Tandy 1000 MS-DOS Reference Manual page 260

Chapter 11 / Linking Object Modules
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Semicolon (;). At any time after the first prompt
(0 b j
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et
Mod u 1
e:; : ),
you can select default responses
to the remaining prompts. To do so, type;
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ENTER
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This
eliminates the need to press
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ENTER
1
repeatedly.
Once you enter the semicolon, you can no longer
respond to any of the remaining prompts for that link
session. Therefore, do not use the semicolon to skip
only a few prompts. To skip prompts, use
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ENTER
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CTRL
1
[g. Use
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CTRL
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[g to terminate the link session at
any time. If you enter an erroneous response-such as
the wrong pathname or an incorrectly spelled path-
name-type
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CTRL
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[g to exit the linker. Then you can
restart the linker.
If you made an error but have not pressed
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ENTER
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use \
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BACKSPACE
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to delete characters in that line.
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•
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u
You use the seven linker switches to control various linker func-
. tions. Switches can be grouped at the end of any response or dis-
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tributed at the ends of several. To specify a switch, type a slash
(;) followed by the switch name (that you can abbreviate to the
first letter).
•
IDSALLOCATE - The ID switch tells the linker to
load all data at the high end of the data segment. If
you omit ID, all data is loaded at the low end.
At runtime, the DS' pointer is set to the lowest possi-
ble address to allow the entire DS segment to be used.
Using ID and omitting IH allows any available mem-
ory, below the area specifically allocated within
DGroup, to be allocated dynamically by the user pro-
gram. It thus remains addressable by the same DS
pointer. This dynamic allocation is needed for Pascal
and FORTRAN programs.
Note: Your application program can dynam-
ically allocate up to 64K bytes (or the
actual amount of memory available) less the
amount allocated within DGroup.
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