[Coco] HDB-DOS Eprom

Brett Gordon beretta42 at gmail.com
Fri Mar 18 16:28:49 EDT 2016


It a nominal max size of nitros9 file system...give or take.  And its a
nice round hex number to remember, since we have no partition tables. ;)

Brett M Gordon
On Mar 18, 2016 3:59 PM, "Tormod Volden" <lists.tormod at gmail.com> wrote:

> On Fri, Mar 18, 2016 at 7:55 PM, Robert Gault wrote:
> > HDBDOS will work with real hard drives and hard drive images (.vhd). The
> > most prevalent .vhd image used with the emulators JVC, MESS, and VCC
> assumes
> > the first part of the .vhd is for OS-9 and the latter for Disk Basic.
> This
> > hard drive image consists of $5A000 bytes allocated to OS-9/NitrOS-9. The
> > rest of the image consists of 256 Disk Basic "disks" which are 35-track,
> > single sided.
>
> Out of curiosity, what is the origin of the $5A000 value?
>
> Tormod
>
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