Kryoflux or Catweasle

[Fred Jan Kraan]

On 24 May 2017 08:28:42 -0700 Chuck Guzis via cctalk 
<cctalk at classiccmp.org> wrote:

> Mine are for specific-purpose applications, so they're not likely to be
> of use to anyone else.  Note that I'm not interested in archiving disks,
> but rather getting at their content and saving that.
> 
> But golly, it isn't that difficult--most MCUs have several timers, and a
> "capture" facility so reading should be easy.  Writing is again, mostly
> feeding a PWM output to the drive.  The floppy interface itself is very
> much brain-dead.

This is indeed very easy to implement, I did it in less than a day, 
including some doc: https://fjkraan.home.xs4all.nl/digaud/arduino/FDDExer/.
> 
> This isn't news--the HxC emulator basically does the work and runs on an
> STM32F1 platform--which is weak tea compared to the ARM CPUs currently
> available.

I'm not sure this will work on my Teensy, but it will be fun to try. Or 
else I could upgrade.
> 
> My .02 cents.
> Chuck

Fred Jan