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|AdAstra| by Ray Loades-Bannon
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AdAstra is a version of the classic arcade game 'Asteroids' for the Acorn
Archimedes. Save the asteroid belt from the forces of not-so-good computing,
etc. The game play is hopefully self-explanatory, so this file just
describes the keys used to control the game.

SHIP CONTROL KEYS (All but \ are shown on the game's instruction screen)
  Rotate anti-clockwise        Z
  Rotate clockwise             X
  Thrust                       Shift
  Fire (auto-repeat)           Return
  Fire (single)                \
  Hyperspace (panic)           Alt
  Force materialisation        Space

GAME CONTROL KEYS
  Start game                   Space
  Abandon game                 Esc
  Pause                        Ctrl
  Un-pause                     Ctrl or Space
  Exit AdAstra                Esc (from instruction screen)

SOUND CONTROL KEYS
  Sound FX on/off              F1/F2
  Musak off/quiet/medium/loud  F5/F6/F7/F8

NOTES
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Brave souls can delve in !AdAstra.Constants to change the keys, though the
instruction screen will not change to follow suit).

Yes, it is meant to sound like Ad(vert) Asteroids and those are
Apple saucers. If I could have thought of an appropriate graphic there would
have been Hewlett Packard saucers too.