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The Humble Guy's Humble Dox
presents
Chuck Yeager's Air Combat
Game Documentation
Humble Dox 6/24/91
......................
: STARTUP PARAMETERS :
When you start Yeager Air Combat, the program automatically detects the best
graphics mode for your computer and starts the game in that mode. However, if
you want to start the game in a different graphics mode, you can do so by
adding a few extra characters (called arguments) to the start command.
The program does not automatically detect CMS Boards or the Covox Speech Thing.
You need to instruct the game with an argument to use these cards.
EXAMPLE: Let's say you want to load the game with EGA graphics mode and music
generated with a CMS Board (you must have a CMS board installed). You'd type
YEAGER EGA CMS and press Enter.
The order of the extra arguments doesn't matter as long as there's a space
between each argument.
These are the arguments you can use:
CGA Loads game with CGA graphics.
EGA Loads game with EGA graphics.
MCGA Loads game with MCGA graphics (Same graphics as VGA, but slower.
Maintains compability with PS/2 25 and 30).
TGA Loads game with Tandy graphics.
VGA Loads game with VGA graphics.
SLOWCARD When you are in MCGA or VGA mode, if the game freezes on
startup, or if you get sound but the wrong colors or no colors at
all, try this parameter. It slows down the interface between
the computer and the video card.
FASTCARD Deactivates Slowcard.
JOYSTICK Loads game with joystick flight control.
KEYBOARD Loads game with keyboard flight control.
MOUSE Loads game with mouse flight control.
MOUSE2 Loads game with high-resolution mouse flight control.
LOW Loads game in low graphics detail mode (less detail speeds up
game play).
MEDIUM Loads game in medium graphics detail mode (less detail speeds up
game play).
HIGH Loads game in high graphics detail mode.
NOSOUND Loads game with sound turned off.
NOSPEECH Loads game with digitized speech turned off. It also reduces the
amount of disk swapping necessary when playing on four 360K
floppies.
PC Loads game with PC internal speaker sounds.
ADLIB Loads game with AdLib sound card sounds.
BLASTER Loads game with Sound Blaster sound card sounds.
TANDY Loads game with Tandy 1000 sound.
TANDYDAC Loads game in Tandy 1000 models equipped with DAC (such as
the Tandy 1000 TL),which results in clearer digitized speech.
COVOX1 Loads game with loud speech driver for the Covox Speech Thing
on parallel port 1. Note: there is no auto-detect for Covox so
this parameter is required if you want to use Covox.
COVOX2 Loads game with loud speech driver for the Covox Speech Thing
on parallel port 2. Note: there is no auto-detect for Covox, so
this parameter is required if you want to use Covox.
CMS Loads sound driver for CMS music board. Note: there is no
speech driver for CMS, so digitized speech will play through
the PC's internal speaker. Also, there is no auto-detect for
CMS, so this parameter is required if you want to use your
CMS Board.
SMALL Use this if you have a computer with less than 640K of memory.
It deletes complex versions of some shapes to speed up the
simulation.
LARGE Deactivates Small.
ALL If you want to be able to play all missions without having to
win each one, type this parameter to make all missions available
immediately. This is a default parameter.
CAMPAIGN Starts new campaign. In order to advanced in Campaign Mode,
you will need to land safely at your home base after successfully
completing each mission.
Note: when you quit the game, the program automatically remembers all of that
game's startup parameters, as well as all the items checked on the drop-down
menus. The next time you start the game, just type YEAGER and press Enter, and
those same parameters and menu items will be in effect. Also, if you quit the
game in the middle of a Campaign, and you want to retum to where you left off,
be sure not to select the Campaign parameter the next time you start up the
game, as that will put you at the beginning of a new campaign.
...........................................
: KEYBOARD PROCEDURES FOR NON MOUSE USERS :
Tab Moves cursor arrow sequentially through option "buttons."
Spacebar Selects option beneath cursor arrow.
Enter Selects option with >"text"< (arrows) on either side. Note: this
may be different than the button the cursor arrow points to, so
you can hit Enter to save time.
Esc Exit to previous screen.
Backspace Backup one screen when creating a custom mission.
"Hot keys" Most options can be selected by pressing the first letter of the
first word. For example, "Test Flight" is selected from the
main menu by pressing T.
Note: On the Historical Mission Selection screen, pressing 1, 2, or 3 will
select the first, second, or third mission visible on the screen.
.........................................
