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Diffstat (limited to 'src/mame/drivers/s4.cpp')
-rw-r--r--src/mame/drivers/s4.cpp6
1 files changed, 4 insertions, 2 deletions
diff --git a/src/mame/drivers/s4.cpp b/src/mame/drivers/s4.cpp
index ba1f296c4c9..7c75868a195 100644
--- a/src/mame/drivers/s4.cpp
+++ b/src/mame/drivers/s4.cpp
@@ -491,8 +491,10 @@ MACHINE_CONFIG_START(s4_state::s4a)
SPEAKER(config, "speaker").front_center();
MCFG_DEVICE_ADD("dac", MC1408, 0) MCFG_SOUND_ROUTE(ALL_OUTPUTS, "speaker", 0.5)
- MCFG_DEVICE_ADD("vref", VOLTAGE_REGULATOR, 0) MCFG_VOLTAGE_REGULATOR_OUTPUT(5.0)
- MCFG_SOUND_ROUTE(0, "dac", 1.0, DAC_VREF_POS_INPUT) MCFG_SOUND_ROUTE(0, "dac", -1.0, DAC_VREF_NEG_INPUT)
+ voltage_regulator_device &vref(VOLTAGE_REGULATOR(config, "vref"));
+ vref.set_output(5.0);
+ vref.add_route(0, "dac", 1.0, DAC_VREF_POS_INPUT);
+ vref.add_route(0, "dac", -1.0, DAC_VREF_NEG_INPUT);
PIA6821(config, m_pias, 0);
m_pias->readpb_handler().set(FUNC(s4_state::sound_r));