[Coco] Using a Commodore 1084S with the CoCo

Frank Swygert farna at att.net
Fri Dec 21 10:47:40 EST 2007


Diego, download "Tandy's Little Wonder" from the list site (under Farna). There is a section on monitors that has the simple circuit (just a NOR gate) to combine the sync  for the CoCo3. At the time the book was written there was only one 1084S, and it worked fine with a straight through wired cable. Seems these others (D1 and D2) are similar to some of the older Sony and Atari ST monitors. 

--------------------
Date: Thu, 20 Dec 2007 13:27:41 -0300
From: Diego Barizo <diegoba at adinet.com.uy>

Indeed, this monitor has both
But still, there is some difference in the pinout.
There is no intensity line (that's good), but it uses a composite sync, 
while the CoCo has H Sync and V Sync.
Pin Number   RGB Analog Mode

1            Ground
2            Ground
3            Red
4            Green
5            Blue
6            N/C
7            Composite Sync
8            N/C
9            N/C

 Torsten mentions using the composite video signal for that... I guess 
is either that or use Mike's little adapter (I would have to get the 5v 
out of somewhere inside. I really can't plug another thing)
Thanks to all
Diego

-- 
Frank Swygert
Publisher, "American Motors Cars" 
Magazine (AMC)
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