re: G-05 monitors


From: Clay Cowgill ( )
Date: Thu Aug 07 1997 - 12:23:15 CDT


>> If you ever plan on building a Color Card convertor you're going to need to
>> recreate these circuits since Boxing Bugs intentionally overdrives the X/Y
>> signals, since it was known no damage would result, and software clipping is
>> slow, and a pain.
>
>So how does the Color Card interpret the 12-bit color data it get from the
>CPU ??? This has been bugging me (no pun intended) for some time.

 From when I looked at it-- all it does is latch the 12 bit "color" data and
use a simple resisitor-based D/A to convert it to voltages for the color
guns. The game board turns the colors on and off as needed just like the
intensity boards.

-Clay

Clayton N. Cowgill Engineering Manager
_______________________________________________________________________
/\ Diamond Multimedia Systems, Inc.
\/ Communications Division http://www.supra.com/


HOME