diff --git a/src/devices/bus/cbus/pc9801_amd98.cpp b/src/devices/bus/cbus/pc9801_amd98.cpp
index 0fbfc1ea943..c9b40f0d03b 100644
--- a/src/devices/bus/cbus/pc9801_amd98.cpp
+++ b/src/devices/bus/cbus/pc9801_amd98.cpp
@@ -49,10 +49,12 @@ MACHINE_CONFIG_MEMBER( pc9801_amd98_device::device_add_mconfig )
 	MCFG_SPEAKER_STANDARD_STEREO("lspeaker","rspeaker")
 	MCFG_SOUND_ADD("ay1", AY8910, MAIN_CLOCK_X1*2)
 	MCFG_AY8910_PORT_A_READ_CB(IOPORT("OPN_PA1"))
+	MCFG_AY8910_PORT_B_WRITE_CB(WRITE8(pc9801_amd98_device,ay3_address_w))
 	MCFG_SOUND_ROUTE(ALL_OUTPUTS, "lspeaker", 0.50)
 
 	MCFG_SOUND_ADD("ay2", AY8910, MAIN_CLOCK_X1*2)
 	MCFG_AY8910_PORT_A_READ_CB(IOPORT("OPN_PA2"))
+	MCFG_AY8910_PORT_B_WRITE_CB(WRITE8(pc9801_amd98_device,ay3_data_latch_w))
 	MCFG_SOUND_ROUTE(ALL_OUTPUTS, "rspeaker", 0.50)
 
 	MCFG_SOUND_ADD("ay3", AY8910, MAIN_CLOCK_X1*2)
@@ -198,3 +200,23 @@ WRITE8_MEMBER(pc9801_amd98_device::write)
 	}
 }
 
+WRITE8_MEMBER(pc9801_amd98_device::ay3_address_w)
+{
+	m_ay3_latch = data;
+}
+
+WRITE8_MEMBER(pc9801_amd98_device::ay3_data_latch_w)
+{
+	// TODO: this actually uses a flip flop mechanism, not quite sure about how it works yet
+	switch(data)
+	{
+		case 0x47: 
+			//printf("%02x addr\n",m_ay3_latch);
+			m_ay3->address_w(space,0,m_ay3_latch); 
+			break;
+		case 0x43: 
+			//printf("%02x data\n",m_ay3_latch);
+			m_ay3->data_w(space,0,m_ay3_latch); 
+			break;
+	}
+}
diff --git a/src/devices/bus/cbus/pc9801_amd98.h b/src/devices/bus/cbus/pc9801_amd98.h
index 60cc037a6d1..d04bb996465 100644
--- a/src/devices/bus/cbus/pc9801_amd98.h
+++ b/src/devices/bus/cbus/pc9801_amd98.h
@@ -43,6 +43,11 @@ protected:
 	virtual ioport_constructor device_input_ports() const override;
 
 private:
+	DECLARE_WRITE8_MEMBER(ay3_address_w);
+	DECLARE_WRITE8_MEMBER(ay3_data_latch_w);
+
+	uint8_t m_ay3_latch;
+
 //  required_device<cpu_device>  m_maincpu;
 	required_device<ay8910_device>  m_ay1;
 	required_device<ay8910_device>  m_ay2;