diff options
Diffstat (limited to 'src/mame/drivers/galaxian.cpp')
-rw-r--r-- | src/mame/drivers/galaxian.cpp | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/src/mame/drivers/galaxian.cpp b/src/mame/drivers/galaxian.cpp index a1d6e5800b7..2a1972a75fc 100644 --- a/src/mame/drivers/galaxian.cpp +++ b/src/mame/drivers/galaxian.cpp @@ -664,6 +664,7 @@ TODO: #include "machine/watchdog.h" #include "sound/discrete.h" #include "sound/sn76496.h" +#include "sound/volt_reg.h" #include "screen.h" #include "speaker.h" @@ -5985,7 +5986,8 @@ static MACHINE_CONFIG_DERIVED( kingball, mooncrst ) /* sound hardware */ MCFG_SOUND_ADD("dac", DAC_4BIT_R2R, 0) MCFG_SOUND_ROUTE(ALL_OUTPUTS, "speaker", 0.53) // unknown DAC - MCFG_SOUND_REFERENCE_INPUT(DAC_VREF_POS_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) MACHINE_CONFIG_END @@ -6168,7 +6170,8 @@ static MACHINE_CONFIG_DERIVED( sfx, scramble_base ) /* DAC for the sample player */ MCFG_SOUND_ADD("dac", DAC_8BIT_R2R, 0) MCFG_SOUND_ROUTE(ALL_OUTPUTS, "speaker", 1.0) // 16-pin IC (not identified by schematics) - 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) MACHINE_CONFIG_END |