Macro |
Description |
ABEND |
Force a User ABEND (Unnnn) |
DCBD |
Map the DCB control block fields |
DELETE |
Relinquish control of a load module. |
DEQ |
Release a held resource. The opposite of ENQ. |
ENQ |
Protect a resource from concurrent use. |
FIND |
Locate an entry in a PDS/PDSE directory. |
FREEMAIN |
Release GETMAINed memory, within the allocated REGION size. |
GETMAIN |
Obtain memory, within the allocated REGION size. |
READ |
Read a block of data (BLKSIZE) rather than individual records. |
RDJFCB |
Make DD statement information available |
SNAP/SNAPX |
Print memory and/ or Register contents. |
STORAGE |
Obtain or Release memory, within the allocated REGION size. |
STOW |
Add an entry to a PDS/PDSE directory. |
TIME |
Obtain current date and time, |
WRITE |
Write a block of data (BLKSIZE) rather than individual records. |
WTO |
Write a message to the operator. |
The Legac-e Information Site
Legac-e - Assembler for non-Assembler Programmers
Exploiting z/OS Services
There are a large number of services available in Assembler, which may not be available in High Level Languages and some of
these are listed opposite.
The list opposite is a mix of Data Manaagement and System Services, some of which may be encountered more
frequently than others.