Goldsbrough, Paul F. Microcomputer interfacing with the 8255 PPI chip with portions of the experiments by Peter R. Rony by Paul F. Goldsbrough - 1st ed - Indianapolis H. W. Sams c1979 - 217 p. ill. 22 cm - Blacksburg continuing education series . Includes index Subjects--Topical Terms: Microcomputers--Programmable peripheral interfaces Dewey Class. No.: 621.3819 / 535