Overview In DOS/VS R34, all printable characters were limited to upper-case, numbers, and select special characters as exercised by the DUMP service macros. The DOS/VS Assembler macros PDUMP, DUMP and JDUMP invoke various $$B transient phases to perform the work of printing register values, storage content and other partition/system information. Specifically, hex-to-character translation, a LOW-HIGH range table is searched to…