diff --git a/common/rfb/CMsgReaderV3.cxx b/common/rfb/CMsgReaderV3.cxx
new file mode 100644
index 0000000..d0cfc89
--- /dev/null
+++ b/common/rfb/CMsgReaderV3.cxx
@@ -0,0 +1,107 @@
+/* Copyright (C) 2002-2005 RealVNC Ltd.  All Rights Reserved.
+ * 
+ * This is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ * 
+ * This software is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License
+ * along with this software; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307,
+ * USA.
+ */
+#include <rfb/PixelFormat.h>
+#include <rfb/msgTypes.h>
+#include <rfb/Exception.h>
+#include <rdr/InStream.h>
+#include <rfb/CMsgReaderV3.h>
+#include <rfb/CMsgHandler.h>
+#include <rfb/util.h>
+
+using namespace rfb;
+
+CMsgReaderV3::CMsgReaderV3(CMsgHandler* handler, rdr::InStream* is)
+  : CMsgReader(handler, is), nUpdateRectsLeft(0)
+{
+}
+
+CMsgReaderV3::~CMsgReaderV3()
+{
+}
+
+void CMsgReaderV3::readServerInit()
+{
+  int width = is->readU16();
+  int height = is->readU16();
+  handler->setDesktopSize(width, height);
+  PixelFormat pf;
+  pf.read(is);
+  handler->setPixelFormat(pf);
+  CharArray name(is->readString());
+  handler->setName(name.buf);
+  handler->serverInit();
+}
+
+void CMsgReaderV3::readMsg()
+{
+  if (nUpdateRectsLeft == 0) {
+
+    int type = is->readU8();
+    switch (type) {
+    case msgTypeFramebufferUpdate:   readFramebufferUpdate(); break;
+    case msgTypeSetColourMapEntries: readSetColourMapEntries(); break;
+    case msgTypeBell:                readBell(); break;
+    case msgTypeServerCutText:       readServerCutText(); break;
+
+    case msgTypeFileListData:
+    case msgTypeFileDownloadData:
+    case msgTypeFileUploadCancel:
+    case msgTypeFileDownloadFailed:
+    case msgTypeFileDirSizeData:
+    case msgTypeFileLastRequestFailed:
+      handler->processFTMsg(type); break;
+
+    default:
+      fprintf(stderr, "unknown message type %d\n", type);
+      throw Exception("unknown message type");
+    }
+
+  } else {
+
+    int x = is->readU16();
+    int y = is->readU16();
+    int w = is->readU16();
+    int h = is->readU16();
+    unsigned int encoding = is->readU32();
+
+    switch (encoding) {
+    case pseudoEncodingDesktopSize:
+      handler->setDesktopSize(w, h);
+      break;
+    case pseudoEncodingCursor:
+      readSetCursor(w, h, Point(x,y));
+      break;
+    case pseudoEncodingLastRect:
+      nUpdateRectsLeft = 1;     // this rectangle is the last one
+      break;
+    default:
+      readRect(Rect(x, y, x+w, y+h), encoding);
+      break;
+    };
+
+    nUpdateRectsLeft--;
+    if (nUpdateRectsLeft == 0) handler->framebufferUpdateEnd();
+  }
+}
+
+void CMsgReaderV3::readFramebufferUpdate()
+{
+  is->skip(1);
+  nUpdateRectsLeft = is->readU16();
+  handler->framebufferUpdateStart();
+}