[Coco] Questions about CoCoSDC, RBSUPER, and LLCOCOSDC

Robert Gault robert.gault at att.net
Mon Apr 29 20:59:08 EDT 2019


Thanks Tormod,

  I found and posted the same thing about 4 minutes before your message. :)
Actually I needed 3 bytes for the offset so IT.OFS in the descriptor was not sufficient. I needed 
IT.WPC & IT.OFS with IT.WPC's redefined first 3 bytes as IT.SOFF1 IT.SOFF2 IT.SOFF3 .

Robert

Tormod Volden wrote:
> Robert,
>
> Look in level1/modules/rbsuper.asm and search for AddSectorOffset -
> this is where the sector offset, specified in the descriptor as
> IT.SOFF, is added.
>
> It certainly makes sense that such an offset is defined in a
> descriptor, and not in the driver code.
>
> I actually use this on the SD cards for the MOOH, the cards have a
> normal DOS partition table (GPT partition table is also supported in
> FUZIX!) and I place the NitrOS-9 partition at sector #512 of the card,
> with the corresponding IT.SOFF set in the device descriptor (from
> superdesc.asm).
>
> Regards,
> Tormod
>
><snip>


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