On Thu, Apr 27, 2017 at 11:49 PM, Chuck Guzis via cctalk <cctalk@classiccmp.org> wrote: >> On Thu, 27 Apr 2017, Ethan Dicks via cctalk wrote: >> >>> Additionally, for a testing framework to poke signals through the >>> drive for debugging during the repair, what's a good platform? A >>> PC running MS-DOS? The TRS-80 Model 4 itself? Besides doing >>> directories, are there any good bits of software anyone can >>> recommend for exercising floppy drives on a sub-system-by-subsystem >>> basis? (move the heads, do a read, do a write...) > > > I'd still recommend Dave Dunfield's ImageDisk--it's got several good > functions--test RPM, Clean heads, check alignment, etc. > > Runs on MS-DOS and, AFAIK, even on the 5150. > > I'm actually a bit surprised that nobody's done a floppy exerciser for > the lowly Arduino. Easy enough--if you use the timer "capture" feature > on the AVR, you can even do simple disk read testing.
KryoFlux has something like that. https://www.kryoflux.com/ has the details, but it is commercial. Warner