[Coco] Color basic and available RAM

[Darren A]

On Wed, Feb 11, 2015 at 9:20 AM, John Guin wrote:

> There were some tweaks that would move the Color Basic and Extended Basic
> ROMS around to give around 39K of free memory on a 64K machine.  I may not
> remember the specifics correctly - maybe one of the early years in the
> Rainbow had this?
>
> Never saw it used much, though.  I was always jealous of C64 owners for
> this (weird) behavior.  When they booted, they had much more free memory
> than the Coco.
>


That is what the Dragon 64 does as well.  When you boot a D64 you have the
same ~24K available like a CoCo. If you enter EXEC it switches to All RAM
mode and copies an alternate version of the Basic interpreter from ROM into
RAM at $E000, giving you an additional 16K to work with.

- Darren