SVC 0 (0A00)

EXCP/XDAP macro - is type 1, gets LOCAL lock.

Calls module IECVEXCP, entry point IGC000.

GTF data is:
R15
No applicable data.
R0
Address of the IOBE when IOBFLAG4 is on in the IOB.
R1
Address of the IOB associated with this request.
     
DDNAME cccccccc Name of the associated DD statement.
DCB xxxxxxxx Address of the DCB associated with this I/O request.
DEB xxxxxxxx Address of the DEB associated with this I/O request.