X-Git-Url: https://jxself.org/git/?p=open-adventure.git;a=blobdiff_plain;f=advent.adoc;h=c95758e7ca4ac09e1f453283ac366852fca9631c;hp=a53ccd3c77eb56287740c10f046ea869dca1bf89;hb=39fbd7a56fc491a85e8f62348b2da8390198bef0;hpb=e50d41561cf1ca5ee6f1dcefaa7190c8fbe2f50a

diff --git a/advent.adoc b/advent.adoc
index a53ccd3..c95758e 100644
--- a/advent.adoc
+++ b/advent.adoc
@@ -5,7 +5,7 @@
 advent - Colossal Cave Adventure
 
 == SYNOPSIS ==
-*advent* [-l logfile] [-o]
+*advent* [-l logfile] [-o] [-r savefile] [-s]
 
 == DESCRIPTION ==
 The original Colossal Cave Adventure from 1976-77 was the origin of all
@@ -20,21 +20,37 @@ original, type 'news' at the command prompt.
 There is an 'adventure' in the BSD games package that is a C port by
 Jim Gillogly of the 1976 ancestor of this game.  To avoid a name
 collision, this game builds as 'advent', reflecting the fact that the
-PDP-10 on which it originally ran limited filenames to 6 characters.
+PDP-10 on which the game originally ran limited filenames to 6 characters.
 
 This version is released as open source with the permission and
 encouragement of the original authors.
 
+Unlike the original, this version supports use of your arrow keys to edit
+your command line in place.  Basic Emacs keystrokes are supported, and
+your up/down arrows access a command history.
+
+Otherwise, the "version" command is about the only way to tell you're not
+running Don's original.
+
+To exit the game, type Ctrl-D (EOF).
+
+There have been no gameplay changes.
+
 == OPTIONS ==
 
 -l:: Log commands to specified file.
 
--o:: Old-style.  Restores original interface, no prompt.
+-r:: Restore game from specified file
+
+-o:: Old-style.  Restores original interface, no prompt or line editing.
+     Also ignores new-school one-letter commands l, x, g, z, i. Also
+     case-smashes and truncates unrecognized text when echoed.
 
 == BUGS ==
 
-The binary save file format is fragile and unlikely to survive
-through version bumps.
+The binary save file format is fragile, dependent on your machine word
+size and endianness, and unlikely to survive through version bumps. There
+is a version check.
 
 == REPORTING BUGS ==
 Report bugs to Eric S. Raymond <esr@thyrsus.com>.  The project page is