Changed doc format to straight ASCII. Added some extra details.

2 files changed, 163 insertions, 89 deletions

diff --git a/doc/protocol.md b/doc/protocol.md
deleted file mode 100644
index b804df7..0000000
--- a/doc/protocol.md
+++ /dev/null
@@ -1,89 +0,0 @@
-Next File Transfer Protocol
-===========================
-
-Introduction
-------------
-
-Next File Transfer uses a simple protocol where a single character defines
-a message type. 
-
-The following are standard compents of a message:
-
-> <NNNNN>	5 ASCII digits making up a zero-padded number.
-> <N bytes>	A stream of N bytes.
-
-
-Put File
---------
-
-The format of the message from the client is:
-
-> A		Put file command
-> <NNNNN>	Length of filename
-> <N bytes>	The filename
-> <NNNNN>	Length of the data for the file.
-> <N bytes>	The data.
-
-The server responds with either:
-
-> OK		The command completed OK
-
-or:
-
-> !E		There was an error writing the file.
-
-
-Get File
---------
-
-The format of the message from the client is:
-
-> B		Put file command
-> <NNNNN>	Length of filename
-> <N bytes>	The filename
-
-The server responds with either:
-
-> OK		The command completed OK.  The file contents will follow.
-> <NNNNN>	The length of the following data.
-> <N bytes>	The data frin from the file.
-
-or:
-
-> !E		There was an error reading the file.
-
-
-Change Directory
-----------------
-
-The format of the message from the client is:
-
-> C		Change directory command
-> NNNNN		Length of pathname
-> <N bytes>	The pathname
-
-The server responds with either:
-
-> OK		The command completed OK
-
-or:
-
-> !E		There was an error changing to the directory
-
-
-Create Directory
-----------------
-
-The format of the message from the client is:
-
-> D		Create directory command
-> NNNNN		Length of pathname
-> <N bytes>	The pathname
-
-The server responds with either:
-
-> OK		The command completed OK
-
-or:
-
-> !E		There was an error creating the directory
diff --git a/doc/protocol.txt b/doc/protocol.txt
new file mode 100644
index 0000000..20378a0
--- /dev/null
+++ b/doc/protocol.txt
@@ -0,0 +1,163 @@
+Next File Transfer Protocol
+===========================
+
+Introduction
+------------
+
+Next File Transfer uses a simple protocol where a 2 character code defines
+a message type. 
+
+The following are standard compents of a message:
+
+    +------------+------------------------------------------------------+
+    | <NNNNN>    | 5 ASCII digits making up a zero-padded number        |
+    +------------+------------------------------------------------------+
+    | <N bytes>  | A stream of N bytes                                  |
+    +------------+------------------------------------------------------+
+
+
+Put File
+--------
+
+The format of the message from the client is:
+
+    +------------+------------------------------------------------------+
+    | PF         | Put file command                                     |
+    +------------+------------------------------------------------------+
+    | <NNNNN>    | Length of filename                                   |
+    +------------+------------------------------------------------------+
+    | <N bytes>  | The filename                                         |
+    +------------+------------------------------------------------------+
+    | <NNNNN>    | Length of the data for the file                      |
+    +------------+------------------------------------------------------+
+    | <N bytes>  | The data                                             |
+    +------------+------------------------------------------------------+
+
+The server responds with either:
+
+    +------------+------------------------------------------------------+
+    | OK         | The command completed OK                             |
+    +------------+------------------------------------------------------+
+
+or:
+
+    +------------+------------------------------------------------------+
+    | !E         | There was an error writing the file                  |
+    +------------+------------------------------------------------------+
+
+
+Get File
+--------
+
+The format of the message from the client is:
+
+    +------------+------------------------------------------------------+
+    | GF         | Get file command                                     |
+    +------------+------------------------------------------------------+
+    | <NNNNN>    | Length of filename                                   |
+    +------------+------------------------------------------------------+
+    | <N bytes>  | The filename                                         |
+    +------------+------------------------------------------------------+
+
+The server responds with either:
+
+    +------------+------------------------------------------------------+
+    | OK         | The command completed OK.  The file contents will    |
+    |            | follow.                                              |
+    +------------+------------------------------------------------------+
+    | <NNNNN>    | Length of the following data                         |
+    +------------+------------------------------------------------------+
+    | <N bytes>  | The data from from the file                          |
+    +------------+------------------------------------------------------+
+
+or:
+
+    +------------+------------------------------------------------------+
+    | !E         | There was an error reading the file                  |
+    +------------+------------------------------------------------------+
+
+
+Change Directory
+----------------
+
+The format of the message from the client is:
+
+    +------------+------------------------------------------------------+
+    | CD         | Change directory command                             |
+    +------------+------------------------------------------------------+
+    | <NNNNN>    | Length of pathname                                   |
+    +------------+------------------------------------------------------+
+    | <N bytes>  | The pathname                                         |
+    +------------+------------------------------------------------------+
+
+The server responds with either:
+
+    +------------+------------------------------------------------------+
+    | OK         | The command completed OK                             |
+    +------------+------------------------------------------------------+
+
+or:
+
+    +------------+------------------------------------------------------+
+    | !E         | There was an error changing to the directory         |
+    +------------+------------------------------------------------------+
+
+
+Create Directory
+----------------
+
+The format of the message from the client is:
+
+    +------------+------------------------------------------------------+
+    | MD         | Create directory command                             |
+    +------------+------------------------------------------------------+
+    | <NNNNN>    | Length of pathname                                   |
+    +------------+------------------------------------------------------+
+    | <N bytes>  | The pathname                                         |
+    +------------+------------------------------------------------------+
+
+The server responds with either:
+
+    +------------+------------------------------------------------------+
+    | OK         | The command completed OK                             |
+    +------------+------------------------------------------------------+
+
+or:
+
+    +------------+------------------------------------------------------+
+    | !E         | There was an error creating the directory            |
+    +------------+------------------------------------------------------+
+
+
+List Files
+----------
+
+The format of the message from the client is:
+
+    +------------+------------------------------------------------------+
+    | LS         | List files command                                   |
+    +------------+------------------------------------------------------+
+
+The server responds with either:
+
+    +------------+------------------------------------------------------+
+    | OK         | The command completed OK                             |
+    +------------+------------------------------------------------------+
+    | <NNNNN>    | The number of filenames                              |
+    +------------+------------------------------------------------------+
+    | <NNNNN>    | Length of filename 1                                 |
+    +------------+------------------------------------------------------+
+    | <N bytes>  | Filename 1                                           |
+    +------------+------------------------------------------------------+
+    ... above 2 fields repeated ...
+    +------------+------------------------------------------------------+
+    | <NNNNN>    | Length of filename N                                 |
+    +------------+------------------------------------------------------+
+    | <N bytes>  | Filename N                                           |
+    +------------+------------------------------------------------------+
+
+or:
+
+    +------------+------------------------------------------------------+
+    | !E         | There was an error reading the directory             |
+    +------------+------------------------------------------------------+