[Coco] Quick 6809 Q for night owls in the US

[William Astle]

On 14-04-15 09:09 AM, Darren A wrote:
> Motorola advertised the 6809 as being "source compatible" with the 6800. A
> compliant assembler for the 09 should be able to accept all 6800
> instructions. Incompatibilities involving the Carry flag in TST and
> CPX/CMPX instructions can still be an issue.

I suppose I should add a mode that handles that to lwasm at some point. 
It seems like it shouldn't be too problematic. Though as things stand, a 
few macro definitions can make lwasm play ball.