[Coco] Any reason to put a 6309 in a Coco2?

[Neil Morrison]

Interesting. Microsoft was notorious for doing this with their ROM
Basics.

Neil

----- Original Message ----- 
From: "Arthur Flexser" <flexser at fiu.edu>


> I ran into one incompatibility when I installed the 6309, though it
was
> only because the software author broke the rules.  He used an EXEC
in his
> Basic program that was to an address in the middle of an
instruction, but
> which worked okay with a 6809, which ignored the illegal opcode.
The 6309
> vectored this to its "illegal instruction" error handler, which
hadn't
> been initialized with any code to handle errors, so the program
crashed.