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Diffstat (limited to 'src/mame/drivers/twins.c')
-rw-r--r--src/mame/drivers/twins.c14
1 files changed, 4 insertions, 10 deletions
diff --git a/src/mame/drivers/twins.c b/src/mame/drivers/twins.c
index b7a2dea899c..a80c9b1e685 100644
--- a/src/mame/drivers/twins.c
+++ b/src/mame/drivers/twins.c
@@ -186,14 +186,6 @@ static INPUT_PORTS_START(twins)
INPUT_PORTS_END
-static const ay8910_interface ay8910_config =
-{
- AY8910_LEGACY_OUTPUT,
- AY8910_DEFAULT_LOADS,
- DEVCB_INPUT_PORT("P1"),
- DEVCB_INPUT_PORT("P2")
-};
-
static MACHINE_CONFIG_START( twins, twins_state )
/* basic machine hardware */
MCFG_CPU_ADD("maincpu", V30, 8000000)
@@ -218,7 +210,8 @@ static MACHINE_CONFIG_START( twins, twins_state )
MCFG_SPEAKER_STANDARD_MONO("mono")
MCFG_SOUND_ADD("aysnd", AY8910, 2000000)
- MCFG_SOUND_CONFIG(ay8910_config)
+ MCFG_AY8910_PORT_A_READ_CB(IOPORT("P1"))
+ MCFG_AY8910_PORT_B_READ_CB(IOPORT("P2"))
MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1.0)
MACHINE_CONFIG_END
@@ -308,7 +301,8 @@ static MACHINE_CONFIG_START( twinsa, twins_state )
MCFG_SPEAKER_STANDARD_MONO("mono")
MCFG_SOUND_ADD("aysnd", AY8910, XTAL_16MHz/8) /* verified on pcb */
- MCFG_SOUND_CONFIG(ay8910_config)
+ MCFG_AY8910_PORT_A_READ_CB(IOPORT("P1"))
+ MCFG_AY8910_PORT_B_READ_CB(IOPORT("P2"))
MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1.0)
MACHINE_CONFIG_END