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1988-04-15
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OKSCR.COM
Version 0.00
Copyright April 15, 1988 by Keith P. Graham
Contact: PC Rockland BBS (914) 353-2157
OKSCRN.COM is an experiment. It is a program which should be able
to do screen captures of Text or Graphics screens. I have tested
it on my CGA screen and it seems to work. I would like verification
that it works on a variety of other screen types.
INSTALLATION: OKSCR.COM is installed by entering OKSCR followed
by any valid DOS command. OKSCR is not technically a memory resident
program. It loads itself temporarily while another program is
executing and then unloads itself when the program is done. Although
OKSCR is a very small file (even smaller after I ICE'd it) it grabs
a healthy chunk of memory (about 74k) so it can process any graphics
screen.
Typically you would enter a command such as:
OKSCR BRUSH
which would load in PC PAINTBRUSH or:
OKSCR GIFVIEW MARILYN.GIF
which would load in a GIF Viewer and a picture of Marilyn Monroe.
(please note that you have to have PC Paintbrush, Gifview and Marilyn
before you can load them, The point is that OKSCR loads another program,
any program, and cannot operate alone.)
Once you have loaded OKSCR and a program you may, at any time
trigger the screen capture by pressing the Alt and Left shift keys and
holding them down while you tap the O key (letter O - not zero).
OKSCR will attempt to identify the graphics mode that you are in and
grab a screen accordingly. If you are in text mode the program will
grab a text screen and save it.
SPECIAL INSTRUCTIONS FOR HERCULES GRAPHICS MODE: Hercules is the
single non-standard mode that does not use BIOS calls to set the
screen. It is difficult to be sure that a program is using
Hercules mode and impossible to tell which of two screens is active.
By pressing Alt Left-Shift H you can grab the Hercules Graphics
screen 0 as a PCX file. If you are not in Hercules graphics mode,
you still get a PCX file, but it is not usable.
SUPPORTED VIDEO MODES:
Text:
modes 2,3 and 7
Graphics:
modes 4,5 and 6 - CGA
modes D and E - EGA
modes 10 and 11 - VGA
modes 25 and 50 - 640*480 Paradise and Tseng Labs
mode 40 - AT&T 640*400
mode 43 - Hecules Screen 0
I will be adding to the list and including color.
TEXT FILES: If you are in a valid text mode, OKSCR will produce
a file named ########.CAP on the current disk and directory. The
CAP files are timestamped by using the current time as the name of
the file. This allows many screen captures in a session. The file
is an ordinary ascii text file. All screen attributes are stripped and
a carriage return and line feed is added every 80 characters and an
end of file marker is added. You can use these files directly in most
word processors.
GRAPHICS FILES: The graphics files produced are in PC Paintbrush
format and are readable by OPTIKS and some other conversion programs
for inclusion as a graphics file. They are readable by Ventura.
The file produced is a black and white file (color will follow in
a few weeks). The extension of the files produced is PCX and the
name is a time stamp in order to uniquely produce many files.
TIPS: You may make OKSCR.COM "resident" by entering:
OKSCR COMMAND
Enter EXIT at any DOS prompt in order to "uninstall" OKSCR.
You may convert the .CAP files to .PCX files with OPTIKS by
loading the files as TEXT and saving them as PC Paintbrush files.
This way you can accurately present text screens in Ventura as
a graphics file, including all of the box drawing characters.
If you decide to try this, do not let Ventura do the scaling to fit,
always use an even amount scale factor such as 2 by 2 to prevent
strange distortions and loss of detail.
VIRTUAL LAST WORD. I am still messing with this program and don't even
have a version number. If something strange happens, you machine
might lock up (I haven't gotten it to lock up on me lately, but
my users are much more inventive than I am.) Until you are sure
that OKSCR works correctly, don't do anything non-recoverable.
REAL LAST WORD. Please don't send money. For the time being, OKSCR
is free. I remain the copyright owner and I will not allow it to
be distributed with commercial products or sold except for disk
copying service who charge a nominal fee. I hope to be updating and
improving OKSCR and at some point will charge for it. Please do not
call me. I am never home an I cannot return phone calls on a free
product. I can be reached at PC Rockland BBS. I do not mail diskettes
except for the complete OPTIKS commercial package. Do not mail me
diskettes with return postage with requests for mailings.
I am very moved that people want to support shareware, but I have
found that running the business is a full time job and I already
work all day and teach at a local college evenings. I program
shareware because I like to, not because I expect to make any
money. When the money aspects start getting in the way of programming
I have to put my foot down. I thank you for your support. Please
use OKSHR and enjoy it. I hope it helps you.