[Coco] Nitros9 on a CC3 512k

[George Ramsower]

>On Sunday 28 February 2010, George Ramsower wrote:
>> Finally I get around to play with Nitros9, build a boot disk on my XP box
>>using Cocodisk from nos96809l2v030208coco3_80d.dsk and it has a problem.
>> First, I used cocodisk to format the 720K 3.5" disk with 80 track, two
>>sided. Then did the "Write to disk" to do this.
>> The coco does boot and gets as far as the startup file and hangs.
>> Rebooting with a working OS9 disk and looking at the Nitros9 disk reveals
>>that the root directory appears to be intact but I cannot list the startup
>>file or peer into the cmds directory. Error 247.
>> I tried formatting a floppy on the coco and trying again but, with the
>> same result.
>>
>> I would offer more info but don't what to tell you. Ask me questions and
>> I will begin the discovery process as to why I'm getting this problem.
>>
>> Thanks,
>>
>>George
>
On Sunday 28 February 2010, Gene Heskett wrote:

>I have found that the default build does not properly identify the disk
>images format, and have had to edit it with a hex editor, changing the
> bytes at offset $10, and again at $41 I believe, to (if using the 80 track
> image, $07 at 10, and $03@$42).
>

 Beginning at $40, I see "OS9BOOT"

 I think this might be the wrong place to look with DED. Or I'm looking at 
the wrong thing.
George