diff options
Diffstat (limited to 'src/mame/drivers/vg5k.cpp')
-rw-r--r-- | src/mame/drivers/vg5k.cpp | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/src/mame/drivers/vg5k.cpp b/src/mame/drivers/vg5k.cpp index bfbacb18346..be0261ff4c8 100644 --- a/src/mame/drivers/vg5k.cpp +++ b/src/mame/drivers/vg5k.cpp @@ -55,6 +55,7 @@ #include "machine/ram.h" #include "machine/timer.h" #include "sound/dac.h" +#include "sound/volt_reg.h" #include "sound/wave.h" #include "video/ef9345.h" @@ -385,7 +386,8 @@ static MACHINE_CONFIG_START( vg5k ) /* sound hardware */ MCFG_SPEAKER_STANDARD_MONO("speaker") MCFG_SOUND_ADD("dac", DAC_1BIT, 0) MCFG_SOUND_ROUTE(ALL_OUTPUTS, "speaker", 0.125) - MCFG_SOUND_REFERENCE_INPUT(DAC_VREF_POS_INPUT, 1.0) MCFG_SOUND_REFERENCE_INPUT(DAC_VREF_NEG_INPUT, -1.0) + MCFG_DEVICE_ADD("vref", VOLTAGE_REGULATOR, 0) MCFG_VOLTAGE_REGULATOR_OUTPUT(5.0) + MCFG_SOUND_ROUTE_EX(0, "dac", 1.0, DAC_VREF_POS_INPUT) /* cassette */ MCFG_SOUND_WAVE_ADD(WAVE_TAG, "cassette") |