X-Git-Url: http://git.subgeniuskitty.com/sgk-go/.git/blobdiff_plain/c82ca61cf5e0994e080619e826b51d8a0ba96d51..6e524d8086b42ce69ac368485dac62d90d40493e:/README.md

diff --git a/README.md b/README.md
index 18b84a0..1e1bfe7 100644
--- a/README.md
+++ b/README.md
@@ -22,7 +22,7 @@ terminal.
 
 I find myself less distracted when playing from a serial terminal. I also
 rarely finish a game in one session. Thus, my selection of GNU Go as a base
-upon which to tinker was in part driven by its `--mode ascii` CLI interface.
+upon which to tinker was in part driven by its `--mode=ascii` CLI interface.
 This allows me to run a game inside `screen`, (re-)attaching to it either from
 a real serial terminal or from a terminal emulator on a modern computer.
 
@@ -31,16 +31,37 @@ attempting to read the board position. Adding some color cleared the fog. In
 order to maintain compatibility with `screen` and my terminal, this addition of
 color uses only ANSI escape codes to set the background, printing an ASCII
 space character to create a block of color. This mode may be selected via the
-`--mode ansi` option. The screenshot below shows ASCII mode on the left and
+`--mode=ansi` option. The screenshot below shows ASCII mode on the left and
 ANSI mode on the right, both boards depicting the same game.
 
 ![Screenshot: ASCII mode (left) vs ANSI mode (right)](/sgk-go/.git/blob_plain/HEAD:/interface/interface-example.png)
 
 In support of serial terminals like my Tektronix 4107 which only support
-era-appropriate ANSI escape codes, an additional `--mode strictansi` option was
+era-appropriate ANSI escape codes, an additional `--mode=strictansi` option was
 created.
 
 
+## Two Player Mode ##
+
+The ANSI mode mentioned above was cloned to create a two-player mode with the
+same terminal-compatible ANSI-color UI. Both players must reside on the same
+computer and have permission to create FIFOs under `/tmp/` with `mknod()`.
+
+The first player to launch Go plays as black and the second player to launch
+plays as white.
+
+All communication in the client is strictly synchronous. Thus, commands to save
+or analyze the game may only occur during your turn. Outside your turn, your
+client will only display the following message, accepting no other input until
+a move is received from your opponent.
+
+    Waiting to receive move from other player...
+
+When a game terminates, each player is provided an opportunity to save an SGF
+file for later analysis. Continuing a multiplayer game from SGF is not
+currently supported.
+
+
 ## Future Plans ##
 
 The GNU Go engine is written in plain old C, all reasonably organized and
@@ -57,5 +78,5 @@ execute directly from within the build directory, run the following commands.
 
     ./configure
     make
-    ./interface/gnugo --mode ansi
+    ./interface/gnugo