[Coco] NitrOS9 partitions

Bob Devries devries.bob at gmail.com
Sun Nov 23 23:04:13 EST 2014


Well, I tried it, and....
... it works!!! WOOHOO

I extended the boot file which came with the CocoSDC from ~4.5MiB to 
128MiB; created a descriptor which had the offset set and the correct 
number of cyls; formatted it (keeping fingers crossed) and now I have 
two partitions in one file.

Regards, Bob Devries
Dalby, QLD, Australia


On 24/11/2014 1:43 PM, Bob Devries wrote:
> Adding to my previous question....
>
> I noticed in a post by Gene Heskett, that the wpc and ofs descriptor
> settings are indeed set aside to be used for partitioning.
>
> The question now becomes: Has anyone done this before?
>
> Regards, Bob Devries
> Dalby, QLD, Australia
>
>
> On 24/11/2014 11:46 AM, Bob Devries wrote:
>> Hi all,
>>
>> Is there any way that NitrOS9 can use partions on the likes of CocoSDC?
>>
>> I know that OS9/68K does do this with a parameter in the device
>> descriptor. It used a (IIRC) three byte offset to the starting sector of
>> the partition, and uses uniquely named descriptors for the partitions,
>> such as /H0a, /H0b etc.
>>
>> I see there are some settings that show up when I use dmode, which are
>> ofs=, wpc=,rwc. I don't appear to have information about these settings.
>> Can someone point me to docs? Help dmode doesn't explain the settings.
>>
>> Regards, Bob Devries
>> Dalby, QLD, Australia


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