Added tryWrite() as a native Netscript function. Updated documentation to reflect the fact that port handles no longer work in Netscript 1.0

src/Constants.js

@@ -493,10 +493,12 @@ let CONSTANTS = {
                                "World Stock Exchange account and TIX API Access<br>",
 
     LatestUpdate:
-    "v0.40.3<br>" +
-    "* b1t_flum3.exe program can now be created immediately at Hacking level 1 (rather than hacking level 5)<br>"  +
-    "* UI improvements for the character overview panel and the left-hand menu (by mat-jaworski)<br>" +
-    "* Improved the introductory tutorial<br>"
+    `v0.40.3<br>
+     * b1t_flum3.exe program can now be created immediately at Hacking level 1 (rather than hacking level 5)
+     * UI improvements for the character overview panel and the left-hand menu (by mat-jaworski)
+     * Updated documentation to reflect the fact that Netscript port handles (getPortHandle()) only works in NetscriptJS (2.0), NOT Netscript 1.0
+     * Added tryWrite() Netscript function
+     * Improved the introductory tutorial`
 
 
 }

src/InteractiveTutorial.js

@@ -268,7 +268,7 @@ function iTutorialEvaluateStep() {
                          "written in the Netscript language, a programming language created for " +
                          "this game. <strong style='background-color:#444;'>There are details about the Netscript language in the documentation, which " +
                          "can be accessed in the 'Tutorial' tab on the main navigation menu. I highly suggest you check " +
-                         "it out after this tutorial. </strong> For now, just copy " +
+                         "it out after this tutorial.</strong> For now, just copy " +
                          "and paste the following code into the script editor: <br><br>" +
                          "while(true) { <br>" +
                          "&nbsp;&nbsp;hack('foodnstuff'); <br>" +

src/NetscriptFunctions.js

@@ -1847,6 +1847,25 @@ function NetscriptFunctions(workerScript) {
                 throw makeRuntimeRejectMsg(workerScript, "Invalid argument passed in for write: " + port);
             }
         },
+        tryWrite : function(port, data="") {
+            if (workerScript.checkingRam) {
+                return updateStaticRam("tryWrite", CONSTANTS.ScriptReadWriteRamCost);
+            }
+            updateDynamicRam("tryWrite", CONSTANTS.ScriptReadWriteRamCost);
+            if (!isNaN(port)) {
+                port = Math.round(port);
+                if (port < 1 || port > CONSTANTS.NumNetscriptPorts) {
+                    throw makeRuntimeRejectMsg(workerScript, "ERROR: tryWrite() called on invalid port: " + port + ". Only ports 1-" + CONSTANTS.NumNetscriptPorts + " are valid.");
+                }
+                var port = NetscriptPorts[port-1];
+                if (port == null || !(port instanceof NetscriptPort)) {
+                    throw makeRuntimeRejectMsg(workerScript, "Could not find port: " + port + ". This is a bug contact the game developer");
+                }
+                return port.tryWrite(data);
+            } else {
+                throw makeRuntimeRejectMsg(workerScript, "Invalid argument passed in for tryWrite: " + port);
+            }
+        },
         read : function(port) {
             if (workerScript.checkingRam) {
                 return updateStaticRam("read", CONSTANTS.ScriptReadWriteRamCost);