LinuxRules wrote: > I wasn't aware that the coco was based on a eval board design. > My memory is that the Coco design (MOT part of the project) was managed > by a marketing Group in Phoenix working closely with Tandy. There is sample design at the end of the MC6883 (SAM) datasheet. It is almost a CoCo: 6809, 6883, 6847, 6821 (2x), RAM, and ROM.