[Coco] Drivewire hdbdos and the oco 1 & 2

[Luis Antoniosi (CoCoDemus)]

It has the same memory footprint of the normal DECB 1.1. So from ROM it
will work on any 16KB EXTENDED basic machine.


On Mon, Sep 23, 2013 at 9:08 AM, Tormod Volden <lists.tormod at gmail.com>wrote:

> On Mon, Sep 23, 2013 at 2:22 PM, Bill Pierce wrote:
> >
> > Thanks Tormod, you answered my question without actually answering it :-)
>
> As you could see I had answered the question many weeks before you asked :)
>
> >
> > The thought never crossed my mind that if you only have 32k or less,
> there will be NO ram under the roms therefore no where for hdbdos to load.
> Only a position independant build of hdbdos would work on a 32k Coco 1 or 2
> by loading it into lower Ram.
> >
> > Since you've modified hdbdos for the Dragon 32 to be position
> independant, is there a position independant version for the Coco?
>
> It is the same code (in the Toolshed repository) just build flags are
> different. Look at the Dragon examples at the end of the Makefile. If
> you remove -DDRAGON and dragon_equivs.asm from them it will build for
> CoCo. Modify the -DORG= for where to locate the code.
>
> If you test it out successfully we can of course add corresponding
> stanzas to the Makefile.
>
> In your original question you did not specify that you wanted to run
> it from RAM. If you run from a ROM, there is only the ca 3KB RAM used
> for buffers and housekeeping, so I think it should work fine even on
> 16KB CoCos.
>
> Tormod
>
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>



-- 
Long live the CoCo