diff --git a/components/compiler/generator.cpp b/components/compiler/generator.cpp
index 3d3b21d65..ee9876a14 100644
--- a/components/compiler/generator.cpp
+++ b/components/compiler/generator.cpp
@@ -125,6 +125,11 @@ namespace
         code.push_back (Compiler::Generator::segment3 (0, buttons));
     }
 
+    void opReport (Compiler::Generator::CodeContainer& code)
+    {
+        code.push_back (Compiler::Generator::segment5 (58));
+    }
+
     void opFetchLocalShort (Compiler::Generator::CodeContainer& code)
     {
         code.push_back (Compiler::Generator::segment5 (21));
@@ -516,6 +521,14 @@ namespace Compiler
             opMessageBox (code, buttons);
         }
 
+        void report (CodeContainer& code, Literals& literals, const std::string& message)
+        {
+            int index = literals.addString (message);
+
+            opPushInt (code, index);
+            opReport (code);
+        }
+
         void fetchLocal (CodeContainer& code, char localType, int localIndex)
         {
             opPushInt (code, localIndex);
diff --git a/components/compiler/generator.hpp b/components/compiler/generator.hpp
index 5671949f2..fd1f954ca 100644
--- a/components/compiler/generator.hpp
+++ b/components/compiler/generator.hpp
@@ -81,6 +81,8 @@ namespace Compiler
         void message (CodeContainer& code, Literals& literals, const std::string& message,
             int buttons);
 
+        void report (CodeContainer& code, Literals& literals, const std::string& message);
+
         void fetchLocal (CodeContainer& code, char localType, int localIndex);
 
         void jump (CodeContainer& code, int offset);
diff --git a/components/compiler/lineparser.cpp b/components/compiler/lineparser.cpp
index 5462f7788..834cd27b4 100644
--- a/components/compiler/lineparser.cpp
+++ b/components/compiler/lineparser.cpp
@@ -30,12 +30,12 @@ namespace Compiler
         {
             case 'l':
 
-                Generator::message (mCode, mLiterals, "%g", 0);
+                Generator::report (mCode, mLiterals, "%g");
                 break;
 
             case 'f':
 
-                Generator::message (mCode, mLiterals, "%f", 0);
+                Generator::report (mCode, mLiterals, "%f");
                 break;
 
             default:
diff --git a/components/interpreter/docs/vmformat.txt b/components/interpreter/docs/vmformat.txt
index 6619fc30a..3e513aa44 100644
--- a/components/interpreter/docs/vmformat.txt
+++ b/components/interpreter/docs/vmformat.txt
@@ -117,5 +117,9 @@ op  55: explicit reference = stack[0]; pop; disable explicit reference
 op  56: explicit reference = stack[0]; pop; push 1, if explicit reference is disabled, 0 else
 op  57: explicit reference = stack[0]; pop;
         replace stack[0] with distance between explicit reference and a reference of ID stack[0]
-opcodes 58-33554431 unused
+op  58: report string literal index in stack[0];
+         additional arguments (if any) in stack[n]..stack[1];
+         n is determined according to the message string
+         all arguments are removed from stack
+opcodes 59-33554431 unused
 opcodes 33554432-67108863 reserved for extensions
diff --git a/components/interpreter/installopcodes.cpp b/components/interpreter/installopcodes.cpp
index f383ff47c..556477af2 100644
--- a/components/interpreter/installopcodes.cpp
+++ b/components/interpreter/installopcodes.cpp
@@ -95,6 +95,7 @@ namespace Interpreter
         interpreter.installSegment5 (54, new OpEnableExplicit);
         interpreter.installSegment5 (55, new OpDisableExplicit);
         interpreter.installSegment5 (56, new OpGetDisabledExplicit);
+        interpreter.installSegment5 (58, new OpReport);
 
