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Diffstat (limited to 'src/mess/drivers/dragon.c')
-rw-r--r--src/mess/drivers/dragon.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/src/mess/drivers/dragon.c b/src/mess/drivers/dragon.c
index 1011f5c3fa1..c41f1bbcc94 100644
--- a/src/mess/drivers/dragon.c
+++ b/src/mess/drivers/dragon.c
@@ -225,7 +225,8 @@ static MACHINE_CONFIG_DERIVED_CLASS( dgnalpha, dragon_base, dragon_alpha_state )
// sound hardware
MCFG_SOUND_ADD(AY8912_TAG, AY8912, 1000000)
- MCFG_SOUND_CONFIG(dragon_alpha_state::ay8912_interface)
+ MCFG_AY8910_PORT_A_READ_CB(READ8(dragon_alpha_state, psg_porta_read))
+ MCFG_AY8910_PORT_A_WRITE_CB(WRITE8(dragon_alpha_state, psg_porta_write))
MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.75)
// pia 2