>My favorite was Motorola, I was working on a 6809 board and asked for
>the spec sheets. They sent me the spec sheets, "Programming the 6809" by
>Zak Labiak, and the Assist09 manual (source etal). Too bad I'm having
>such
>difficult time getting their parts. I'm still just a hobbiest. And
>getting
>ordering parts in 1'zies is still the bane of my hobby. (Schooled as an
>EET but I work in the Data/Voice network field).

I used to get 6809s and the chips like the Address Multiplexor, designed for
use in a 6809 system from A company called cricklewood electroincs in
London, UK.

You could try them.