tim@arcadecollecting.com
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 Posted:
Mon Dec 12, 2005 1:36 am Post subject:
Help hook up a Vectrex controller to a PC |
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Okay, so I'm writing an article about how to play classic vector arcade
games on your Vectrex. I've got it all working nice, but I'd like to
create an interface to use the original Vectrex contoller. Here's what I
know.
The original controller varies the voltage on the X/Y output pins from -
5v to +5 volts as you move the stick. The interface I'm using to the PC
is an A-Pac from Ultimarc.
http://www.ultimarc.com/a-pac.html
It measures the resistance across 5k, 10k, 50k or 100k pots for its XY
inputs.
I'm pretty clueless as to how to go about translating the output from
the Vectrex controller to a varying resistance in the range required.
The other problem is that I won't have a -5v source, only the +5v
present on the a-pac.
TIA,
Tim
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