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Old 22 December 2011, 14:00   #15
jimbob
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Join Date: May 2006
Location: Kilmacolm
Age: 41
Posts: 626
good stuff prowler and mike.

Mike, could you try your lightpen out with the generic lightpen driver on aminet linked above. As Roy and I have different non-working symptoms with it, (albeit with different monitor set ups, I expect mine will never work properly). Just in case it is Roys actual pen that is faulty.

Roy, just a thought, did you try fiddling the brightness control.

The HRM bit about lightpens suggests to me that a generic driver should work. Inside the pen looks like just a photodiode to trigger a pulse when the video beam hits it. Everything else is done in amiga hardware.

http://amigadev.elowar.com/read/ADCD.../node0189.html


It also makes some sense of what I see when using a scandoubler, ie. the video beam just ain't where the amiga thinks it is when the pulse is triggered.
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