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Diffstat (limited to 'src/mame/drivers/s4.cpp')
-rw-r--r-- | src/mame/drivers/s4.cpp | 6 |
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)); |