the reentrant code for the
Thus, such functions as
be placed in
system.
loaded into
means of the
starting from the high address of the user program. In addition,
this storage area can be allocated from the top down by
there is not enough storage available in the low
area. Thus, the usable size of the user program area is reduced by
by the loader tables, which are required by the
tables indicate which modules are currently loaded in the user
program area (and the transient program area after a
The size of the loader tables can be varied by the
tables, the
Free storage can be allocated by issuing the
area, beginning after the high address of the user program.
areas.
If possible,
storage area.
storage above the user program area.
There are two types of
for
storage are kept in separate 4K pages, it is possible for storage of one
type to be available in low storage, while no storage of the other type
is available.
Part 3. Conversational