On 4/24/24 13:10, David Brownlee via cctalk wrote:
  Typically the second processor would run as primary,
using the
 original 6502 to handle input, display and I/O (and on 32016 you
 *really* wanted someone else to deal with anything time critical like
 interrupts :) 
Thats the way we did it on the Poppy--the 80186 did the I/O for the
80286.   You could run CP/M-86 or MSDOS without the 80286.   I never did
figure out if the 80286 at 6MHz was outperformed on MSDOS by the 8MHz 80186.
--Chuck