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1990-07-24
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ORBS HELPER
July 22, 1990
Since I haven't found time to provide a function in ORBS to allow
you to direct the satellite listings to a disk file instead of to
your printer, here's a rather simple way to accomplish the same
thing, and it gets me off the hook!
I have included two Shareware utilities which NO one should be
without, anyway; LIST and LPT2DSK. LIST is the universal file-
viewing tool which has been around forever; it was written and
rewritten by Vern Buerg, probably the most well known utility
writer around these parts. The complete .DOC file is included,
but suffice it to say you can use it by simply executing
LIST <filename>
The other utility (LPT2DSK) was apparently originally written by
someone at MicroSoft and distributed with Compaq computers.
LPT2DSK f=<filename> sets up a DOS shell, grabs everything
destined for the printer and stuffs it into a 64K buffer until you
execute an EXIT command, at which time it flushes the buffer to
the filename you specified at invocation.
The way you use it then is to execute LPT2DSK F=RON , run your
application which generates printer output, leave your application
(go to DOS), then execute the EXIT command. You will hear/see
your disk drive writing the file.. You can also capture text
screen images to a disk file with this... simply invoke LPT2DSK,
then hit the <SHIFT/PRINT-SCREEN> keys which would normally direct
the screen contents to the printer, but this time, it will be
captured to the disk file you specified. When you're finished
doing print-screens, just execute EXIT and your file will be
written.
CAUTION: LPT2DSK can only handle a maximum buffer size (and
therefore, file-size as well) of 64K. If you exceed 64K output,
you will surely crash your application program. The utility is so
useful, we'll have to forgive the author this minor limitation.
Anyway... back to using these two with ORBS. Before you enter
ORBS, execute LPT2DSK F=RON (for lack of a better filename),
then start up ORBS. Run your satellite prediction listings
(careful not to overflow the 64K buffer), terminate ORBS, then
execute EXIT . This will write out a file with a name of RON
(in this example).
If you wish to view this file, simply do a LIST RON to see the
generated output.
You'll want to investigate LIST thoroughly.. it's excellent!
73, W0PN