SVC 104 (0A68)
TOPCTL macro - is type 4, gets no lock.
Calls module IGC0010D.
APF protected. GTF data is:
- R15
- No applicable data.
- R0
- Bits indicate the subroutine to be run:
0-2 0000 0001 IGC0010D entry point routine. 0000 0002 GTFIELDA decode routine. 0000 0003 STTNME operator command addressing routine. 0000 0004 IEDQCA02 scan routine. - R1
- Address of the operator control work area.