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Diffstat (limited to 'src/mame/drivers/proteus3.cpp')
-rw-r--r--src/mame/drivers/proteus3.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/mame/drivers/proteus3.cpp b/src/mame/drivers/proteus3.cpp
index c6aab9129e3..933a9f5ca40 100644
--- a/src/mame/drivers/proteus3.cpp
+++ b/src/mame/drivers/proteus3.cpp
@@ -406,7 +406,7 @@ MACHINE_CONFIG_START(proteus3_state::proteus3)
MCFG_ACIA6850_TXD_HANDLER(WRITELINE(*this, proteus3_state, acia1_txdata_w))
MCFG_CASSETTE_ADD("cassette")
MCFG_CASSETTE_DEFAULT_STATE(CASSETTE_PLAY | CASSETTE_MOTOR_ENABLED | CASSETTE_SPEAKER_ENABLED)
- MCFG_SPEAKER_STANDARD_MONO("mono")
+ SPEAKER(config, "mono").front_center();
MCFG_SOUND_WAVE_ADD(WAVE_TAG, "cassette")
MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.25)
MCFG_TIMER_DRIVER_ADD_PERIODIC("timer_c", proteus3_state, timer_c, attotime::from_hz(4800))