As in previous years, the 32nd Annual “Last” Chicago CoCoFEST allows community members an opportunity to showcase advances in the “state-of-the-art”. Often times, these advances are specific to a Tandy or compatible platform, but other times the advance is more general in nature.
To be sure, few things are more general that the central processing unit in the Color Computer, the MC6809E microprocessor. And, just like anything used in the CoCo, there’s always room for improvement. Here’s Kevin Phillipson discussing his Turbo9 research effort, a modern implementation of the venerable 6809: