Recovering the ROM of an IBM 5100 using OCR (among other things)
Boris Gimbarzevsky
boris at summitclinic.com
Fri Jun 28 18:06:32 CDT 2019
That was a very interesting read! The type of
thing I could see myself doing over 40 years ago
when once I'd come up with a neat idea and either
did preliminary coding or hardware design
suggesting it would work I'd jump right into it
and find optimistic 1 month project timelines
stretching to 6+ months. My approach now would
be to just use a logic analyzer or a number of
Propeller boards to sample all of the lines from
ROS as very sedate clock speed that the 5100 uses.
Still, this has applications beyond original goal
and could use it to acquire patient lab data from
hospital EMR's which are increasingly locked
down. Used to be I could export a patients lab
results to a text file easily to graph them out
vs time or look at correlations between various
lab values. Now that's forbidden as one is only
allowed to look at them on the screen or use the
abysmal graphing functionality which is very
poorly coded and makes a PDP-8 doing the same
functionality seem like a
supercomputer. Thus, one could simply point a
cell phone camera at the screen, record the lab
results scrolling by and then do OCR on the
series of images to create a data file of all of
the lab results one is interested in. I've
just photographed results on a screen as takes
less room than another sheet of paper.
>This is *epic*.
>
>https://github.com/stepleton/5100NonExecutableROSDecode/blob/master/WRITEUP.md
>
>--
>Liam Proven - Profile: https://about.me/liamproven
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