Paul Allen (Microsoft co-founder) writes about the Z80 SoftCard and the early Microsoft history in his book "Idea Man": http://www.amazon.com/Idea-Man-Memoir-Co

Paul Allen (Microsoft co-founder) writes about the Z80 SoftCard and the early Microsoft history in his book "Idea Man": http://www.amazon.com/Idea-Man-Memoir-Cofounder-Microsoft/dp/1591845378/ http://www.amazon.com/Idea-Man-Memoir-Cofounder-Microsoft/dp...