Re: Trackstar video problem.

[mjmahon@aol.com (Michael J. Mahon)]

Robert L. Doerr wrote:

>"Frank Townsend" <ftownsen@nospam.net> wrote in message
>news:<lQsuc.11625$Lq1.3232@nwrddc03.gnilink.net>...
>> Has anyone gotten an Apple composite monitor to work with a Trackstar?  If
>> so, which one?
>> 
>> I don't want to install the modification listed in the FAQ, and I don't
>know
>> where to find a CGA monitor.
>> 
>> (CGA to VGA converters are prohibitively expensive.)
>
>Hello Frank,
>
>I've never tried a composite monitor on the Trackstar before.  Mine is
>in an old Turbo XT system with a Hercules monochrome card and
>monochrome display.  The same monitor is shared by both the PC and the
>Trackstar.  So far it has worked out well.
>
>Weren't there a few different versions of the Trackstar board?  Which
>one do you have?

On a related subject, the Trackstar //e actually has _two_ 65C02s
on board, and the literature says, somewhat cryptically, that one is
used to generate the video. (!)

Has anyone reverse-engineered this curious feat?  Or does anyone
have real engineering documentation on this board?

-michael

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