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-rw-r--r--src/mame/drivers/topspeed.cpp18
1 files changed, 6 insertions, 12 deletions
diff --git a/src/mame/drivers/topspeed.cpp b/src/mame/drivers/topspeed.cpp
index 892637887d4..33be5218afa 100644
--- a/src/mame/drivers/topspeed.cpp
+++ b/src/mame/drivers/topspeed.cpp
@@ -646,18 +646,12 @@ MACHINE_CONFIG_START(topspeed_state::topspeed)
MCFG_MSM5205_PRESCALER_SELECTOR(SEX_4B) // Slave mode, 4-bit
MCFG_SOUND_ROUTE(ALL_OUTPUTS, "filter3", 1.0)
- MCFG_FILTER_VOLUME_ADD("filter1l", 0)
- MCFG_SOUND_ROUTE(ALL_OUTPUTS, "lspeaker", 1.0)
- MCFG_FILTER_VOLUME_ADD("filter1r", 0)
- MCFG_SOUND_ROUTE(ALL_OUTPUTS, "rspeaker", 1.0)
-
- MCFG_FILTER_VOLUME_ADD("filter2", 0)
- MCFG_SOUND_ROUTE(ALL_OUTPUTS, "lspeaker", 1.0)
- MCFG_SOUND_ROUTE(ALL_OUTPUTS, "rspeaker", 1.0)
-
- MCFG_FILTER_VOLUME_ADD("filter3", 0)
- MCFG_SOUND_ROUTE(ALL_OUTPUTS, "lspeaker", 1.0)
- MCFG_SOUND_ROUTE(ALL_OUTPUTS, "rspeaker", 1.0)
+ FILTER_VOLUME(config, "filter1l").add_route(ALL_OUTPUTS, "lspeaker", 1.0);
+ FILTER_VOLUME(config, "filter1r").add_route(ALL_OUTPUTS, "rspeaker", 1.0);
+
+ FILTER_VOLUME(config, "filter2").add_route(ALL_OUTPUTS, "lspeaker", 1.0).add_route(ALL_OUTPUTS, "rspeaker", 1.0);
+
+ FILTER_VOLUME(config, "filter3").add_route(ALL_OUTPUTS, "lspeaker", 1.0).add_route(ALL_OUTPUTS, "rspeaker", 1.0);
MACHINE_CONFIG_END