[Coco] Preliminary Support for SDC in HDBDOS

[Zippster]

Well of course test it first. :)

- Ed


> On Nov 24, 2014, at 11:32 AM, Brett Gordon <beretta42 at gmail.com> wrote:
> 
> Right now, it assumes a max sized partition, 256 disk.  I have to add
> one more method to flesh out the HDB Driver.  I would like some people
> to test the ROM out before plopping it by default onto the SDC image.
> If  you try it let me know how it turns out.
> 
> I don't think I can fit all the fancy stuff, like Darren's SDCDOS into
> 8K.  And I'm pretty sure Boisy and Mark expressed concerns about HDB
> spreading out into a 16k image. So the fancy stuff my have to stay on
> a utility disk.
> 
> On Mon, Nov 24, 2014 at 12:02 PM, Zippster <zippster278 at gmail.com> wrote:
>> That sounds great.  When you get it finalized I can include it in one of the selectable
>> ROM banks as an optional DOS (for future shipments of SDC’s), since there
>> are 6 banks open.
>> 
>> - Ed
>> 
>> 
>>> On Nov 24, 2014, at 8:09 AM, Brett Gordon <beretta42 at gmail.com> wrote:
>>> 
>>> This weekend I was able to hack in some preliminary support for
>>> CoCoSDC into HDBDOS.   This will allow you to treat a SDC mounted hard
>>> drive image in the same manner as the other devices (IDE,SCSI,DW,
>>> etc...)
>>> 
>>> I have replaced the only the low-level DSKCON drivers, so HDB can
>>> access the two logical drives. However, HDBDOS cannot do all the fancy
>>> stuff (yet) - mount disk images, list the SD directory.  In other
>>> words, you will probably have to have a config.ini on your SD card to
>>> make SDC auto-mount images.
>>> 
>>> I have shared three files here:   http://sites.google.com/site/cocoboot2/down
>>> 
>>> hdbsdccc3.dsk :  cocoboot disk that autoloads the new HDB (coco3)
>>> hdbsdccc2.dsk:   save as above for the CoCo2
>>> hdbsdc.rom:        a new ROM image (set for partition offset 0x000000 )
>>> 
>>> There's two ways to try it:
>>> 
>>> 1. Burn (flash) the ROM to your device, and boot.  The same directory
>>> has a SDC flashing utility.
>>> 
>>> 2. Use the above cocoboot disk to use HDBSDC in RAM.  If the cocoboot
>>> disk fail to boot properly, its probably because you have an MPI, or a
>>> strange configuration.. no worries: CoCoBoot contains a menu-driven
>>> setup program to help you tailor the boot to different setups. (Yes,
>>> it can change your HDB partition offset)
>>> 
>>> This is all experimental (but tested).  Shortly, I'll ask for a code
>>> review of my changes to HDBDOS, and maybe they will get pushed to the
>>> repo.
>>> 
>>> If you need any help, email me.
>>> 
>>> --
>>> Brett M. Gordon,
>>> beretta42 at gmail.com
>>> 
>>> --
>>> Coco mailing list
>>> Coco at maltedmedia.com
>>> https://pairlist5.pair.net/mailman/listinfo/coco
>> 
>> 
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> 
> 
> 
> -- 
> Brett M. Gordon,
> beretta42 at gmail.com
> 
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