I found a very nicely done text file documenting the 6309 extensions that I am attempting to link to here in case other readers are like me in admiring the 6809

I found a very nicely done text file documenting the 6309 extensions that I am attempting to link to here in case other readers are like me in admiring the 6809 architecture and are curious about what got tweaked ... https://www.6809.org.uk/dragon/6309.txt https://www.6809.org.uk/dragon/6309.txt