The service call used by the ABEND macro to identify an application problem.
ABEND macro expansion using SVC 13:
608 ABEND 4095,DUMP
609+ DS 0H
610+ LA 1,4095
611+ LA 0,128(0,0)
612+ SLL 0,24(0)
613+ OR 1,0
614+ SVC 13
and
615 ABEND 4094
616+ DS 0H
617+ LA 1,4094
618+ SVC 13