diff --git a/control.hh b/control.hh
index d555d17..dfe7981 100644
--- a/control.hh
+++ b/control.hh
@@ -67,6 +67,7 @@ enum E_OpType
 	//
 	OP_UI_PENTER ,
 	OP_UI_PEXIT ,
+	OP_UI_INPUT_DFT ,
 };
 
 M_LSHIFT_OP( T_StringBuilder , E_OpType );
diff --git a/opcomp.cc b/opcomp.cc
index 9b3b828..d34523b 100644
--- a/opcomp.cc
+++ b/opcomp.cc
@@ -615,6 +615,25 @@ bool T_CompilerImpl_::compileNode(
 		}
 		break;
 
+	    case A_Node::OP_INPUT:
+		if ( exit ) {
+			auto& in( (T_InputInstrNode&) node );
+			T_OpValue value;
+			value.f = in.defValue( );
+
+			addInstruction( OP_FP_LOAD ,
+					constants.indexOf( value.u ) + 3 ,
+					in.defValueLocation( ) );
+			addInstruction( OP_PUSH , in.defValueLocation( ) );
+			addInstruction( OP_FP_SSTORE_INT , 0 , in.defValueLocation( ) );
+
+			addInstruction( OP_CONST , output->inputs.indexOf( in.id( ) ) , in.idLocation( ) );
+			addInstruction( OP_PUSH , in.defValueLocation( ) );
+
+			addInstruction( OP_UI_INPUT_DFT , node.location( ) );
+		}
+		break;
+
 
 	    //- EXPRESSIONS - ARGUMENTS -----------------------------------------------------------
 
diff --git a/ops.cc b/ops.cc
index b617c97..44d717a 100644
--- a/ops.cc
+++ b/ops.cc
@@ -139,6 +139,7 @@ static T_KeyValueTable< E_OpType , T_OpInfo > OpInfoTable_{ ([]() {
 	//
 	infos.add( E_OpType::OP_UI_PENTER , T_OpInfo{ "ui-prof-enter" , 1 } );
 	infos.add( E_OpType::OP_UI_PEXIT , T_OpInfo{ "ui-prof-exit" } );
+	infos.add( E_OpType::OP_UI_INPUT_DFT , T_OpInfo{ "ui-input-default" , 0 , OpStackMain{ -2 } } );
 
 	return infos;
 })( ) };