Character Character Name
(0 Iocl)
Note: The remaining elements (187-256) are unused.
Appendix D. 5100 APL Compatibility with IBM APLSV
The 5100 APL system differs from the IBM APLSV system primarily because the
5100 is a single user system with different input/output devices and it has display
screen output rather than typewriter output. The differences are as follows:
0 Turning power on signs the user on; therefore, no sign-on or ID number is
The 5100 active workspace is generally smaller than APLSV active workspace.
It is further limited by the shared variable processor which uses it for input/
output buffers and work areas.
The default number of symbols is 125 instead of 256, which increases the avail-
able workspace for most users.
The library number that appears in system commands has been redefined to a
device/file number. It is a 1- to 5-digit number that specifies the device and
file number where a workspace is to be )SAVE'd or )LOAD'ed. If the number
is less than 4 digits, it is only the file number; device 1 is assumed; otherwise,
the high-order 1 or 2 digits is the device number.
The )LOAD, )COPY, )PCOPY commands require the library (device/file) num-
ber and workspace ID parameters. The )DROP command requires the library
(device/file) number and if the specified file is a stored workspace file, the
workspace ID parameters. These requirements protect the user from inadver-
tently destroying his or her saved workspaces.
0 The following commands are not supported because they apply only to multi-
terminal systems and remote systems:
IOPR; all special system operator commands
0 The following commands are not supported because the function is not
0 The following commands are not supported:
They are available with the system variables 010, UPW, and OPP, respectively.
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