This is kind of a long story, but I think it's a great discovery.
I just picked up my car at my mechanic's shop, and he showed me
something I hadn't thought possible. He runs a Parts and Invoicing
program that I wrote in FP DOS 2.6 starting sometime in the '80s. He's
still running it under Windows XP. But what he showed me was the same
program running, in full-screen mode, under Windows 7, completely
without modifications!
Here's what he did:
a. Bought Win 7 32-bit version (because DOS pgms won't run in 64-bit).
b. Used Device Mgr to disable the Windows Display Driver, so that it
uses the default VGA.
c. Changed the DOS box properties to run 1024x768 in Full-Screen mode.
We had tried XP Mode under Win 7-64, but could not get the Serial
printers to work. We also tried running it under VFP 9, which sort of
works but looks terrible on the screen. So he dug into it and spent a
lot of nights Googling and experimenting, and by god he solved it!
He also found something saying that Win 8 can run 16-bit programs, which
we'll look into, but for now we're pretty happy.
Dan Covill
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