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Diffstat (limited to 'src/mame/drivers/atari_s2.cpp')
-rw-r--r--src/mame/drivers/atari_s2.cpp6
1 files changed, 2 insertions, 4 deletions
diff --git a/src/mame/drivers/atari_s2.cpp b/src/mame/drivers/atari_s2.cpp
index 7ca3b2b1628..a447acdceb2 100644
--- a/src/mame/drivers/atari_s2.cpp
+++ b/src/mame/drivers/atari_s2.cpp
@@ -28,7 +28,6 @@ ToDo:
#include "machine/timer.h"
#include "machine/watchdog.h"
#include "sound/dac.h"
-#include "sound/volt_reg.h"
#include "speaker.h"
#include "atari_s2.lh"
@@ -477,10 +476,9 @@ static MACHINE_CONFIG_START( atari_s2 )
MCFG_SPEAKER_STANDARD_MONO("speaker")
MCFG_SOUND_ADD("dac", DAC_4BIT_BINARY_WEIGHTED, 0) MCFG_SOUND_ROUTE(ALL_OUTPUTS, "speaker", 0.15) // r23-r26 (68k,33k,18k,8.2k)
+ MCFG_SOUND_REFERENCE_INPUT(DAC_VREF_POS_INPUT, 1.0) MCFG_SOUND_REFERENCE_INPUT(DAC_VREF_NEG_INPUT, -1.0)
MCFG_SOUND_ADD("dac1", DAC_3BIT_BINARY_WEIGHTED, 0) MCFG_SOUND_ROUTE(ALL_OUTPUTS, "speaker", 0.15) // r18-r20 (100k,47k,100k)
- 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_ROUTE_EX(0, "dac1", 1.0, DAC_VREF_POS_INPUT) MCFG_SOUND_ROUTE_EX(0, "dac1", -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)
/* Video */
MCFG_DEFAULT_LAYOUT(layout_atari_s2)