[Coco] SCD-DOS for Dragon computers
Zippster
zippster278 at gmail.com
Mon Jan 19 12:39:43 EST 2015
So if I cut the first ‘x’ bytes off to get the file size down to 184332 bytes,
would SCD-DOS handle that, or would the mangled header cause problems?
Or I guess just cutting out bytes 13 to (file size - 184320) would be the
way to go.
Not sure what header info the SDC firmware uses.
- Ed
> On Jan 19, 2015, at 11:13 AM, Darren A <mechacoco at gmail.com> wrote:
>
> On Mon, Jan 19, 2015 at 9:04 AM, Ciaran Anscomb wrote:
>
>>
>> CoCoSDC doesn't support the variable header length of VDKs, and will
>> only work when there's no disk name included - i.e., if the header is
>> exactly 12 bytes long (file size 184332 bytes for 40T SS disk).
>>
>
>
> Okay, I just took a look at the SDC firmware source and Ciaran is correct.
> A VDK header will only be recognized when the file size divided by 256 has
> a remainder of 12.
>
> I wasn't even aware that VDK headers could have a disk name included. I'm
> having trouble finding any definitive information about the format.
>
> - Darren
>
> --
> Coco mailing list
> Coco at maltedmedia.com
> https://pairlist5.pair.net/mailman/listinfo/coco
More information about the Coco
mailing list