Not sure how many here use the old WICO pattern generators but I have
modified mine so it has both +/- Hor & Vert. sync and +/- composite sync
as well as pushed it up to EGA speed with a second crystal.
As a result I can test most of the B&W and colour game monitors with
this - up to VGA.
If you have one of these units and want to kludge it up you are welcome
to use my nasty hand-drawn schematic for a guide.
ftp://ftp.flippers.com/TTL/TestEquipment/WICO/Colour&BW/ (grab the PDF
there).
John :-#)#
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Received on Thu Aug 19 22:50:10 2010
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