Microsoft Z-80 SoftCard manual (draft)

I recently got a (signed!) set of manuals for the “Microsoft Z-80 SoftCard” that were originally provided to the designer of the SoftCard, Don Burtis, for the purpose of proofing the text. They are interesting in that they contain some penciled corrections, and also that the product itself was called the “Z-80 SoftCard.” Sometime […]