diff --git a/CHANGES.txt b/CHANGES.txt
deleted file mode 100644
index 072a927..0000000
--- a/CHANGES.txt
+++ /dev/null
@@ -1,4 +0,0 @@
-- telnet now supports vt100 emulation (thanks to Lars Stollenwerk)
-- gopher: fixed bug preventing connection to jamtronix.com
-
-
diff --git a/client/inc/version.i b/client/inc/version.i
index 36b6297..6b1eae0 100644
--- a/client/inc/version.i
+++ b/client/inc/version.i
@@ -1 +1 @@
-.byte "1.0.25"
+.byte "1.0.27"
diff --git a/client/ip65/xmodem.s b/client/ip65/xmodem.s
index afbd3f4..c2c67ae 100644
--- a/client/ip65/xmodem.s
+++ b/client/ip65/xmodem.s
@@ -102,13 +102,13 @@ getc_timeout_seconds: .res 1
 buffer_length: .res 2
 
 	.code
-
-xmodem_send:
+  
 ;send a file via XMODEM (checksum mode only, not CRC)
 ;assumes that a tcp connection has already been set up, and that the other end is waiting to start receiving
 ;inputs: AX points to routine to call once for each byte in file to send (e.g. save to disk, print to screen, whatever) - byte will be in A, carry flag set means EOF
 ; xmodem_iac_escape should be set to non-zero if the remote end escapes $FF bytes (i.e. if it is a real telnet server)
 ;outputs: none
+xmodem_send:
   stax get_byte+1
   jsr xmodem_transfer_setup
   lda #0
@@ -262,13 +262,13 @@ xmodem_transfer_setup:
   stax tcp_callback 
   rts
   
-xmodem_receive:
+
 ;recieve a file via XMODEM (checksum mode only, not CRC)
 ;assumes that a tcp connection has already been set up, and that the other end is waiting to start sending
 ;inputs: AX points to routine to call once for each byte in downloaded file (e.g. save to disk, print to screen, whatever) - byte will be in A
 ; xmodem_iac_escape should be set to non-zero if the remote end escapes $FF bytes (i.e. if it is a real telnet server)
 ;outputs: none
-
+xmodem_receive:
   
   stax got_byte+1
   jsr xmodem_transfer_setup
@@ -294,6 +294,7 @@ xmodem_receive:
   bcc @got_block_start
   lda user_abort
   beq @no_user_abort
+  sec
   jmp xmodem_transfer_exit
 @no_user_abort:  
   jsr send_nak
@@ -314,18 +315,32 @@ xmodem_receive:
 @got_block_start:
   cmp #EOT
   bne :+
+  ldax #got_eot
+  jsr print_ascii_as_native
+
   jsr send_ack
   clc
   jmp xmodem_transfer_exit
 :  
+    
+  cmp #$81 ;jamming signal BBS seems to use $81 not $01 as SOH
+  beq @got_soh
   cmp #SOH
-  bne @wait_for_block_start
+  beq @got_soh
+  jsr print_hex
+  lda #'!'  ;we got an unexpected character
+  jsr print_a
+  jsr print_a
 
+  jmp @wait_for_block_start
+@got_soh:
   ;now get block number
   lda #XMODEM_TIMEOUT_SECONDS
   jsr getc
   bcc :+
   jsr send_nak
+  lda #'.'
+  jmp print_a
   jmp @wait_for_block_start
 :
   sta actual_block_number
@@ -334,12 +349,18 @@ xmodem_receive:
   lda #XMODEM_TIMEOUT_SECONDS
   jsr getc
   bcc :+
+  lda #'.'
+  jmp print_a
   jsr send_nak
   jmp @wait_for_block_start
 :
   adc actual_block_number
   cmp #$ff
-  bne @wait_for_block_start
+  beq :+
+  lda #'?'
+  jsr print_a  
+  jmp @wait_for_block_start
+:  
   ldax #receiving
   jsr print_ascii_as_native
 
@@ -527,6 +548,7 @@ block_number_msg: .byte " block $",0
 expecting: .byte "expecting",0
 receiving: .byte "receiving",0
 sending: .byte "sending",0
+got_eot: .byte "end of transmission",10,0
 
