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Diffstat (limited to 'src/mame/drivers/ambush.c')
-rw-r--r--src/mame/drivers/ambush.c31
1 files changed, 2 insertions, 29 deletions
diff --git a/src/mame/drivers/ambush.c b/src/mame/drivers/ambush.c
index 23b0fd82896..3ac2b861ee5 100644
--- a/src/mame/drivers/ambush.c
+++ b/src/mame/drivers/ambush.c
@@ -195,33 +195,6 @@ GFXDECODE_END
/*************************************
*
- * Sound interfaces
- *
- *************************************/
-
-static const ay8910_interface ay8912_interface_1 =
-{
- AY8910_LEGACY_OUTPUT,
- AY8910_DEFAULT_LOADS,
- DEVCB_INPUT_PORT("SYSTEM"),
- DEVCB_NULL,
- DEVCB_NULL,
- DEVCB_NULL
-};
-
-static const ay8910_interface ay8912_interface_2 =
-{
- AY8910_LEGACY_OUTPUT,
- AY8910_DEFAULT_LOADS,
- DEVCB_INPUT_PORT("INPUTS"),
- DEVCB_NULL,
- DEVCB_NULL,
- DEVCB_NULL
-};
-
-
-/*************************************
- *
* Machine driver
*
*************************************/
@@ -251,11 +224,11 @@ static MACHINE_CONFIG_START( ambush, ambush_state )
MCFG_SPEAKER_STANDARD_MONO("mono")
MCFG_SOUND_ADD("ay1", AY8912, XTAL_18_432MHz/6/2) /* XTAL confirmed, divisor guessed */
- MCFG_SOUND_CONFIG(ay8912_interface_1)
+ MCFG_AY8910_PORT_A_READ_CB(IOPORT("SYSTEM"))
MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.33)
MCFG_SOUND_ADD("ay2", AY8912, XTAL_18_432MHz/6/2) /* XTAL confirmed, divisor guessed */
- MCFG_SOUND_CONFIG(ay8912_interface_2)
+ MCFG_AY8910_PORT_A_READ_CB(IOPORT("INPUTS"))
MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.33)
MACHINE_CONFIG_END