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Diffstat (limited to 'src/mame/drivers/s8a.cpp')
-rw-r--r--src/mame/drivers/s8a.cpp4
1 files changed, 1 insertions, 3 deletions
diff --git a/src/mame/drivers/s8a.cpp b/src/mame/drivers/s8a.cpp
index 22bd0234379..c042e49777e 100644
--- a/src/mame/drivers/s8a.cpp
+++ b/src/mame/drivers/s8a.cpp
@@ -26,7 +26,6 @@ ToDo:
#include "cpu/m6800/m6800.h"
#include "machine/6821pia.h"
#include "sound/dac.h"
-#include "sound/volt_reg.h"
#include "speaker.h"
#include "s8a.lh"
@@ -328,8 +327,7 @@ static MACHINE_CONFIG_START( s8a )
MCFG_SPEAKER_STANDARD_MONO("speaker")
MCFG_SOUND_ADD("dac", MC1408, 0) MCFG_SOUND_ROUTE(ALL_OUTPUTS, "speaker", 0.5)
- 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)
MCFG_DEVICE_ADD("pias", PIA6821, 0)
MCFG_PIA_READPA_HANDLER(READ8(s8a_state, sound_r))