 bad_block_number: .byte "bad block number",0
 checksum_msg: .byte "checksum $",0
diff --git a/dist/make_dist.rb b/dist/make_dist.rb
index 9e24010..a2d0a0d 100644
--- a/dist/make_dist.rb
+++ b/dist/make_dist.rb
@@ -26,8 +26,12 @@ end
 ["client/carts/kipperkart_rr.bin","c64/"],
 ["client/carts/kipperterm.bin","c64/"],
 ["client/carts/kipperterm_rr.bin","c64/"],
+["client/carts/kipperterm.prg","c64/"],
+["client/carts/kippergo.bin","c64/"],
+["client/carts/kippergo_rr.bin","c64/"],
+["client/carts/kippergo.prg","c64/"],
 ["client/carts/netboot.bin","c64/"],
-["client/nb65/d64_upload.prg","boot/"],
+#["client/nb65/d64_upload.prg","boot/"],
 ["client/examples/upnatom.prg","boot/"],
 ["server/lib/tftp_server.rb","lib"],
 ["server/lib/file_list.rb","lib"],
@@ -41,7 +45,7 @@ end
 ["doc/README.C64.html","doc"],
 ["doc/CONTRIBUTORS.txt","doc/"],
 ["doc/LICENSE.txt","doc/"],
-
+["doc/CHANGES.txt","doc/"],
 ["doc/kipper_api_technical_reference.doc","doc"],
 ["client/inc/common.i","inc"],
 ["client/inc/kipper_constants.i","inc"],
diff --git a/dist/version_number.txt b/dist/version_number.txt
index 855f702..3f11ef6 100644
--- a/dist/version_number.txt
+++ b/dist/version_number.txt
@@ -1 +1 @@
-1.0.25
\ No newline at end of file
+1.0.27
\ No newline at end of file
diff --git a/doc/CHANGES.txt b/doc/CHANGES.txt
new file mode 100644
index 0000000..e102ae9
--- /dev/null
+++ b/doc/CHANGES.txt
@@ -0,0 +1,25 @@
+v1.0.27
+- ADD: change border colour to indicate telnet connect/disconnect
+
+v1.0.26
+- FIX: telnet often failed to notice disconnect by remote server
+
+v1.0.25
+- FIX: vt100 emulation was leaving a cursor after a "clear to end of line" command ( ]J ) 
+- ADD: XMODEM upload support
+- CHANGE: removed 'line mode' from telnet
+
+v1.0.24
+- CHANGE: split KipperTerm (telnet + gopher) into KipperTerm (enhanced telnet) and KipperGo (basic telnet + gopher)
+- ADD: XMODEM download support for KipperTerm
+- FIX: tell remote server screen size (40x25)
+- FIX: vt100 no longer does line wrap & scroll when writing to bottom right hand corner
+- FIX: telnet sessions now send 'keep alive' (stops my broadband router from losing NAT state)
+- FIX: tcp was sending wrong seq number when ACKing inbound data just after sending data out
+- FIX: telnet packets > 256 bytes not completely processed
+- ADD: can change default disk drive
+
+v1.0.23
+- telnet now supports vt100 emulation (thanks to Lars Stollenwerk)
+- gopher: fixed bug preventing connection to jamtronix.com
+
diff --git a/doc/README.C64.html b/doc/README.C64.html
index 976748d..98a018b 100644
--- a/doc/README.C64.html
+++ b/doc/README.C64.html
@@ -7,18 +7,19 @@ memory location as BASIC.
 Within the major flavours, there are also variations in media - the majority of code is identical between the different media but there are different headers etc. The supported media are:
 <p>
 <ul>
-	<li> A prg that can be loaded from disk </li>
-	<li>'ordinary' cartridge images (that can be burned into an eeprom on e.g. a 64NIC+ card)</li>
+	<li> A program that can be loaded from disk (filename will end with .prg)</li>
+	<li>'ordinary' cartridge images (that can be burned into an eeprom on e.g. a 64NIC+ card) (filename will end with .bin)</li>
   <li>'Retro Replay' cartridge images - these are actually 'ordinary' cartridge images that have been converted into a form suitable for use in a Retro Replay using Doc Bacardi's 
-  <a href=http://freenet-homepage.de/LittleDreamLand/CRT8040.html>CRT8040</a> tool</li>
+  <a href=http://freenet-homepage.de/LittleDreamLand/CRT8040.html>CRT8040</a> tool (filename will end with _rr.bin)</li>
 </ul>
 
 <table>
-<tr><th>filename</th><th>flavour</th><th>media</th><th>command to use in VICE</th></tr>
-<tr><td>netboot.bin</td><td>UDP  only (+ BASIC)</td><td>standard 8KB cart</td><td>x64.exe -cart8 netboot.bin</td></tr>
-<tr><td>kipperkart.bin</td><td>UDP/TCP (no BASIC)</td><td>standard 16KB cart</td><td>x64.exe -cart16 kipperkart.bin</td></tr>
-<tr><td>kipperterm.bin</td><td>telnet &amp; gopher client</td><td>standard 16KB cart</td><td>x64.exe -cart16 kipperterm.bin</td></tr>
-<tr><td>kipperkart_rr.bin</td><td>UDP/TCP (no BASIC)</td><td>Retro Replay cart image</td><td>x64.exe -cartrr kipperkart_rr.bin</td></tr>
+<tr><th>filename</th><th>flavour</th><th>cartidge size</th></tr>
+<tr><td>netboot.bin</td><td>UDP  only (+ BASIC)</td><td>8KB cart</td></tr>
+<tr><td>kipperkart.bin</td><td>UDP/TCP (no BASIC)</td><td>16KB cart</td></tr>
+<tr><td>kippergo.bin</td><td>basic telnet &amp; gopher client</td><td>16KB cart</td></tr>
+<tr><td>kipperterm.bin</td><td>enhanced telnet</td><td>16KB cart</td></tr>
+
 </table>
 
 
@@ -54,13 +55,12 @@ Once the 16KB cartridge image has initialised the IP stack, it will look for a f
 bytes of the file) and executed. NB - since BASIC is not available only 100% Machine Language programs can be executed, although if there is a BASIC stub consisting of a single line that does a SYS 
 call, the target of the SYS call will be used as the address to start execution from.
 
