PGRLSE macro
- is type 1, gets LOCAL lock.
Calls module IARPS, entry point IGC112.
GTF data is:
- R15
- No applicable data.
- R0
- Starting address of the virtual area to be operated on.
- R1
- End address of that area plus 1.
- R4
- TCB address.
- R5
- RB address.
- R6
- Entry point address of IGC112.
- R7
- ASCB address.