diff options
Diffstat (limited to 'src/mame/drivers/byvid.cpp')
-rw-r--r-- | src/mame/drivers/byvid.cpp | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/src/mame/drivers/byvid.cpp b/src/mame/drivers/byvid.cpp index ee305dccd3c..31a38ca364d 100644 --- a/src/mame/drivers/byvid.cpp +++ b/src/mame/drivers/byvid.cpp @@ -45,6 +45,7 @@ ToDo (granny): #include "machine/timer.h" #include "sound/beep.h" #include "sound/dac.h" +#include "sound/volt_reg.h" #include "video/tms9928a.h" #include "speaker.h" @@ -796,7 +797,8 @@ static MACHINE_CONFIG_START( babypac ) /* sound hardware */ MCFG_SPEAKER_STANDARD_MONO("speaker") MCFG_SOUND_ADD("dac", ZN429E, 0) MCFG_SOUND_ROUTE(ALL_OUTPUTS, "speaker", 0.25) // U32 (Vidiot) or U6 (Cheap Squeak) - 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) MCFG_SOUND_ROUTE_EX(0, "dac", -1.0, DAC_VREF_NEG_INPUT) MCFG_SPEAKER_STANDARD_MONO("beee") MCFG_SOUND_ADD("beeper", BEEP, 600) |