[Coco] CoCo BASICS - clarification on the differences?

[Arthur Flexser]

One thing that does not come through very clearly in the answers you
received is this:

The various CoCo's had in general MORE THAN ONE type of Basic ROM
installed. It is not Extended Basic OR Color Basic:  Extended Basic
REQUIRES Color Basic.
Super Extended Basic for the CoCo 3 requires Color Basic and Extended
Basic. Disk Basic also requires Color Basic and Extended Basic. So if you
upgrade a Color Basic CoCo so that it now contains both Extended Basic and
Color Basic ROMs, your old programs will still run.  Same thing if you
upgrade by adding a disk controller containing a Disk Basic ROM.

In terms of the firmware, not all of these were in physically separate
ROMs.  Color Basic, Extended Basic, and Super Extended Basic all exist in a
single ROM on the CoCo 3.  Some if not all CoCo 2s had Color Basic and
Extended Basic in a single ROM.

Art

Art

On Tue, Apr 4, 2017 at 8:54 AM, John Lochey via Coco <coco at maltedmedia.com>
wrote:

> Hi all,
> I'm a little confused about the Tandy Basic versions.
>
> What does the MC-10 use?  Color Basic I believe
>
> What does the CoCo2 use?  Extended Color Basic I believe (at least that is
> what I see in XROAR)
>
> What does the CoCo3 use?  Extended Color Basic/Disk Basic I believe
>
> I'm trying to determine how much the BASICS differed between the CoCo2 and
> CoCo3.
> I have searched the internet for the main differences between Color Basic
> and Extended Color Basic, but cannot quite find a definitive list.
> I would imagine it is just a few commands?
> It also appears that any CoCo could be upgraded to Extended Color Basic as
> well.
>
>
> Also dare I even ask what OS-9 and NitrOS-9 are?  ;)
>
> Thanks!
>
>
> John
>
>
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