Add jsexec support. This is likely problematical on Win32, since you can't

select() a file on that OS.  Also, opening the "CON" file may not do what
I expect.

exec/dorkit/jsexec_console.js

+/*
+ * Clears the current screen to black and moves to location 1,1
+ * sets the current attribute to 7
+ */
+
+dk.console.remote_io = {
+	clear:function() {
+		this.attr.value=7;
+		this.print("\x0c");
+	},
+
+	/*
+	 * Clears to end of line.
+	 * Not available witout ANSI (???)
+	 */
+	cleareol:function() {
+		if(dk.console.ansi)
+			this.print('\x1b[K');
+	},
+
+	/*
+	 * Moves the cursor to the specified position.
+	 * returns false on error.
+	 * Not available without ANSI
+	 */
+	gotoxy:function(x,y) {
+		if(dk.console.ansi)
+			this.print(format("\x1b[%u;%uH", y, x));
+	},
+
+	/*
+	 * Writes a string unmodified.
+	 */
+	print:function(string) {
+		write(string);
+	},
+};
+
+var input_queue = load(true, "jsexec_input.js");
+js.on_exit("input_queue.write(''); input_queue.poll(0x7fffffff);");

exec/dorkit/jsexec_input.js

+js.load_path_list.unshift(js.exec_dir+"/dorkit/");
+js.load_path_list.unshift(system.exec_dir+"/dorkit/");
+load('ansi_input.js');
+var q = new Queue("dorkit_input");
+var k;
+var f;
+if(system.platform == 'Win32') {
+	f = new File('CON');
+	if(!f.open('rb', false, 0))
+		throw("Unable to open CON device!");
+}
+else {
+	f = new File('/dev/stdin');
+	if(!f.open('rb', false, 0))
+		throw("Unable to open /dev/stdin!");
+}
+
+while(!js.terminated) {
+	if (parent_queue.poll(0))
+		break;
+	// Can't select() files on Win32.
+	if(system.platform == 'Win32') {
+		k = f.read(1);
+	}
+	else {
+		k = undefined;
+		if (socket_select([f.descriptor], 0.1).length == 1)
+			k = f.read(1);
+	}
+	if (k != undefined && k.length)
+		ai.add(k);
+}