16 May
2023
16 May
'23
3:06 p.m.
On Tue, May 16, 2023 at 4:05 PM Dennis Boone via cctalk
<cctalk(a)classiccmp.org> wrote:
> At the most recent CoCoFEST!, I brought home the
old Glenside Club
> Computer Hard Drive. The mechanism is an ST-251...
<
The best way to approach this, given the interchange
issues with MFM
disk controllers, is probably to use one of Dave Gesswein's MFM Emulator
devices. It'll give you a flux image that can then be decode.
I have an MDM Emulator and it's nice, on those occasions you are
trying to read a supported drive (it supports a _lot_ of encodings,
but not every single platform).
Two layers - fortunately in this case, the low-level format is known
(WD1002A-WX1) and that's good. I'd totally expect an MFM Emulator to
be able to pull bytes off the drive. I am not a CoCo person so I have
no idea what tools can be used to pull files from a raw pile of disk
blocks there.
-ethan