diff --git a/Components/AY38910/AY38910.cpp b/Components/AY38910/AY38910.cpp
index c05dad2e6..d3d7329c4 100644
--- a/Components/AY38910/AY38910.cpp
+++ b/Components/AY38910/AY38910.cpp
@@ -231,6 +231,10 @@ uint8_t AY38910::get_port_output(bool port_b) {
 	return registers_[port_b ? 15 : 14];
 }
 
+void AY38910::set_port_input(bool port_b, uint8_t value) {
+	registers_[port_b ? 15 : 14] = value;
+}
+
 void AY38910::set_data_input(uint8_t r) {
 	data_input_ = r;
 }
@@ -252,7 +256,7 @@ void AY38910::set_control_lines(ControlLines control_lines) {
 		case (int)(BDIR | BC2):		new_state = Write;			break;
 	}
 
-	if(new_state != control_state_) {
+//	if(new_state != control_state_) {
 		control_state_ = new_state;
 		switch(new_state) {
 			default: break;
@@ -260,5 +264,5 @@ void AY38910::set_control_lines(ControlLines control_lines) {
 			case Write:			set_register_value(data_input_);		break;
 			case Read:			data_output_ = get_register_value();	break;
 		}
-	}
+//	}
 }
diff --git a/Components/AY38910/AY38910.hpp b/Components/AY38910/AY38910.hpp
index 6a6d9d2f9..c079d7fce 100644
--- a/Components/AY38910/AY38910.hpp
+++ b/Components/AY38910/AY38910.hpp
@@ -47,6 +47,12 @@ class AY38910: public ::Outputs::Filter<AY38910> {
 		*/
 		uint8_t get_port_output(bool port_b);
 
+		/*!
+			Sets the value that would appear on the requested interface port if it were in output mode.
+			@parameter port_b @c true to get the value for Port B, @c false to get the value for Port A.
+		*/
+		void set_port_input(bool port_b, uint8_t value);
+
 		// to satisfy ::Outputs::Speaker (included via ::Outputs::Filter; not for public consumption
 		void get_samples(unsigned int number_of_samples, int16_t *target);