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Diffstat (limited to 'src/mame/drivers/bwing.cpp')
-rw-r--r--src/mame/drivers/bwing.cpp4
1 files changed, 1 insertions, 3 deletions
diff --git a/src/mame/drivers/bwing.cpp b/src/mame/drivers/bwing.cpp
index 270a84903f0..a553ecc4623 100644
--- a/src/mame/drivers/bwing.cpp
+++ b/src/mame/drivers/bwing.cpp
@@ -31,7 +31,6 @@ Known issues:
#include "cpu/m6809/m6809.h"
#include "sound/ay8910.h"
#include "sound/dac.h"
-#include "sound/volt_reg.h"
#include "screen.h"
#include "speaker.h"
@@ -407,8 +406,7 @@ static MACHINE_CONFIG_START( bwing )
MCFG_SOUND_ROUTE(ALL_OUTPUTS, "speaker", 0.5)
MCFG_SOUND_ADD("dac", DAC08, 0) MCFG_SOUND_ROUTE(ALL_OUTPUTS, "speaker", 0.1)
- 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
//****************************************************************************