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Diffstat (limited to 'src/mame/drivers/nbmj8688.cpp')
-rw-r--r--src/mame/drivers/nbmj8688.cpp7
1 files changed, 2 insertions, 5 deletions
diff --git a/src/mame/drivers/nbmj8688.cpp b/src/mame/drivers/nbmj8688.cpp
index 16cd0b48db3..9953c3019c7 100644
--- a/src/mame/drivers/nbmj8688.cpp
+++ b/src/mame/drivers/nbmj8688.cpp
@@ -38,7 +38,6 @@ TODO:
#include "sound/3812intf.h"
#include "sound/ay8910.h"
#include "sound/dac.h"
-#include "sound/volt_reg.h"
#include "rendlay.h"
#include "screen.h"
#include "speaker.h"
@@ -2474,8 +2473,7 @@ static MACHINE_CONFIG_START( NBMJDRV_4096 )
MCFG_SOUND_ROUTE(ALL_OUTPUTS, "speaker", 0.35)
MCFG_SOUND_ADD("dac", DAC_8BIT_R2R, 0) MCFG_SOUND_ROUTE(ALL_OUTPUTS, "speaker", 0.5) // unknown DAC
- 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_SOUND_REFERENCE_INPUT(DAC_VREF_POS_INPUT, 1.0) MCFG_SOUND_REFERENCE_INPUT(DAC_VREF_NEG_INPUT, -1.0)
MACHINE_CONFIG_END
static MACHINE_CONFIG_DERIVED( NBMJDRV_256, NBMJDRV_4096 )
@@ -2655,8 +2653,7 @@ static MACHINE_CONFIG_START( mbmj_p16bit_LCD )
MCFG_SOUND_ROUTE(ALL_OUTPUTS, "speaker", 0.35)
MCFG_SOUND_ADD("dac", DAC_8BIT_R2R, 0) MCFG_SOUND_ROUTE(ALL_OUTPUTS, "speaker", 0.5) // unknown DAC
- 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_SOUND_REFERENCE_INPUT(DAC_VREF_POS_INPUT, 1.0) MCFG_SOUND_REFERENCE_INPUT(DAC_VREF_NEG_INPUT, -1.0)
MACHINE_CONFIG_END
static MACHINE_CONFIG_DERIVED( bijokkoy, mbmj_p16bit_LCD )