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Diffstat (limited to 'src/mame/drivers/ironhors.cpp')
-rw-r--r--src/mame/drivers/ironhors.cpp6
1 files changed, 3 insertions, 3 deletions
diff --git a/src/mame/drivers/ironhors.cpp b/src/mame/drivers/ironhors.cpp
index e22c0d9cf4b..288af65e523 100644
--- a/src/mame/drivers/ironhors.cpp
+++ b/src/mame/drivers/ironhors.cpp
@@ -414,9 +414,9 @@ MACHINE_CONFIG_START(ironhors_state::ironhors)
ym2203_device &ym2203(YM2203(config, "ym2203", 18432000/6));
ym2203.port_a_write_callback().set(FUNC(ironhors_state::filter_w));
ym2203.add_route(0, "disc_ih", 1.0, 0);
- ym2203.add_route(0, "disc_ih", 1.0, 1);
- ym2203.add_route(0, "disc_ih", 1.0, 2);
- ym2203.add_route(0, "disc_ih", 1.0, 3);
+ ym2203.add_route(1, "disc_ih", 1.0, 1);
+ ym2203.add_route(2, "disc_ih", 1.0, 2);
+ ym2203.add_route(3, "disc_ih", 1.0, 3);
MCFG_DEVICE_ADD("disc_ih", DISCRETE, ironhors_discrete)
MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1.0)