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25 Mega Hit Games for DOS
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25_Mega_Hit_Games_Micro_Star_1996.iso
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coridor7
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1994-03-30
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╔═══════════════════════════════════╗
║ ║
║ CORRIDOR 7 ADDENDUM ║
║ ║
╚═══════════════════════════════════╝
The following information is provided as an addendum to the
Corridor 7 Alien Invasion Manual. A few things may have
changed or may have been added since the manual was sent to
the printers.
──────────────────────── Changes ─────────────────────────
1. Proximity mines now appear as RED blinking blips on your
map instead of BLUE as stated in the manual. This was
done during final beta testing because we found it too
difficult to distinguish between dropped mines and the
players position.
2. Securing the floor for the different difficulty levels
requires kills of certain percentages as follows:
DIFFICULTY KILLS REQUIRED
========== ==============
Corporal 10%
2nd Lieutenant 75%
Captain 100%
Major 100%
On Corporal and 2nd Lieutenant levels a message will
appear (and be heard on SoundBlasters & compatibles)
when the appropriate percentage of aliens have been
killed stating "Elevator Clearance Acquired". This means
that at any time you may go to the elevator and proceed
to the next floor.
──────────────────────── Additions ────────────────────────
Alternate elevators can be found on some floors (usually
guarded by boss aliens). These elevators will take you to
"bonus levels". You do not have to secure the floor on a
bonus level to complete the game. Bonus levels are for
points only. You enter the bonus level with whatever items
you are currently carrying and leave the bonus level with
the same items (including health and ammo). You cannot die
on bonus levels - instead, you are awarded points for kills
and shooting accuracy, then taken to the next floor. You
play the bonus level until your health has expired or until
you return to the elevator.
** NOTICE **
It may be a good idea to save your game when you are taken
to a bonus level. This way, you can replay the bonus level
as often as you wish until you kill all aliens and gain as
many points as possible.
──────────────────── TroubleShooting ──────────────────────
If you are experiencing difficulties with digitized sound
effects such as sporadic playback, distortion or choppiness
there are a few things you can try that may alleviate the
problem before you call for technical support. The problems
mentioned above are most often the result of an interrupt
conflict. The playback of digitized sounds in applications
using DMA (Direct Memory Access), such as the case with
SoundBlaster and compatibles, relies heavily on your chosen
interrupt to keep the actual sound data moving from memory
to the DAC (Digital to Analog Converter) of the sound card.
The most commonly used interrupts for sound cards are 5 and
7. Corridor 7 supports interrupts 2, 3, 5 and 7. A printer
will also often use one of these interrupts. A sound card
and printer that share common interrupts will in many cases
cause digitized playback problems. Other specialized add-in
cards such as network or scanner cards, may also be using a
system interrupt. In such a case using a DOS boot disk or
temporarily commenting out the loading of specialized
drivers from your "autoexec.bat" and "config.sys" files can
alleviate the problem. The sound cards' interrupt should
be reserved SOLELY FOR ITS USE. If possible use interrupt 7
(the original SoundBlaster default) for your sound card. If
using a Pro-Audio Spectrum card in SoundBlaster emulation
mode, once again set the SoundBlaster interrupt to 7 if
possible (there should be a hardware jumper on the card for
the SoundBlaster interrupt), and make sure that the actual
PAS interrupt and the SB interrupt are not the same (this
can again result in a conflict). It is possible that you
may not have access to the faders in the game that control
music and digitized volume. This is because these functions
were designed around the mixer chip used in SoundBlaster 16
and SoundBlaster Pro cards. If you do not have one of these
sound cards you will not be able to use the audio-mixer
section. This problem may be resolved soon as we await more
comprehensive standards in regards to sound card functions
and compatability.