[Coco] CocoSDC disk format

Christopher R. Hawks chawks at dls.net
Sun Nov 30 20:18:29 EST 2014


On Mon, 01 Dec 2014 11:03:48 +1000
Bob Devries <devries.bob at gmail.com> wrote:

> I have now successfully created a working boot disk image for
> CocoSDC. Here's how:
> 
> I created an empty disk image using HxD (there are probably other
> ways also) of $4800 bytes long. I put that image in the second slot
> of the SD card (drive 1), and then booted with the boot disk from the
> NitrOS9 repo.
> 
> I set the dmode of the /SD1 descriptor to 1024 tracks, 1 side, 18
> sectors per track. Then I formatted it.
> 
> I created a directory called BOOTMODS on /DD, CHD'd to it, and used
> modbuster to extract all the modules from the existing working
> OS9Boot file. I used "ls >bootlist" to create a text list of module
> names, and then used minted to add the modules I needed (Rammer, R0,
> CoWin etc) and removing the bootlist filename.
> 
> I then used the OS9Gen command to create the OS9Boot file on the /SD1
> drive "OS9Gen /sd1 <bootlist". I believe that this method will work
> to over-write an existing OS9Boot file, but watch out for
> fragmentation!
> 
> After adjusting the startup.cfg file on the SD card using notepad on
> Windows, and re-inserting the SD card in the CocoSDC, I was able to
> boot with my new modules.
> 
> Any questions? :P
> 
> Regards, Bob Devries
> Dalby, QLD, Australia
>

	Yes. Since the Kernel (krn) is not in the bootfile (it's on
the boot track), where does yours come from?

 Christopher R. Hawks
HAWKSoft
-- 
How can you expect a computer to act sanely when you give it such
conflicting orders?  You want it to work, and you want it to run
Win95.... -- Alan Shutko


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