         // script control
         interpreter.installSegment5 (46, new OpScriptRunning);
@@ -106,4 +107,3 @@ namespace Interpreter
         interpreter.installSegment5 (57, new OpGetDistanceExplicit);
     }
 }
-
diff --git a/components/interpreter/miscopcodes.hpp b/components/interpreter/miscopcodes.hpp
index fbee0aa26..37c38fc30 100644
--- a/components/interpreter/miscopcodes.hpp
+++ b/components/interpreter/miscopcodes.hpp
@@ -13,6 +13,66 @@
 
 namespace Interpreter
 {
+    inline std::string formatMessage (const std::string& message, Runtime& runtime)
+    {
+        std::string formattedMessage;
+
+        for (std::size_t i=0; i<message.size(); ++i)
+        {
+            char c = message[i];
+
+            if (c!='%')
+                formattedMessage += c;
+            else
+            {
+                ++i;
+                if (i<message.size())
+                {
+                    c = message[i];
+
+                    if (c=='S' || c=='s')
+                    {
+                        int index = runtime[0].mInteger;
+                        runtime.pop();
+                        formattedMessage += runtime.getStringLiteral (index);
+                    }
+                    else if (c=='g' || c=='G')
+                    {
+                        Type_Integer value = runtime[0].mInteger;
+                        runtime.pop();
+
+                        std::ostringstream out;
+                        out << value;
+                        formattedMessage += out.str();
+                    }
+                    else if (c=='f' || c=='F' || c=='.')
+                    {
+                        while (c!='f' && i<message.size())
+                        {
+                            ++i;
+                        }
+
+                        float value = runtime[0].mFloat;
+                        runtime.pop();
+
+                        std::ostringstream out;
+                        out << value;
+                        formattedMessage += out.str();
+                    }
+                    else if (c=='%')
+                        formattedMessage += "%";
+                    else
+                    {
+                        formattedMessage += "%";
+                        formattedMessage += c;
+                    }
+                }
+            }
+        }
+
+        return formattedMessage;
+    }
+
     class OpMessageBox : public Opcode1
     {
         public:
@@ -36,63 +96,28 @@ namespace Interpreter
 
                 std::reverse (buttons.begin(), buttons.end());
 
-                // additional parameters
-                std::string formattedMessage;
+                // handle additional parameters
+                std::string formattedMessage = formatMessage (message, runtime);
 
-                for (std::size_t i=0; i<message.size(); ++i)
-                {
-                    char c = message[i];
+                runtime.getContext().messageBox (formattedMessage, buttons);
+            }
+    };
 
-                    if (c!='%')
-                        formattedMessage += c;
-                    else
-                    {
-                        ++i;
-                        if (i<message.size())
-                        {
-                            c = message[i];
-
-                            if (c=='S' || c=='s')
-                            {
-                                int index = runtime[0].mInteger;
-                                runtime.pop();
-                                formattedMessage += runtime.getStringLiteral (index);
-                            }
-                            else if (c=='g' || c=='G')
-                            {
-                                Type_Integer value = runtime[0].mInteger;
-                                runtime.pop();
-
-                                std::ostringstream out;
-                                out << value;
-                                formattedMessage += out.str();
-                            }
-                            else if (c=='f' || c=='F' || c=='.')
-                            {
-                                while (c!='f' && i<message.size())
-                                {
-                                    ++i;
-                                }
-
-                                float value = runtime[0].mFloat;
-                                runtime.pop();
-
-                                std::ostringstream out;
-                                out << value;
-                                formattedMessage += out.str();
-                            }
-                            else if (c=='%')
-                                formattedMessage += "%";
-                            else
-                            {
-                                formattedMessage += "%";
-                                formattedMessage += c;
-                            }
-                        }
-                    }
-                }
+    class OpReport : public Opcode0
+    {
+        public:
 
-                runtime.getContext().messageBox (formattedMessage, buttons);
+            virtual void execute (Runtime& runtime)
+            {
+                // message
+                int index = runtime[0].mInteger;
+                runtime.pop();
+                std::string message = runtime.getStringLiteral (index);
+
+                // handle additional parameters
+                std::string formattedMessage = formatMessage (message, runtime);
+
+                runtime.getContext().report (formattedMessage);
             }
     };