diff --git a/control.hh b/control.hh
index 2550bc1..ba8f2eb 100644
--- a/control.hh
+++ b/control.hh
@@ -36,6 +36,11 @@ enum E_OpType
 	OP_FP_DIV ,
 	OP_FP_NEG ,
 	OP_FP_INV ,
+	//
+	OP_INIT_PIPELINE ,
+	OP_LOAD_PROGRAM ,
+	//
+	OP_FULLSCREEN
 };
 
 M_LSHIFT_OP( T_StringBuilder , E_OpType );
@@ -46,7 +51,7 @@ int32_t DeltaFPUStack( E_OpType op ) noexcept;
 
 struct T_Op
 {
-	static constexpr int MAX_ARGS = 4;
+	static constexpr int MAX_ARGS = 2;
 
 	E_OpType op;
 	T_SRDLocation location;
diff --git a/opast.cc b/opast.cc
index 567d71f..ddbf9a9 100644
--- a/opast.cc
+++ b/opast.cc
@@ -119,8 +119,9 @@ A_Node* opast::ASTVisitorBrowser(
 	    case A_Node::OP_CALL:
 	    {
 		auto& n( (T_CallInstrNode&) node );
-		if ( child < n.arguments( ) ) {
-			return &n.argument( child );
+		const auto nArgs( n.arguments( ) );
+		if ( child < nArgs ) {
+			return &n.argument( nArgs - child - 1 );
 		}
 		break;
 	    }
diff --git a/opcomp.cc b/opcomp.cc
index 264eb18..06a84e2 100644
--- a/opcomp.cc
+++ b/opcomp.cc
@@ -65,9 +65,14 @@ struct T_CompilerImpl_
 			uint32_t args ,
 			uint32_t lvars ,
 			T_SRDLocation const& location ) noexcept;
+
 	bool processIdentifier(
 			uint32_t funcIndex ,
 			T_IdentifierExprNode const& node ) noexcept;
+	bool processIdentifier(
+			uint32_t funcIndex ,
+			T_String const& id ,
+			T_SRDLocation const& location ) noexcept;
 
 	void addInstruction(
 			E_OpType op ,
@@ -300,11 +305,15 @@ bool T_CompilerImpl_::compileNode(
 {
 	switch ( node.type( ) ) {
 
+	    //- PROGRAM STRUCTURE -----------------------------------------------------------------
+
 	    case A_Node::ROOT:
 		fprintf( stderr , "Internal error: root node found during compilation\n" );
 		std::abort( );
 		break;
 
+	    case A_Node::ILIST: break;
+
 	    case A_Node::DECL_FN:
 	    {
 		T_FuncNode& fn( (T_FuncNode&) node );
@@ -321,6 +330,8 @@ bool T_CompilerImpl_::compileNode(
 		break;
 	    }
 
+	    //- GENERAL / FLOW CONTROL INSTRUCTIONS -----------------------------------------------
+
 	    case A_Node::OP_CALL:
 		if ( exit ) {
 			auto& call( (T_CallInstrNode&) node );
@@ -387,14 +398,12 @@ bool T_CompilerImpl_::compileNode(
 			condJumps.addNew( );
 		}
 		break;
-
 	    case A_Node::TN_CONDITION:
 		if ( exit ) {
 			addInstruction( OP_PUSH , node.location( ) );
 			addInstruction( OP_FP_SSTORE_INT , 0 , node.location( ) );
 		}
 		break;
-
 	    case A_Node::TN_CASE:
 		if ( exit ) {
 			// Store a potential skip location
@@ -406,9 +415,6 @@ bool T_CompilerImpl_::compileNode(
 			const auto diff( cpos - ppos );
 			assert( diff > 1 );
 			output->ops.get( funcIndex , ppos ).args[ 1 ] = diff - 1;
-#ifdef INVASIVE_TRACES
-			printf( "\tCOND JUMP UPDATED: %d\n" , diff - 1 );
-#endif
 		} else {
 			// If there is a previous skip location, insert the skip instruction
 			if ( !condJumps.last( ).caseEnds.empty( ) ) {
@@ -425,7 +431,6 @@ bool T_CompilerImpl_::compileNode(
 					node.location( ) );
 		}
 		break;
-
 	    case A_Node::TN_DEFAULT:
 		// If there is a previous skip location, insert the skip instruction
 		// and update the previous conditional skip
@@ -437,6 +442,44 @@ bool T_CompilerImpl_::compileNode(
 		}
 		break;
 
+
+	    //- ASSET DECLARATIONS ----------------------------------------------------------------
+
+	    case A_Node::OP_PIPELINE:
+		if ( exit ) {
+			auto& pn( (T_PipelineInstrNode&) node );
+			for ( auto i = 0u ; i < pn.size( ) ; i ++ ) {
+				processIdentifier( funcIndex , pn.program( i ) ,
+						pn.pLocation( i ) );
+			}
+			processIdentifier( funcIndex , pn.id( ) , pn.location( ) );
+			addInstruction( OP_INIT_PIPELINE , pn.size( ) , pn.location( ) );
+			sdMain -= pn.size( );
+		}
+		break;
+
+	    case A_Node::OP_PROGRAM:
+		if ( exit ) {
+			auto& pn( (T_ProgramInstrNode&) node );
+			processIdentifier( funcIndex , pn.id( ) , pn.idLocation( ) );
+			if ( !output->progNames.contains( pn.path( ) ) ) {
+				output->progNames.add( pn.path( ) );
+			}
+			addInstruction( OP_LOAD_PROGRAM , output->progNames.indexOf( pn.path( ) ) ,
+					pn.location( ) );
+		}
+		break;
+
+	    //- RENDERING -------------------------------------------------------------------------
+
+	    case A_Node::OP_FULLSCREEN:
+		if ( exit ) {
+			addInstruction( OP_FULLSCREEN , node.location( ) );
+		}
+		break;
+
+	    //- EXPRESSIONS - OPERATORS -----------------------------------------------------------
+
 	    case A_Node::EXPR_CMP_EQ: case A_Node::EXPR_CMP_NE:
 	    case A_Node::EXPR_CMP_GT: case A_Node::EXPR_CMP_GE:
 	    case A_Node::EXPR_CMP_LT: case A_Node::EXPR_CMP_LE:
@@ -468,6 +511,8 @@ bool T_CompilerImpl_::compileNode(
 		}
 		break;
 
