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-rw-r--r--src/mame/audio/tx1.cpp3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/mame/audio/tx1.cpp b/src/mame/audio/tx1.cpp
index 8c44033191b..355a501a09e 100644
--- a/src/mame/audio/tx1.cpp
+++ b/src/mame/audio/tx1.cpp
@@ -575,6 +575,7 @@ MACHINE_CONFIG_START(tx1_sound_device::device_add_mconfig)
MCFG_SOUND_ROUTE(ALL_OUTPUTS, "frontleft", 0.1)
MCFG_SOUND_ROUTE(ALL_OUTPUTS, "frontright", 0.1)
+ MCFG_DEVICE_MODIFY(DEVICE_SELF)
MCFG_SOUND_ROUTE(0, "frontleft", 0.2)
MCFG_SOUND_ROUTE(1, "frontright", 0.2)
MACHINE_CONFIG_END
@@ -1084,6 +1085,7 @@ MACHINE_CONFIG_START(buggyboy_sound_device::device_add_mconfig)
MCFG_AY8910_PORT_B_WRITE_CB(WRITE8(*this, buggyboy_sound_device, ym2_b_w))
MCFG_SOUND_ROUTE(ALL_OUTPUTS, "frontright", 0.15)
+ MCFG_DEVICE_MODIFY(DEVICE_SELF)
MCFG_SOUND_ROUTE(0, "frontleft", 0.2)
MCFG_SOUND_ROUTE(1, "frontright", 0.2)
MACHINE_CONFIG_END
@@ -1109,6 +1111,7 @@ MACHINE_CONFIG_START(buggyboyjr_sound_device::device_add_mconfig)
MCFG_AY8910_PORT_B_WRITE_CB(WRITE8(*this, buggyboy_sound_device, ym2_b_w))
MCFG_SOUND_ROUTE(ALL_OUTPUTS, "frontright", 0.15)
+ MCFG_DEVICE_MODIFY(DEVICE_SELF)
MCFG_SOUND_ROUTE(0, "frontleft", 0.2)
MCFG_SOUND_ROUTE(1, "frontright", 0.2)
MACHINE_CONFIG_END