RDJFCB macro - is type 3, gets LOCAL lock.
Calls module IGC0006D.
GTF data is:
- R15 and R0
- No applicable data.
- R1
- The 24-bit address of the parameter list.
- PLIST
- Four to 40 bytes of the RDJFCB parameter list, which has a maximum
of 1020 bytes. The list is a series of 4-byte entries, each containing
a 24-bit address DCB. The high-order byte has bit 0 set to one to
indicate the last entry. The address of the parameter list that is
passed must be a 24-bit address.