+	    //- EXPRESSIONS - TERMINAL NODES ------------------------------------------------------
+
 	    case A_Node::EXPR_CONST:
 		if ( !exit ) {
 			T_OpValue value;
@@ -484,6 +529,11 @@ bool T_CompilerImpl_::compileNode(
 					dynamic_cast< T_IdentifierExprNode& >( node ) );
 		}
 		break;
+
+	    case A_Node::EXPR_INPUT:
+		if ( !exit ) {
+		}
+		break;
 	}
 
 	return true;
@@ -518,46 +568,54 @@ void T_CompilerImpl_::processFunction(
 bool T_CompilerImpl_::processIdentifier(
 		const uint32_t funcIndex ,
 		T_IdentifierExprNode const& node ) noexcept
+{
+	return processIdentifier( funcIndex , node.id( ) , node.location( ) );
+}
+
+bool T_CompilerImpl_::processIdentifier(
+		uint32_t funcIndex ,
+		T_String const& id ,
+		T_SRDLocation const& location ) noexcept
 {
 	auto& func{ input->root.function( funcIndex ) };
-	if ( func.hasLocal( node.id( ) ) ) {
-		const E_DataType dt{ func.getLocalType( node.id( ) ) };
+	if ( func.hasLocal( id ) ) {
+		const E_DataType dt{ func.getLocalType( id ) };
 		assert( dt != E_DataType::UNKNOWN );
 
 		uint32_t stackPos;
-		if ( func.isArgument( node.id( ) ) ) {
+		if ( func.isArgument( id ) ) {
 			auto const& fn( (T_FuncNode&) func );
 			const auto nArgs( fn.arguments( ) );
-			stackPos = nArgs - 1 - func.getLocalIndex( node.id( ) );
+			stackPos = nArgs - 1 - func.getLocalIndex( id );
 		} else {
-			stackPos = func.getLocalIndex( node.id( ) ) + 1;
+			stackPos = func.getLocalIndex( id ) + 1;
 		}
 		assert( stackPos < sdMain );
 
 		const auto p( sdMain - ( stackPos + 1 ) );
 		if ( dt == E_DataType::VARIABLE ) {
-			addInstruction( OP_FP_SLOAD , p , node.location( ) );
+			addInstruction( OP_FP_SLOAD , p , location );
 			return false;
 		}
 
-		addInstruction( OP_SLOAD , p , node.location( ) );
-		addInstruction( OP_PUSH , node.location( ) );
+		addInstruction( OP_SLOAD , p , location );
+		addInstruction( OP_PUSH , location );
 		return true;
 	}
 
-	assert( input->types.contains( node.id( ) ) );
-	const E_DataType dt{ *( input->types.get( node.id( ) ) ) };
+	assert( input->types.contains( id ) );
+	const E_DataType dt{ *( input->types.get( id ) ) };
 	assert( dt != E_DataType::UNKNOWN );
-	assert( locations.contains( node.id( ) ) );
+	assert( locations.contains( id ) );
 	if ( dt == E_DataType::VARIABLE || dt == E_DataType::BUILTIN ) {
-		addInstruction( OP_FP_LOAD , *locations.get( node.id( ) ) ,
-				node.location( ) );
+		addInstruction( OP_FP_LOAD , *locations.get( id ) ,
+				location );
 		return false;
 	}
 
-	addInstruction( OP_LOAD , *locations.get( node.id( ) ) ,
-			node.location( ) );
-	addInstruction( OP_PUSH , node.location( ) );
+	addInstruction( OP_LOAD , *locations.get( id ) ,
+			location );
+	addInstruction( OP_PUSH , location );
 	return true;
 }
 
diff --git a/ops.cc b/ops.cc
index fbbf23a..c9eef3f 100644
--- a/ops.cc
+++ b/ops.cc
@@ -108,6 +108,11 @@ static T_KeyValueTable< E_OpType , T_OpInfo > OpInfoTable_{ ([]() {
 	infos.add( E_OpType::OP_FP_DIV , T_OpInfo{ "fp-div" , 0 , OpStackFPU{ -1 } } );
 	infos.add( E_OpType::OP_FP_MUL , T_OpInfo{ "fp-neg" , 0 } );
 	infos.add( E_OpType::OP_FP_DIV , T_OpInfo{ "fp-inv" , 0 } );
+	//
+	infos.add( E_OpType::OP_INIT_PIPELINE , T_OpInfo{ "init-pipeline" , 1 , OpStackMain{ -1 } } );
+	infos.add( E_OpType::OP_LOAD_PROGRAM , T_OpInfo{ "load-program" , 1 , OpStackMain{ -1 } } );
+	//
+	infos.add( E_OpType::OP_FULLSCREEN , T_OpInfo{ "fullscreen" } );
 
 	return infos;
 })( ) };