[Coco] Ownership of NitOS-9

[Darren A]

On Wed, Nov 5, 2014 at 1:24 PM, Nick Marentes <nickma2 at optusnet.com.au>
wrote:

 <snip>
> Right from the get up and go, I 've run into problems regarding /d0 /sd0
> (I'm using the SDC build). I was following the manuals starting at chapter
> 1 and found that both /d0 and /sd0 access the same directories and I was
> wondering why, after a few directory reads, I kept getting ERROR #247 and
> couldn't read any drive.
>
> I have since learned that I should only be using /sd0 (an LBA device) and
> that /d0 should not have even read the /sd0 device.
>
> This is using the SDC build of NitOS-9 and is a problem of a "bug" in this
> version and a lack of documentation.
>



It sounds like a firmware update for the CoCo SDC is needed. I guess a
mechanism should be added to allow the OS9 driver to lock out the
controller's floppy emulation capability so that /d0 and /d1 aren't
recognized.

Darren