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INSTALL.DOC
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1994-06-24
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Quick setup
===========
Copy the INFOCOM.APP file into the \APP\ directory using one of
Psion's serial links and install using Psion-I in the usual way.
The same binary will run on both the Series3 and 3a.
Install any infocom data files in an \IDF\ directory, preferably
on an SSD, and make sure they have an .IDF extension.
Select a game-file from the system screen to start it running. If
there is insufficient memory available, the application will fail
silently. You will need somewhere between 60 and 80K of memory
available to start a game on the S3a depending upon the game
(slightly less on the S3 or for a second game running at the same
time.) Memory usage may increase slightly as you progress through
the game.
To save and restore, either type the filenames in the usual way or
use the menu commands. The file selector expects that files will
be stored in the \SAV\ directory using a .SAV extension. The
appropriate file selector can also be pulled up by using the
appropriate menu item after the save/restore command has been
typed. Saved positions are usually between 1k and 5k in size,
depending upon the game.
Since version 1.5, the Psion version has sprouted a Fairway style
registration system to get rid of the `nag' screens. This allows
users to disable the copyright messages, which otherwise appear on
save and restore operations, without having to reinstall the
interpreter.
The application attempts to fit in with the Series3/3a spirit as
much as possible, so all operations are available from the menu,
the 3a version zooms in the natural way and the Psion status
window is available.
More details
============
If a save position is selected, rather than a game file, then the
appropriate game will be loaded and the restore done
automatically. The easiest way of making use of this is to
construct an alias for Infocom which lists the SAV files.
NOTE: The automatic restore will only work on positions saved from
1.6d or later copies of the interpreter. If you have any
positions you saved from earlier versions, these will need to be
resaved from before they will work.
Version 1.7 generates much smaller save files than 1.6 and earlier;
these cannot be loaded under 1.6. However 1.7 will read the older
and larger save files.
Series3
=======
NOTE: This application has not been tested on a genuine S3. It
seems to work successfully in compatibility mode on a S3a and on
the S3 emulator, but this is not definitive. 1.6s will typically
run games in less memory than 1.4, despite the new features and
the overhead required to support the 3a.
The small screen size of the Series3 makes the InvisClues present
in some of the later games almost unusable.
Series3a
========
Font switching causes problems on later (version 4 and 5) infocom
games, such as Sherlock and BorderZone. Basically these games
read the screen geometry when starting and ignore any changes, so
the status line is always drawn with a width appropriate for the
initial screen geometry. There seems to be no way around this
problem short of patching the original games. The game will still
run, but the status line may be not be fully visible in some font
sizes. The display preferences are saved between sessions, so you
only need to set them up once.
Some games refuse to start unless the screen is large enough.
This can be a problem if you start the game, switch to a large
font, quit and then try restarting. Fortunately, it is always
possible to switch the font size as the abort message is
displayed; the game should then work when restarted.