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Simtel MSDOS 1992 December
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plot
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PLOTDUMP.DOC
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1989-02-01
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PLOTDUMP Instructions
The PLOTDUMP program sets up a Terminate & Stay Resident routine that
will dump a graphics image to an Epson compatible dot matrix printer
when the keys Ctrl and PrtSc are pressed simultaneously. The program
can dump Hercules graphics images, 640x200 (mode 6) monochrome CGA
graphics images and 640x350 (mode 16) EGA graphics images inwhich all
foreground colored objects are displayed against the background (color
#0). With an EGA image, the background (color #0) is printed as white
and all other colors are printed as black.
The command PLOTDUMP installs the TSR routine in memory. If plot dumps
are made often then the PLOTDUMP command should be placed in the
AUTOEXEC.BAT file (the file PLOTDUMP.COM must be in the root directory
or a path must be specified to the directory containing the file).
NOTE: In order to dump to a printer a plot drawn by the SPLOT (Screen
Plot) program, the PLOTDUMP program must be installed in memory before
making the plot.
Technical note: Besides pressing Ctrl PrtSc, a graphics dump can also
be invoked by calling software interrupt #72h. Besides the interrupt
#72h vector, the routine also uses the interrupt #73h vector to store
the string "WGH" as a flag that the routine has been installed.
The PLOTDUMP program is protected by copyright law; it is not public
domain. It is provided with the SPLOT software and its use, other than
for evaluation purposes, without payment for the SPLOT software is a
copyright violation. The PLOTDUMP program is provided "AS IS" without
warranty of any kind.