The listing below is a copy of the ZLIH machine code, as input to the IMASPZAP utility program (AKA "Superzap") that was used in to patch the ZLIH into the nucleus of the MFT release 21.6 operating system for the blue System/360 Model 50. (All but the first three tokens of each line, e.g. "REP 04 05C0", are comments, as are lines with an asterisk in column 1).

Stan Yack
Instructional Designer and Softsmith