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Diffstat (limited to 'src/mame/drivers/othello.cpp')
-rw-r--r--src/mame/drivers/othello.cpp4
1 files changed, 1 insertions, 3 deletions
diff --git a/src/mame/drivers/othello.cpp b/src/mame/drivers/othello.cpp
index fa289e6b08d..8b655ea0739 100644
--- a/src/mame/drivers/othello.cpp
+++ b/src/mame/drivers/othello.cpp
@@ -45,7 +45,6 @@ Limit for help/undo (matta):
#include "machine/i8243.h"
#include "sound/ay8910.h"
#include "sound/dac.h"
-#include "sound/volt_reg.h"
#include "video/mc6845.h"
#include "screen.h"
@@ -440,8 +439,7 @@ static MACHINE_CONFIG_START( othello )
MCFG_SOUND_ROUTE(ALL_OUTPUTS, "speaker", 0.15)
MCFG_SOUND_ADD("dac", DAC_8BIT_R2R, 0) MCFG_SOUND_ROUTE(ALL_OUTPUTS, "speaker", 0.3) // 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
ROM_START( othello )