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 Post subject: Re: CBM IEC Bus Question
PostPosted: Wed Feb 24, 2021 1:15 pm 
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Joined: Wed Jan 08, 2014 3:31 pm
Posts: 578
There are likely commercial products that can record and analyze logic levels. But I've seen people use microcontrollers to do that as well. Pretty much any modern microcontroller is a speed demon compared to the IEC bus. So sampling bus states and serializing to a PC for analysis should be straight forward.


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 Post subject: Re: CBM IEC Bus Question
PostPosted: Sun May 01, 2022 11:34 am 
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Joined: Thu Mar 24, 2022 8:52 pm
Posts: 11
For IEC, even the parallel port of a PC can do the job (that is, if you still have one).
I had written a small program for this many, many years ago (https://spiro.trikaliotis.net/pposc) which I used for OpenCBM debugging. This program must run on plain DOS, no DOS extended, no virtual 8086 mode.


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