diff --git a/src/mess/drivers/gamecom.c b/src/mess/drivers/gamecom.c
index bfbcf1746b6..d59a131c0fd 100644
--- a/src/mess/drivers/gamecom.c
+++ b/src/mess/drivers/gamecom.c
@@ -117,13 +117,11 @@ static MACHINE_CONFIG_START( gamecom, gamecom_state )
 	MCFG_PALETTE_LENGTH(5)
 
 	/* sound hardware */
-#if 0
-	MCFG_SPEAKER_STANDARD_STEREO( "left", "right" )
-	/* MCFG_SOUND_ADD( "custom", CUSTOM, 0 ) */
-	/* MCFG_SOUND_CONFIG */
-	MCFG_SOUND_ROUTE( 0, "left", 0.50 )
-	MCFG_SOUND_ROUTE( 1, "right", 0.50 )
-#endif
+	MCFG_SPEAKER_STANDARD_STEREO( "lspeaker", "rspeaker" )
+	/* TODO: much more complex than this */
+	MCFG_SOUND_ADD("dac", DAC, 0)
+	MCFG_SOUND_ROUTE(ALL_OUTPUTS, "lspeaker", 1.00)
+	MCFG_SOUND_ROUTE(ALL_OUTPUTS, "rspeaker", 1.00)
 
 	/* cartridge */
 	MCFG_CARTSLOT_ADD("cart1")
diff --git a/src/mess/includes/gamecom.h b/src/mess/includes/gamecom.h
index 488cd00e688..378f35093d7 100644
--- a/src/mess/includes/gamecom.h
+++ b/src/mess/includes/gamecom.h
@@ -15,6 +15,7 @@
 #include "cpu/sm8500/sm8500.h"
 #include "imagedev/cartslot.h"
 #include "rendlay.h"
+#include "sound/dac.h"
 
 /* SM8521 register addresses */
 enum
@@ -211,6 +212,7 @@ public:
 	gamecom_state(const machine_config &mconfig, device_type type, const char *tag)
 		: driver_device(mconfig, type, tag),
 		m_maincpu(*this, "maincpu"),
+		m_dac(*this, "dac"),
 		m_p_nvram(*this,"p_nvram"),
 		m_p_videoram(*this,"p_videoram"),
 		m_bank1(*this, "bank1"),
@@ -223,9 +225,11 @@ public:
 		m_io_in1(*this, "IN1"),
 		m_io_in2(*this, "IN2"),
 		m_io_styx(*this, "STYX"),
-		m_io_styy(*this, "STYY") { }
+		m_io_styy(*this, "STYY")
+		{ }
 
 	required_device<cpu_device> m_maincpu;
+	required_device<dac_device> m_dac;
 	DECLARE_READ8_MEMBER( gamecom_internal_r );
 	DECLARE_READ8_MEMBER( gamecom_pio_r );
 	DECLARE_WRITE8_MEMBER( gamecom_internal_w );
diff --git a/src/mess/machine/gamecom.c b/src/mess/machine/gamecom.c
index 179bf3f65b1..91ca0610d6d 100644
--- a/src/mess/machine/gamecom.c
+++ b/src/mess/machine/gamecom.c
@@ -321,6 +321,13 @@ WRITE8_MEMBER( gamecom_state::gamecom_internal_w )
 
 	/* Sound */
 	case SM8521_SGC:
+		/*
+		x--- ---- enable sound output
+		---- x--- enable DAC
+		---- -x-- enable SG2
+		---- --x- enable SG1
+		---- ---x enable SG0
+		*/
 		m_sound.sgc = data;
 		break;
 	case SM8521_SG0L:
@@ -352,6 +359,8 @@ WRITE8_MEMBER( gamecom_state::gamecom_internal_w )
 		break;
 	case SM8521_SGDA:
 		m_sound.sgda = data;
+		if((m_sound.sgc & 0x88) == 0x88)
+			m_dac->write_unsigned8(data);
 		break;
 
 	case SM8521_SG0W0: