Код:
.RU DUNGEO
Welcome to Dungeon. This version created 10-AUG-78.
You are in an open field west of a big white house with a boarded
front door.
There is a small mailbox here.
>HELP
Useful commands:
The 'BRIEF' command suppresses printing of long room descriptions
for rooms which have been visited. The 'SUPERBRIEF' command suppresses
printing of long room descriptions for all rooms. The 'VERBOSE'
command restores long descriptions.
The 'INFO' command prints information which might give some idea
of what the game is bout.
The 'QUIT' command prints your score and asks whether you wish
to continue playing.
The 'SAVE' command saves the state of the game for later continuation.
The 'RESTORE' command restores a saved game.
The 'INVENTORY' command lists the objects in your possession.
The 'LOOK' command prints a description of your surroundings.
The 'SCORE' command prints your current score and ranking.
The 'TIME' command tells you how long you have been playing.
The 'DIAGNOSE' command reports on your injuries, if any.
Containment:
Some objects can contain other objects. Many such containers can
be opened and closed. The rest are always open. They may or may
not be transparent. For you to access (e.g., take) an object
which is in a container, the container must be open. For you
to see such an object, the container must be either open or
transparent. Containers have a capacity, and objects have sizes;
the number of objects which will fit therefore depends on their
sizes. You may PUT any object you have access to (it need not be
in your hands) into any other object. At some point, the program
will attempt to pick it up if you don't already have it, which
process may fail if you're carrying too much. Although containers
can contain other containers, the program doesn't access more than
one level down.
Fighting:
Occupants of the dungeon will, as a rule, fight back when
attacked. In some cases, they may attack even if unprovoked.
Useful verbs here are 'ATTACK <villain> WITH <weapon>', 'KILL',
etc. Knife-throwing may or may not be useful. You have a
fighting strength which varies with time. Being in a fight,
getting killed, and being injured all lower this strength.
Your carrying capacity may also be reduced after a fight.
Strength is regained with time. Thus, it is not a good idea to
fight someone immediately after being killed. Other details
should become apparent after a few melees or deaths.
Command parser:
A command is one line of text terminated by a carriage return.
For reasons of simplicity, all words are distinguished by their
first six letters. All others are ignored. For example, typing
'DISASSEMBLE THE ENCYCLOPEDIA' is not only meaningless, it also
creates excess effort for your fingers. Note that this trunca-
tion may produce ambiguities in the intepretation of longer words.
You are dealing with a fairly stupid parser, which understands
the following types of things--
Actions:
Among the more obvious of these, such as TAKE, PUT, DROP, etc.
Fairly general forms of these may be used, such as PICK UP,
PUT DOWN, etc.
Directions:
NORTH, SOUTH, UP, DOWN, etc. and their various abbreviations.
Other more obscure directions (LAND, CROSS) are appropriate in
only certain situations.
Objects:
Most objects have names and can be referenced by them.
Adjectives:
Some adjectives are understood and required when there are
two objects which can be referenced with the same 'name' (e.g.,
DOORs, BUTTONs).
Prepositions:
It may be necessary in some cases to include prepositions, but
the parser attempts to handle cases which aren't ambiguous
without. Thus 'GIVE CAR TO DEMON' will work, as will 'GIVE DEMON
CAR'. 'GIVE CAR DEMON' probably won't do anything interesting.
When a preposition is used, it should be appropriate; 'GIVE CAR
WITH DEMON' won't parse.
Sentences:
The parser understands a reasonable number of syntactic construc-
tions. In particular, multiple commands (separated by commas)
can be placed on the same line.
Ambiguity:
The parser tries to be clever about what do do in the case of
actions which require objects that are not explicitly specified.
If there is only one possible object, the parser will assume
that is should be used. Otherwise, the parser will ask.
Most questions asked by the parser can be answered.
>
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