[Coco] CoCo 2 bitbanger does 57600bps!

[Roger Taylor]

Well, the title of this message says it all...

I have achieved 57600bps communications over the CoCo 2's bitbanger port at 
the 1mhz clock rate!  In my tests, the CoCo is receiving data at 57600bps 
from a Windows PC reliably.  I'm going to run some continuous code and 
check for errors over several days to prove just how reliable this is, but 
so far it looks great.

Besides this being an AWESOME accomplishment, I assume that the 6821 PIA on 
the CoCo 1 and 2 can only work reliably at the 1mhz clock rate.  Therefore, 
if the CoCo 3's PIA can work right at 2mhz, then we can achieve 115200bps 
over the bitbanger port using my same code.






-- 
Roger Taylor