: YEAGER AIR COMBAT-KEYBOARD REFERENCES :
VIEWS
F1 Forward
F2 Back
F3 Left
F4 Right
F5 Up (Look up at 45 degrees from forward view)
F6 Down (Look down at 45 degrees from forward view)
F7 Plane to target
F8 Target to plane
F9 Map (in playback screen, this activates the "3D box view")
F10 Fly-by
Shift-F1 Behind your airplane, looking forward
Shift-F2 In front of your airplane, looking back
Shift-F3 Alongside the right wing of your airplane
Shift-F4 Alongside the left wing of your airplane
Shift-F5 From below looking up at underside of your airplane
Shift-F6 From above looking down at the top side of your airplane
Shfft-F7 Target's cockpit
Shift-F8 Following target
Shfft-F9 Circling external view of airplane
Shift-F10 Following missile
(Cursor Arrows) Slew view angle. If you're using the keyboard to control
the flight stick, or if you're on the FILM PLAYBACK screen,
then you have to press Ctrl along with the arrow keys.
Ctrl-PgUp/PgDn After you've selected "fly-by view" these keys will change
the altitude of your view position.
- Decrease view magnification
+ Increase view magnification
FLIGHT CONTROLS
1 to 5 Set throttle (0%, 25%, 50%, 75%, 100%)
6 Afterburner (Vietnam Era aircraft only)
7 Throttle -5%
8 Throttle +5%
G Landing gear up/down
F Flaps in/out
B Air brakes and wheel brakes on/off
COCKPIT CONTROL
Backspace Display/Hide instrument Panel
] Select previous weapon
[ Select next weapon
Space, Button A Fire weapon
Enter, Button B Select next target to right of current target
' (apostrophe) Select target closest to center of screen
9 Fire chaff (on MiG-21 and F-4 only)
0 Fire Flare (on MiG-21 and F-4 only)
R Radar on/off (on MiG-21 and F-4 only)
, (comma) Decrease RWR magnification (on MiG-21 and F-4 only)
. (period) Increase RWR magnification (on MiG-21 and F-4 only)
W Next waypoint
Shift-W Previous waypoint
Shift-E Eject
Ctrl-R Change HUD (Heads Up Display) color
Ctrl-F Toggle flight info on/off
D Show how much damage you've absorbed (as % of max damage)
MISCELLANEOUS - DURING FLIGHT
Esc Toggle flight menus on/off
Ctrl-P Pause
Ctrl-S Sounds on/off
Ctrl-Q End mission
Ctrl-A Direction to nearest friendly plane
Crtl-Z Direction to nearest enemy plane
T Toggle time compression (1x, 2x, 4x)
Lt, Rt (arrows) Previous/Next menu
Up, Dn (arrows) Previous/Next item
PgUp, PgDn Previous/Next group (one or more items separated by a line)
Home, End First/Last item
Enter Make selection and remove menus
HELP FUNCTIONS
Ctrl-I Invincibility on/off
Ctrl-E Easy Aiming on/off
Ctrl-L Easy landings on/off
Ctrl-U Unlimited ammo on/off
Ctrl-T Target information on/off
Ctrl-B Blackouts and redouts on/off
Shift-1 Map window on/off
Shift-2 Flight envelope window on/off
Shift-3 Target view window on/off
Shift-4 Yeager window on/off
Note: Using a help function will prevent you from advancing in Campaign Mode.
The Nearest Friend (Ctrl-A) and Nearest Enemy (Ctrl-Z) features do not count
as Help Features in Campaign Mode. KEYBOARD AND MOUSE USERS: Because it's
more difficult to aim while controlling your airplane with the keyboard or a
mouse, you can select Easy Aiming from the Help Menu and still complete a
Campaign.
FILM PLAYBACK SCREEN
P Brings up film playback screen when in flight
Home Go to start of film
End Go to end of film
;(Semi-colon) Move back five seconds
'(apostrophe) Move forward five seconds
[ Move back 1/20th of a second
] Move forward 1/20th of a second
5(keypad) Stops film
Left Arrow Play in slow motion
Right Arrow Play at normal speed
PgDn Play at 2x normal speed
Ctrl-(Cursor Arrows)
Slew view angle (Also activated by the tab key and by
moving the cursor arrow. These can also be used to rotate
perspectives in Box View.)
(Function Keys) Set the view mode. All commands remain the same as, except
that F9 activates BOX VIEW instead of MAP VIEW, which is not
available on the Film Playback screen.
Enter Next Target button (only when in Target View)
+ Zoom in
- Zoom out
L Load film (only works in Review Film on main menu)
S Save film
Esc Exit Film Playback Screen
The following commands work only in "Box View."
F9 Activates Box View
H Always follow plane's heading (default=off)
P Always follow plane's position, keeping player centered in
the box. (default=off)
EXITING TO DOS
Ctrl-C Exit to DOS. You will be asked to confirm this by pressing Y.
GAME NOTE
In Campaign Mode and Ace's Challenge you MUST come to a full stop at your home
base to get credit for a completed mission. In some missions (notably escort
missions) the scenario will end after the bombers have reached their final
waypoint. You must land at your home base before they reach their final
waypoint.
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