IBM 5100 - Apl Data Areas

APL Data Areas
C The following diagram shows the relative locations of read/
write storage data areas during APL operations:
(
Hex 0000
Work Area for Internal Microprograms
Hex
0200
CRT Buffer
(
Hex 0580
r-----------------
Hex 0600
Keyboard Input
Work Area
I
nput Buffer
Work Area
(
Pointed t
0
by the
..
User Workspace
address a t
location
hex
0180
Hex 184
bytes
-- .......... -------- - - -------
... Shared Variable Table Entries
from the
r..------------------
start of
the user
workspac
e
(
~
---- ------- ------
IMF(s), if any
-----------------
Serial I/O
End
of Storage-
Language Support 6-5