diff --git a/src/mame/drivers/stellafr.cpp b/src/mame/drivers/stellafr.cpp
index 32c9f704c69..945bf87c5cc 100644
--- a/src/mame/drivers/stellafr.cpp
+++ b/src/mame/drivers/stellafr.cpp
@@ -13,36 +13,93 @@ Possibly related to ADP hardware?
 
 #include "emu.h"
 #include "cpu/m68000/m68000.h"
+#include "machine/mc68681.h"
+#include "sound/ay8910.h"
+#include "speaker.h"
 
 class stellafr_state : public driver_device
 {
 public:
 	stellafr_state(const machine_config &mconfig, device_type type, const char *tag)
 		: driver_device(mconfig, type, tag),
-			m_maincpu(*this, "maincpu")
+			m_maincpu(*this, "maincpu"),
+			m_duart(*this, "duart")
 	{ }
 
+	IRQ_CALLBACK_MEMBER(irq_ack);
+	DECLARE_WRITE8_MEMBER(write_8000c1);
+	DECLARE_READ8_MEMBER(read_800101);
+	DECLARE_WRITE8_MEMBER(write_800101);
+	DECLARE_WRITE8_MEMBER(duart_output_w);
+	DECLARE_WRITE8_MEMBER(ay8910_portb_w);
+
 protected:
 
 	// devices
 	required_device<cpu_device> m_maincpu;
+	required_device<mc68681_device> m_duart;
 };
 
 
+IRQ_CALLBACK_MEMBER(stellafr_state::irq_ack)
+{
+	return m_duart->get_irq_vector();
+}
+
+WRITE8_MEMBER(stellafr_state::write_8000c1)
+{
+}
+
+READ8_MEMBER(stellafr_state::read_800101)
+{
+	return 0xff;
+}
+
+WRITE8_MEMBER(stellafr_state::write_800101)
+{
+}
+
+WRITE8_MEMBER(stellafr_state::duart_output_w)
+{
+}
+
+WRITE8_MEMBER(stellafr_state::ay8910_portb_w)
+{
+}
+
+
 
 static ADDRESS_MAP_START( stellafr_map, AS_PROGRAM, 16, stellafr_state )
 	AM_RANGE(0x000000, 0x01ffff) AM_ROM
+	AM_RANGE(0x8000c0, 0x8000c1) AM_WRITE8(write_8000c1, 0x00ff)
+	AM_RANGE(0x800100, 0x800101) AM_READWRITE8(read_800101, write_800101, 0x00ff)
+	AM_RANGE(0x800140, 0x800141) AM_DEVREADWRITE8("aysnd", ay8910_device, data_r, address_w, 0x00ff)
+	AM_RANGE(0x800142, 0x800143) AM_DEVWRITE8("aysnd", ay8910_device, data_w, 0x00ff)
+	AM_RANGE(0x800180, 0x80019f) AM_DEVREADWRITE8("duart", mc68681_device, read, write, 0x00ff)
 	AM_RANGE(0xff0000, 0xffffff) AM_RAM
 ADDRESS_MAP_END
 
 
 static INPUT_PORTS_START( stellafr )
+	PORT_START("INPUTS")
+	PORT_BIT(0xff, IP_ACTIVE_LOW, IPT_UNKNOWN)
 INPUT_PORTS_END
 
 
 static MACHINE_CONFIG_START( stellafr )
 	MCFG_CPU_ADD("maincpu", M68000, 10000000 ) //?
 	MCFG_CPU_PROGRAM_MAP(stellafr_map)
+	MCFG_CPU_IRQ_ACKNOWLEDGE_DRIVER(stellafr_state, irq_ack)
+
+	MCFG_DEVICE_ADD("duart", MC68681, 3686400)
+	MCFG_MC68681_IRQ_CALLBACK(INPUTLINE("maincpu", M68K_IRQ_2)) // ?
+	MCFG_MC68681_OUTPORT_CALLBACK(WRITE8(stellafr_state, duart_output_w))
+
+	MCFG_SPEAKER_STANDARD_MONO("mono")
+	MCFG_SOUND_ADD("aysnd", AY8910, 1000000)
+	MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1.0)
+	MCFG_AY8910_PORT_A_READ_CB(IOPORT("INPUTS"))
+	MCFG_AY8910_PORT_B_WRITE_CB(WRITE8(stellafr_state, ay8910_portb_w))
 MACHINE_CONFIG_END