[Coco] HDBDOS (IDE) & MESS (Coco2)

[Luis Antoniosi (CoCoDemus)]

MESS has no IDE support. You should use either VCC (with superIDE) or
RGB-DOS on MESS. RGB-DOS uses 256-byte sectors and it's not compatible
with IDE images.

I did a patch to support IDE on MESS but you will need to recompile it:

https://sites.google.com/site/tandycocoloco/mess-superide


On Wed, Mar 12, 2014 at 7:58 AM, Mark McDougall <msmcdoug at iinet.net.au> wrote:
> Hi all,
>
> Apologies if this info is elsewhere but a search through the last few years
> of the mailing list archives didn't give me any hints...
>
> I'm trying to run my HDBDOS (IDE) image with the Coco2 in MESS v152.
>
> So what I've done is replace the disk11.rom image with my HDBDOS image;
> that's loading fine.
>
> I then start up MESS with the -flop1 and -hard1 options specifying floppy
> and hard drive images respectively. The hard drive image I'm using is the
> one that works with my aforementioned HDBDOS image. I'm aware the RSDOS
> offset is not 'standard', but since my HDBDOS image matches my hard disk
> image, that should be OK - right?
>
> I get the HDB-DOS startup screen, and then:
>
> LBA HARD DRIVE NOT FOUND
>
> This suggests to me that the issue is perhaps not with the image itself, but
> the emulation in MESS?!? What is HDBDOS doing to 'detect' an IDE drive? Is
> it issuing an IDETIFY_DEVICE command (I seem to recall that it is). I
> couldn't see any support for that in MESS's coco_vhd.c file... maybe this is
> the issue?
>
> Regards,
>
> --
> |              Mark McDougall                | "Electrical Engineers do it
> |  <http://members.iinet.net.au/~msmcdoug>   |   with less resistance!"
>
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