We're looking into using the CMPSC "Compression Call" instruction, and the z/Arch POP says ".. assumes knowledge of the introductory information and information about dictionary formats in *Enterprise Systems Architecture/390 Data Compression, SA22-7208-01*."
I find lots of references to SA22-7208, but have been unable to locate that manual. ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: GET IBM-MAIN INFO Search the archives at http://bama.ua.edu/archives/ibm-main.html

