HP 3000 Manuals

Introduction to MPE XL for MPE V Programmers Migration Guide

Additional Information 

For information on using the SORT-MERGE intrinsics, refer to Sort-Merge
Reference Guide (32214-90001).  For information about the HPSORT-HPMERGE
intrinsics, refer to the MPE XL Intrinsics Reference Manual (32650-90028)
and the SORT-MERGE/XL Programmer's Guide (32650-90080).

MPE/iX 5.0 Documentation