Changing option and DDNAMES defaults
You can customize the default options and DDNAMES for High Level Assembler for z/VM®. Refer to DDNAMES and default options to identify what default options or DDNAMES you intend to change.
You use VMSES/E to create a local modification that changes the default options and DDNAMES. You modify ASMADOPT ASSEMBLE on the LOCAL disk.
Local modification procedures shows how a local modification procedure is carried out for this product. For more information see z/VM: Service Guide.
Before modifying ASMADOPT, read the following sections.