+-----------------------------------------------------------------------
| Running dangerdeep on OpenBSD
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Keys
====

displays
--------
F1      Gauges
F2      Periscope
F3      UZO
F4      Bridge
F5      Map
F6      Torpedo loading control
F7      Damage control
F8      Log book
F9      Success records
F10     Free view

control
-------
Cursor keys     Rudder left/right/up/down
Cursor k.+shift Turn faster
Return          Center rudders
1,2,3,4,5,6     Throttle slow,half,full,flank,stop,reverse
SHIFT 1...6     Fire torpedo in tube 1...6 (bow/stern tube number position
                relation depends on sub type: as first all bow tubes are
                enumerated, then the stern tubes)
Space           Select target
0 (zero)        Scope up/down
c               Crash dive (to 150 meters)
d               Snorkel depth
f               Snorkel up/down
h               Set heading to view
i               identify target
p               Periscope depth
s               Surface
t               Fire torpedo (automatic selection of bow/stern tubes)
g + SHIFT       Man/unman deck gun
g               Fire deck gun
v               Set view to heading
z               Zoom view (glasses, bridge and periscope view)
+ -             Zoom/unzoom map
, .             turn view
; :             turn view fast
F11/F12         time scale faster/slower
Pause           (Un)pause game
ESC             quit
PRINT           Take screenshot (uncompressed ppm)

special
-------
Numpad 8,4,6,2,1,3      step forward/left/right/backward/up/down in freeview
