diff --git a/SMILEBASIC/builtinfunctions.d b/SMILEBASIC/builtinfunctions.d
index 6da8dd2..4ee775f 100644
--- a/SMILEBASIC/builtinfunctions.d
+++ b/SMILEBASIC/builtinfunctions.d
@@ -579,7 +579,15 @@ class BuiltinFunction
         {
             if (size > ary.length)
             {
-                ary.integerArray.length = size;
+                if (ary.dimCount != 2)
+                {
+                    ary.integerArray.length = size;
+                }
+                else
+                {
+                    ary.integerArray.dim[0..2] = [w, h];
+                    ary.integerArray.array = new int[size];
+                }
             }
             p.graphic.gsave(savepage, x, y, w, h, ary.integerArray.array, flag);
         }
@@ -587,7 +595,15 @@ class BuiltinFunction
         {
             if (size > ary.length)
             {
-                ary.doubleArray.length = size;
+                if (ary.dimCount != 2)
+                {
+                    ary.doubleArray.length = size;
+                }
+                else
+                {
+                    ary.doubleArray.dim[0..2] = [w, h];
+                    ary.doubleArray.array = new double[size];
+                }
             }
             p.graphic.gsave(savepage, x, y, w, h, ary.doubleArray.array, flag);
         }   
diff --git a/SMILEBASIC/error.d b/SMILEBASIC/error.d
index 8873abc..a9ab4ec 100644
--- a/SMILEBASIC/error.d
+++ b/SMILEBASIC/error.d
@@ -226,6 +226,14 @@ class IllegalSymbolString : SmileBasicError
         super("Illegal symbol string");
     }
 }
+class IllegalFileFormat : SmileBasicError
+{
+    this(string func)
+    {
+        this.errnum = 35;
+        super("Illegal file format(" ~ func ~ ")");
+    }
+}
 class UsePRGEDITBeforeAnyPRGFunction : SmileBasicError
 {
     this(string func)
diff --git a/SMILEBASIC/graphic.d b/SMILEBASIC/graphic.d
index 4bea14c..57886d2 100644
--- a/SMILEBASIC/graphic.d
+++ b/SMILEBASIC/graphic.d
@@ -1206,7 +1206,13 @@ class Graphic2 : Graphic
     {
         int arrayH = h, arrayW = w;
         int sx, sy;
-        int* buffer = cast(int*)GRP[savepage].surface.pixels;
+        int* buffer;
+        if (savepage == -1)
+        {
+            buffer = cast(int*)petitcom.console.GRPF.surface.pixels;
+        }
+        else
+            buffer = cast(int*)GRP[savepage].surface.pixels;
         for (int iy = sy; iy < h; iy++)
         {
             for (int ix = sx; ix < w; ix++)
diff --git a/SMILEBASIC/project.d b/SMILEBASIC/project.d
index 54f2037..4a619aa 100644
--- a/SMILEBASIC/project.d
+++ b/SMILEBASIC/project.d
@@ -180,8 +180,8 @@ r"ファイルを書き込みます。
         return true;
     }
 
-    bool loadDataFile(T)(FileName file, ref Array!T contents)
-        if (is(T == int) || is(T == double))
+    bool loadDataFile(T)(FileName file, ref Array!T contents, out DataHeader header)
+    if (is(T == int) || is(T == double))
     {
         wstring project;
         result = DialogResult.FAILURE;
@@ -211,6 +211,7 @@ r"ファイルを書き込みます。
             harray[0].dim[] = [cast(int)(f.size / int.sizeof), 0, 0, 0];
             harray[0].type = DataType.int_;
         }
+        header = harray[0];
         if (harray[0].dimension != contents.dimCount)
         {
             throw new TypeMismatch("LOAD");
@@ -260,6 +261,12 @@ r"ファイルを書き込みます。
         contents.dimCount = harray[0].dimension;
         return true;
     }
+    bool loadDataFile(T)(FileName file, ref Array!T contents)
+        if (is(T == int) || is(T == double))
+    {
+        DataHeader dh;
+        return loadDataFile(file, contents, dh);
+    }
 
     void saveTextFile(FileName file, wstring content)
     {
@@ -359,6 +366,8 @@ r"ファイルを書き込みます。
                 return Resource.data;
             case "TXT":
                 return Resource.text;
+            case "GRPF":
+                return Resource.graphicFont;
             default:
                 return Resource.illegal;
         }
@@ -406,6 +415,7 @@ enum Resource
     data,
     text,
     illegal,
+    graphicFont,
 }
 
 struct FileName
diff --git a/SMILEBASIC/type.d b/SMILEBASIC/type.d
index d99d81e..250099c 100644
--- a/SMILEBASIC/type.d
+++ b/SMILEBASIC/type.d
@@ -138,6 +138,21 @@ struct Value
         this.type = ValueType.Function;
         this.func = func;
     }
+    this(Array!int a)
+    {
+        this.type = ValueType.IntegerArray;
+        this.integerArray = a;
+    }
+    this(Array!double a)
+    {
+        this.type = ValueType.DoubleArray;
+        this.doubleArray = a;
+    }
+    this(Array!(Array!wchar) a)
+    {
+        this.type = ValueType.StringArray;
+        this.stringArray = a;
+    }
     void castOp(ValueType type)
     {
         switch(type)