Basic IBM Mainframe Assembly Language Programming

An introduction to the instruction set architecture and assembly language for the IBM mainframe including addressing models, basic instruction formats, operand addressing, the Program Status Word, subroutine linkage, looping, input output, character & bit manipulation, along with the decimal (BCD) instruction set. Includes several comprehensive programming examples. Designed to be used in conjunction with the Window's based open source, z390 mainframe emulator. Assumes no prior knowledge of assembly language programming.About the author: the author is a professor of computer science at the University of Northern Iowa in Cedar Falls, Iowa where he has taught IBM assembly language for over twenty years.