Re: RF74 Disk
Andrew Ball <[email protected]>
| Newsgroups | gmane.os.netbsd.ports.vax |
|---|---|
| Message-ID | <CACHVeKm8fsUcwoC2+WnHy19Z+XPSqvASD2mp-6euGFT6BTiNVw@mail.gmail.com> |
ASB> It's not critical but the completionist in me would love to
> know that the disks I create in the emulator could be dumped
> onto their physical counterparts and not hang off the end.
PK> Yes, that's what you'd expect from emulated disk container
> files. But that will be true so long as the sector count
> matches, given that you'd just be using dd or equivalent. If
> you were actually using at the physical device at the physical
> recording level you'd likely see all sorts of other stuff not
> visible to software, like spare sectors, block remapping, and
> fun stuff like that. If you were building a plug-compatible
> RF74 emulation (a device that could plug into an RF74
> controller) you'd have to worry about that, like David
> Gesswein's famous MFM disk emulator. But for virtual disks you
> see none of that.
A sector count would suffice. I haven't been able to find one though.
-Andy.