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Is there a way to control a parallel port interactively (e.g. set output to 11011111, then set output to 11100000, etc.) ?

I have a "black box" with unknown pinout that I am trying to determine which of the parallel port outputs do what, and I would like to send test outputs in a controlled way.

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Turbo C++ aaah those were the times. We did it programatically. electrosofts.com/parallel/index.html – Aki Oct 12 '11 at 18:26
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