In general, to execute in 31-bit addressing mode a program must:
- Be assembled using Assembler H Version 2 or High Level Assembler
and using the z/OS® macro library.
- Be linked using the binder or linkage editor supplied with the
operating system or be loaded using the loader.
In general, to execute in 64-bit addressing mode a program must:
- Be assembled using High Level Assembler and the z/OS macro
library.
- Be linked using the binder or linkage editor supplied with the
operating system or be loaded using the loader.