[Coco] Re: CoCo related question? (Better edit for coco3.rom)

Mark Marlette mark at cloud9tech.com
Wed Mar 23 16:05:35 EST 2005


Yep, CC3 runs as John has indicated. ROM to RAM.

CC1-2 runs in ROM mode.

These are the defaults at power up.

Mark
Cloud-9


Quoting "John R. Hogerhuis" <jhoger at pobox.com>:

> On Wed, 2005-03-23 at 13:07 -0500, Albert Stinger wrote:
> > More questions,
> >
> > Exactly how much rom space is available in the coco3 rom and
> > could be used to make a better edit command?  Where is this
> > rom space located in the rom image?  What would be the best
> > way to interface to the edit command so you could have full
> > screen editing with the cursor keys?
> >
>
> Well I think coco3 copies ROM to RAM and runs from there.
>
> Maybe you could compress the ROM image and get some space that way?
> Then
> your extensions would reside in the ROM, but you would run them from
> RAM. Lots of RAM in the coco3.
>
> You would lose a bit of space to the decompression routine though.
> But
> typically decompression routines are fairly small compared to
> compression routines. On balance, I'm sure you would gain some space.
>
> The compression routine would just be run on the desktop.
>
> -- John.
>
>
>
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