diff --git a/ueforth/arduino/arduino_server.fs b/ueforth/arduino/arduino_server.fs
index 1b2ebc3..5b66ae4 100644
--- a/ueforth/arduino/arduino_server.fs
+++ b/ueforth/arduino/arduino_server.fs
@@ -37,7 +37,11 @@ Upload File: <input id="filepick" type="file" name="files[]"></input><br/>
 <br/>
 <textarea id="output" readonly></textarea>
 <input id="prompt" type="prompt"></input><br/>
-<script>
+<script src="terminal1.js"></script>
+<script src="terminal2.js"></script>
+| s>z constant index-html
+
+r|
 var prompt = document.getElementById('prompt');
 var filepick = document.getElementById('filepick');
 var output = document.getElementById('output');
@@ -67,6 +71,9 @@ function ask(cmd, callback) {
     if (callback !== undefined) { callback(); }
   });
 }
+| s>z constant terminal1-js
+
+r|
 prompt.onkeyup = function(event) {
   if (event.keyCode === 13) {
     event.preventDefault();
@@ -93,7 +100,7 @@ window.onload = function() {
   prompt.focus();
 };
 </script>
-| s>z constant index-html
+| s>z constant terminal2-js
 
 variable webserver
 20000 constant out-size
@@ -106,6 +113,16 @@ create out-string out-size 1+ allot align
    200 z" text/html" index-html webserver @ WebServer.send
 ;
 
+: handle-terminal1
+   terminal1-js z>s nip webserver @ WebServer.setContentLength
+   200 z" text/html" terminal1-js webserver @ WebServer.send
+;
+
+: handle-terminal2
+   terminal2-js z>s nip webserver @ WebServer.setContentLength
+   200 z" text/html" terminal2-js webserver @ WebServer.send
+;
+
 : handle-input
    z" cmd" webserver @ WebServer.hasArg if
      z" cmd" webserver @ WebServer.arg input-stream >stream pause
@@ -122,8 +139,9 @@ create out-string out-size 1+ allot align
 
 : do-serve
    80 WebServer.new webserver !
-   z" /webui" ['] handle-index webserver @ WebServer.on
    z" /" ['] handle-index webserver @ WebServer.on
+   z" /terminal1.js" ['] handle-terminal1 webserver @ WebServer.on
+   z" /terminal2.js" ['] handle-terminal2 webserver @ WebServer.on
    z" /input" ['] handle-input webserver @ WebServer.on
    webserver @ WebServer.begin
    begin
diff --git a/ueforth/common/boot.fs b/ueforth/common/boot.fs
index 2ab194b..6f9a919 100644
--- a/ueforth/common/boot.fs
+++ b/ueforth/common/boot.fs
@@ -146,7 +146,7 @@ variable hld
 : #> ( w -- b u ) drop hld @ pad over - ;
 : str ( n -- b u ) dup >r abs <# #s r> sign #> ;
 : hex ( -- ) 16 base ! ;   : octal ( -- ) 8 base ! ;
-: decimal ( -- ) 10 base ! ;
+: decimal ( -- ) 10 base ! ;   : binary ( -- ) 2 base ! ;
 : u. ( u -- ) <# #s #> type space ;
 : . ( w -- ) base @ 10 xor if u. exit then str type space ;
 : ? ( a -- ) @ . ;