-<h2>KIPPERTERM cart</h2>
+<h2>KIPPERGO cart</h2>
 <ul>
 	<li>F1 : TELNET. You will be prompted to enter a hostname, a port number, and a connection mode. Connection mode is either 
   <ul>
   <li>VT100 -  keypresses are converted to ASCII before  being sent out, and incoming data is converted to PETSCII before being displayed. Many common VT100 escape codes are interpreted, and keystrokes are sent a character at a time.</li>
   <li>PETSCII - no translation is done on data coming in or out. This mode is suitable for connecting to PETSCII BBSs</li>
-  <li>Line -  Data is converted to/from ASCII, but each line of input can be edited and is not sent until the RETURN key is pressed.</li>
   </ul>
   Once a connection is made, it can be terminated by hitting RUN/STOP
   <li>F3 : GOPHER. You will be prompted to enter the hostname (only - no port number can be specified) of a gopher server, and the gopher client will be launched connecting to the specified server.
@@ -83,6 +83,26 @@ starting with a highlighted letter (e.g. the first link on a page will have an i
 the 2nd link on a page will have an inverse "B" next to it etc). Press the letter assigned to the link
 to load up that resource.
 
+<h2>KIPPERTERM cart</h2>
+<ul>
+	<li>F1 : TELNET. You will be prompted to enter a hostname, a port number, and a connection mode. Connection mode is either 
+  <ul>
+  <li>VT100 -  keypresses are converted to ASCII before  being sent out, and incoming data is converted to PETSCII before being displayed. Many common VT100 escape codes are interpreted, and keystrokes are sent a character at a time.</li>
+  <li>PETSCII - no translation is done on data coming in or out. This mode is suitable for connecting to PETSCII BBSs</li>
+  </ul>
+</ul>  
+Once a connection is made, it can be terminated by hitting RUN/STOP
+<h3>File Transfer</h3>  
+While connected, you can hit F1 to bring up a file transfer menu. This menu presents the following options:
+<ul>
+	<li>F1 : D/L File (XMODEM). Select this option after you have started the file download process on the remote server. You will be prompted for a filename for the file to be saved as after the download has completed.
+  <li>F3 : U/L File (XMODEM). Select this option after you have started the file upload process on the remote server. You will be given a menu of files on the local disk to transfer.
+  <li>F7 : Return. Selecting this option will restore the screen return you to your connection
+</ul>
+
+
+
+
 
 <h2>IP CONFIGURATION</h2>
 There is a script in the "bin" folder called "set_ip_config.rb" that can be used to modify the MAC address and IP config details in the cart image before
@@ -120,6 +140,7 @@ Most network functions will return an 8 bit error code if things go wrong.
 <tr><td>$88</td><td>NO SUCH LISTENER</td></tr>
 <tr><td>$89</td><td>CONNECTION RESET BY PEER</td></tr>
 <tr><td>$8A</td><td>CONNECTION CLOSED</td></tr>
+<tr><td>$8B</td><td>TOO MANY ERRORS</td></tr>
 <tr><td>$90</td><td>FILE ACCESS FAILURE</td></tr>
 <tr><td>$A0</td><td>MALFORMED URL</td></tr>
 <tr><td>$A1</td><td>DNS LOOKUP FAILED</td></tr>
@@ -143,8 +164,8 @@ NETBOOT65 is licensed under the same terms as IP65, the <a href=http://www.mozil
 Package is maintained by Jonno Downes - jonno@jamtronix.com
 <h3>Contributors</h3>
 <ul>
-<li>Jonno Downes - current maintainer of ip65, layers 4-7 (dhcp,dns,tcp,telnet, http, gopher)</li>
+<li>Jonno Downes - current maintainer of ip65, original developer of layers 4-7 (dhcp,dns,tcp,telnet, http, gopher)</li>
 <li>Glenn Holmer - icmp enhancements, bugfixes</li>
-<li>Per Olofsson - initial creator of ip65, layers 1-3 (eth,arp,ip,icmp,udp)</li>
+<li>Per Olofsson - initial creator of ip65, original developer of layers 1-3 (eth,arp,ip,icmp,udp)</li>
 <li>Lars Stollenwerk - vt100 emulation </li>
 </ul>
\ No newline at end of file
diff --git a/doc/ip65.html b/doc/ip65.html
index e9f04da..c83fabc 100644
--- a/doc/ip65.html
+++ b/doc/ip65.html
@@ -162,6 +162,7 @@ IP65 is a TCP/IP stack for 6502 based computers.
 <pre>
   Release	Maintainer	Changes
   -------	----------	-------
+  2009-12-23	Jonno Downes	TCP and telnet bugfixes, vt100 emulation, XMODEM support
   2009-10-31	Jonno Downes	Added Web Application Server functions
   2009-08-02	Jonno Downes	More TCP functionality, includes telnet
   2009-07-12	Jonno Downes	Initial TCP implementation (use -DTCP to include)