On 2/10/2015 1:17 AM, Camillus Blockx wrote: > Hi, hardware guru's > > > > Is there a list of all I/O addresses of the coco 3 that are used for interfaces. http://www.colorcomputerarchive.com/coco/Hardware/Color%20Computer%20Expansion%20Interface/Color%20Computer%20Expansion%20Interface.pdf Jim