Artifact Details Title CP/M Basic-80 Catalog Number 102689313 Type Software Description Contents: One 5 1/4 inch disk labeled "Microsoft CP/M BASIC-80 for Xerox 820" Basic-80 Reference Manual Product Registration Card Date 1981 Publisher Microsoft Corporation System Requirements Xerox 820 Format 5 1/4 inch floppy disk Collection Title CHM packaged software collection Series Title Packaged software Lot Number X3954.2007