[Coco] at least 12 M.E.S.S. 6809 modes

[Roger Taylor]

There's also the Spectrum I+ which is a modified Vectrex.  I added that 
(raaspec), plus the MC 10 to the IDE's emulator launcher.

This makes 12 6809 machines, which includes the 8 CoCo/clones, the MC-10, 
CP-400, and 2 Vectrex's.