There was an 8089 I/O co-processor. I'm not sure what used it, maybe if you were making some kind of realtime data acquisition system?
It'd be fun to shoehorn some incredibly (relatively) powerful device as an 8086 copro - maybe an early GPU or something that could communicate slow enough.
It'd be fun to shoehorn some incredibly (relatively) powerful device as an 8086 copro - maybe an early GPU or something that could communicate slow enough.