diff --git a/SMILEBASIC/SMILEBASIC.visualdproj b/SMILEBASIC/SMILEBASIC.visualdproj
index 8481e6a..9519377 100644
--- a/SMILEBASIC/SMILEBASIC.visualdproj
+++ b/SMILEBASIC/SMILEBASIC.visualdproj
@@ -72,7 +72,7 @@
   <debuglevel>0</debuglevel>
   <debugids />
   <versionlevel>0</versionlevel>
-  <versionids>NDirectMode</versionids>
+  <versionids />
   <dump_source>0</dump_source>
   <mapverbosity>0</mapverbosity>
   <createImplib>0</createImplib>
diff --git a/SMILEBASIC/builtinfunctions.d b/SMILEBASIC/builtinfunctions.d
index 85844bc..75afbf6 100644
--- a/SMILEBASIC/builtinfunctions.d
+++ b/SMILEBASIC/builtinfunctions.d
@@ -1381,6 +1381,24 @@ class BuiltinFunction
         flag.setDefaultValue(0);
         throw new IllegalFunctionCall("NOTIMPL:LOAD");
     }
+    static void PROJECT(PetitComputer p, wstring name)
+    {
+        //DirectMode only
+        if(p.isRunningDirectMode)
+        {
+            if(!p.project.isValidProjectName(name))
+            {
+                throw new IllegalFunctionCall("PROJECT");
+            }
+            p.currentProject = name;
+            return;
+        }
+        throw new CantUseInProgram("PROJECT");
+    }
+    static void PROJECT(PetitComputer p, out wstring name)
+    {
+        name = p.currentProject;
+    }
     //alias void function(PetitComputer, Value[], Value[]) BuiltinFunc;
     static BuiltinFunctions[wstring] builtinFunctions;
     static wstring getBasicName(BFD)(const wstring def)
@@ -1872,9 +1890,18 @@ template AddFuncArg(int L, int N, int M, int O, BFD, P...)
         }
         else static if(is(P[0] == wstring))
         {
-            enum add = 1;
-            enum outadd = 0;
-            const string arg = "arg[" ~ I.to!string ~ "].castString";
+            static if(storage & ParameterStorageClass.out_)
+            {
+                enum add = 0;
+                enum outadd = 1;
+                const string arg = "ret[" ~ O.to!string ~ "].stringValue";
+            }
+            else
+            {
+                enum add = 1;
+                enum outadd = 0;
+                const string arg = "arg[" ~ I.to!string ~ "].castString";
+            }
         }
         else static if(is(P[0] == DefaultValue!int))
         {
@@ -1995,6 +2022,10 @@ template OutArgsInit(BFD, int I = 0, int J = 0)
             {
                 enum ret2 = "ValueType.Void;";
             }
+            else static if(is(param[I] == wstring))
+            {
+                enum ret2 = "ValueType.String;";
+            }
             else
             {
                 static assert(false, "invalid type " ~ param[I].stringof); 
diff --git a/SMILEBASIC/error.d b/SMILEBASIC/error.d
index bc4eabe..42730de 100644
--- a/SMILEBASIC/error.d
+++ b/SMILEBASIC/error.d
@@ -114,4 +114,12 @@ class CantUseFromDirectMode : SmileBasicError
         super("Can't use from direct mode");
     }
 }
+class CantUseInProgram : SmileBasicError
+{
+    this(wstring func)
+    {
+        this.errnum = 44;
+        super("Can't use in program");
+    }
+}
 
diff --git a/SMILEBASIC/petitcomputer.d b/SMILEBASIC/petitcomputer.d
index bd5a59d..187f83c 100644
--- a/SMILEBASIC/petitcomputer.d
+++ b/SMILEBASIC/petitcomputer.d
@@ -1115,6 +1115,7 @@ class PetitComputer
         printConsole("OK\n");
     }
     Slot[] slot;
+    bool isRunningDirectMode = false;
     void run()
     {
         slot = new Slot[5];
@@ -1133,7 +1134,6 @@ class PetitComputer
         Parser parser;
         otya.smilebasic.vm.VM vm;
         bool directMode = false;
-        bool isRunningDirectMode = false;
         int oldpc;
         void runSlot(int lot)
         {