diff options
Diffstat (limited to 'src/mame/drivers/novagmcs48.cpp')
-rw-r--r-- | src/mame/drivers/novagmcs48.cpp | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/src/mame/drivers/novagmcs48.cpp b/src/mame/drivers/novagmcs48.cpp index 2f8dc95febe..d36a2d9e408 100644 --- a/src/mame/drivers/novagmcs48.cpp +++ b/src/mame/drivers/novagmcs48.cpp @@ -31,6 +31,7 @@ Otherwise, it's identical to Presto. The MCU internal ROM is same too. #include "includes/novagbase.h" #include "cpu/mcs48/mcs48.h" +#include "sound/volt_reg.h" #include "speaker.h" // internal artwork @@ -155,7 +156,8 @@ static MACHINE_CONFIG_START( presto ) /* sound hardware */ MCFG_SPEAKER_STANDARD_MONO("speaker") MCFG_SOUND_ADD("dac", DAC_1BIT, 0) MCFG_SOUND_ROUTE(ALL_OUTPUTS, "speaker", 0.25) - 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) MACHINE_CONFIG_END static MACHINE_CONFIG_DERIVED( octo, presto ) |