On Jan 12, 2004, at 6:20 PM, Roger Taylor wrote: > Can 6811 code run on the CoCo or 6809? It may be possible to assemble 6811/6800 code with a 6809 assembler and run it (like you can do with 8080 code on an x86) but it will not run directly. I am not completely sure what all the enhancements from the 6800 to the 6811 are.