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-rw-r--r--src/mame/drivers/tnzs.cpp4
1 files changed, 1 insertions, 3 deletions
diff --git a/src/mame/drivers/tnzs.cpp b/src/mame/drivers/tnzs.cpp
index c5a73d241d7..39dc6cd21c4 100644
--- a/src/mame/drivers/tnzs.cpp
+++ b/src/mame/drivers/tnzs.cpp
@@ -626,7 +626,6 @@ Driver by Takahiro Nogi (nogi@kt.rim.or.jp) 1999/11/06
#include "cpu/z80/z80.h"
#include "sound/2203intf.h"
-#include "sound/volt_reg.h"
#include "sound/ym2151.h"
#include "screen.h"
#include "speaker.h"
@@ -1686,8 +1685,7 @@ static MACHINE_CONFIG_DERIVED( kabukiz, tnzsb )
MCFG_AY8910_PORT_B_WRITE_CB(DEVWRITE8("dac", dac_byte_interface, write))
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