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1993-10-30
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SetDefMon 1.2 (9.9.93)
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Written 1992-1993 by
Franz Schwarz
Mühlenstraße 2
D-78591 Durchhausen, Germany
Uucp: Franz_Schwarz@mil.ka.sub.org
Fido: 2:2476/506.18
SetDefMon alllows you to set your system's default monitor in your
WBStartup, or to zap the default monitor on the fly whenever you want. The
default monitor must be 'PAL/NTSC compatible', e.g. its DisplayIDs have to
be made up exactly like those of the PAL/NTSC monitor drivers. This is
currently the case for the PAL, NTSC, EURO36, SUPER72, DBLPAL and DBLNTSC
monitor drivers, where the later two require OS3.0 and the AGA chip set.
Me personally, I use SetDefMon in my WBStartup to set the EURO36 monitor as
my default monitor. The EURO36 monitor gives me horizontally full NTSC
width (720 pixels), and vertically 201 (i.e. nominal NTSC resolution)
pixels. In connection with a flickerfixer, you get a reasonable 720*402
pixels resolution with normal NTSC/PAL video contention, with an
eye-friendly vertical frame update rate of 72Hz, making it an ideal
operation mode, IMHO. I've mapped 'setdefmon pal', 'setdefmon ntsc' &
'setdefmon euro36' to three different hotkeys, enabling me to quickly
change the default monitor on the fly. There's one catch about this 'mode
zapping', however: The screens that are already open with a defaultmonitor
displayid will be cast to the respective new defaultmonitor mode as soon as
one screen closes. Note that this is only a cosmetic thing, nothing
dangerous at all.
The command line template of SetDefMon is
'PAL/S,NTSC/S,EURO36/S,SUPER72/S,DBLNTSC/S,DBLPAL/S' - where you have to
specify exactly one of the switches.
When started from Workbench, SetDefMon expects that exactly one of
the PAL, NTSC, EURO36, SUPER72, DBLNTSC or DBLPAL tooltypes are present and
activated in its icon.
Setting the default monitor to either PAL or NTSC in your startup-sequence
is considered to be secure in all cases, for other operations there exists
a very, very tiny chance that antiquated 1.3 software may in very rare
cases be confused. Note however, that I use SetDefMon for more than a year
now, and I have only found two or three programs that caused minor problems
with toggling modes on the fly, and I never found a program at all that was
confused by setting the default monitor to EURO36 during WBStartup.
LEGAL: SetDefMon is placed in the public domain - the author can't be hold
liable for any damage that stems from the use of this program - no matter
whether indirect damage or direct damage.
Have fun,
Franz 'Blacky' Schwarz