home
***
CD-ROM
|
disk
|
FTP
|
other
***
search
/
Magnum One
/
Magnum One (Mid-American Digital) (Disc Manufacturing).iso
/
d14
/
egautl85.arc
/
EGAUTIL.DOC
< prev
next >
Wrap
Text File
|
1990-11-22
|
3KB
|
61 lines
EGAUTIL 8.5 - (c) Kai Uwe Rommel - Nov 21 1990
This is the third public release of EGAUTIL & EGAWUTIL. The name may
imply that it is a utility for EGA only, but it works on VGA as well.
In reality, VGA cards are recognized and handled a bit different.
The name is just for historical reasons (see version number ...).
This is a screen saver on which I am working already for a long time.
It runs on EGA or VGA under DOS and has some special features. It
monitors not only the keyboard but also a Microsoft-compatible mouse,
if installed (compatible on driver level, Logimouse was tested with an
earlier version). Also, it can blank a secondary monochrome Hercules
display, if installed. See its help page for details.
Now I added a small DLL for use under Windows. This DLL establishes a
system hook and notifies the screen saver of Keyboard and Mouse events.
They communicate via the multiplex interrrupt (INT 2F). This DLL works
under Windows 3.0 or newer only (in all three modes, real, standard and
386 enhanced). The INT 2F seems to be clean to be called in protected
mode, even in 286 standard mode (the INT 2F is the preferred method for
communication with TSR's under DOS anyway). Without this DLL loaded, the
screen will never be blanked in standard or enhanced mode.
I have tested it under Windows 3.0 with heavy load and it always worked
well. But if you have problems with it, please reportthem to me. Note
again: IT ONLY WORKS WITH EGA OR VGA (all Super VGA too).
The screen is blanked by completely switching off the display(s). That means
if you would like some pictur/graphics/animation, then this one is not
for you ..., but this has the advantage, that all the Windows do not have
to be repainted, when the screen is switched back on.
I wanted the screen (and the monochrome debugging display) to be
*completely* blanked. I find these animated screen savers boring after a
while - so I wrote one that is boring from the beginning :-)
When running Windows with EGAWUTIL.EXE, if the mouse is moved into the upper
right corner of the display, the screen is blanked instantly. If it is
moved into the lower right corner, the screen will never be blanked.
When running plain DOS without Windows, the screen can be blanked manually
by pressing Sys-Request (Alt-PrintScreen) and then the key S (short clicks
are heard when pressing these two keys).
Install the screen saver main program EGAUTIL.COM in AUTOEXEC.BAT with
EGAUTIL /I /D:delay [/M] [/2]
The delay is in minutes, /M means a mouse is installed (probably you all have
one), /2 means a secondary monochrome display is installed.
Put the EGAWUTIL.EXE into WIN.INI into the "Load=" line
Load=EGAWUTIL.EXE ...
(You perhaps have more programs listed in this line).
Kai Uwe Rommel
Munich
rommel@lan.informatik.tu-muenchen.dbp.de