diff --git a/SMILEBASIC/VM.d b/SMILEBASIC/VM.d
index aba8dbf..cba3201 100644
--- a/SMILEBASIC/VM.d
+++ b/SMILEBASIC/VM.d
@@ -2011,3 +2011,18 @@ class PushVarExpression : Code
         vm.push(vm.currentSlot.global[vmv.index]);
     }
 }
+
+class SetX : Code
+{
+    wstring func;
+    bool value;
+    this(wstring f, bool value)
+    {
+        this.func = f;
+        this.value = value;
+    }
+    override void execute(VM vm)
+    {
+        vm.petitcomputer.setX(func, value);
+    }
+}
diff --git a/SMILEBASIC/compiler.d b/SMILEBASIC/compiler.d
index 8ce3863..8cac621 100644
--- a/SMILEBASIC/compiler.d
+++ b/SMILEBASIC/compiler.d
@@ -908,6 +908,14 @@ class Compiler
         compilePushReference(swap.item1, sc);
         genCode(new SwapCode());
     }
+    void compileXOn(XOn x, Scope sc)
+    {
+        genCode(new SetX(x.func, true));
+    }
+    void compileXOff(XOff x, Scope sc)
+    {
+        genCode(new SetX(x.func, false));
+    }
     void compileStatement(Statement i, Scope s)
     {
         switch(i.type)
@@ -1170,6 +1178,12 @@ class Compiler
             case NodeType.Swap:
                 compileSwap(cast(Swap)i, s);
                 break;
+            case NodeType.XOn:
+                compileXOn(cast(XOn)i, s);
+                break;
+            case NodeType.XOff:
+                compileXOff(cast(XOff)i, s);
+                break;
             default:
                 stderr.writeln("Compile:NotImpl ", i.type);
         }
diff --git a/SMILEBASIC/petitcomputer.d b/SMILEBASIC/petitcomputer.d
index 36c43f2..e3c3aee 100644
--- a/SMILEBASIC/petitcomputer.d
+++ b/SMILEBASIC/petitcomputer.d
@@ -1236,6 +1236,37 @@ class PetitComputer
     {
         return page >= 0 && page < 6;
     }
+    struct X
+    {
+        bool motion;
+        bool expad;
+        bool mic;
+        bool wiiU;
+    }
+    X x;
+    public void setX(wstring func, bool value)
+    {
+        if (func == "WIIU")
+        {
+            x.wiiU = value;
+        }
+        else if (func == "MIC")
+        {
+            x.mic = value;
+        }
+        else if (func == "EXPAD")
+        {
+            x.expad = value;
+        }
+        else if (func == "MOTION")
+        {
+            x.motion = value;
+        }
+        else
+        {
+            std.stdio.stderr.writefln("Unknown %s %s", value ? "XON" : "XOFF", func);
+        }
+    }
     //プチコン内部表現はRGB5_A1
     static uint toGLColor(GLenum format, ubyte r, ubyte g, ubyte b, ubyte a)
     {