START is used to start a new task. It is a interval control command. XCTL is used to pass control to a program within the same task. It is a program control command.
Minimum, Standard, FULL
To provide the control and services of the DB/DC system
In COBOL II start with CEBR, and get the offset/instruction.
Language interface and call parameters
Check EIBRESP after the call or use the HANDLE condition.
Yes, the called routine must be defined in PPT and the calling program must use CALL identifier...