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Diffstat (limited to 'src/mame/drivers/namcos1.cpp')
-rw-r--r--src/mame/drivers/namcos1.cpp6
1 files changed, 4 insertions, 2 deletions
diff --git a/src/mame/drivers/namcos1.cpp b/src/mame/drivers/namcos1.cpp
index 867c1ef84d5..660b8b0afda 100644
--- a/src/mame/drivers/namcos1.cpp
+++ b/src/mame/drivers/namcos1.cpp
@@ -341,6 +341,7 @@ C - uses sub board with support for player 3 and 4 controls
#include "cpu/m6809/m6809.h"
#include "cpu/m6800/m6801.h"
#include "machine/nvram.h"
+#include "sound/volt_reg.h"
#include "sound/ym2151.h"
#include "screen.h"
#include "speaker.h"
@@ -1076,9 +1077,10 @@ static MACHINE_CONFIG_START( ns1 )
MCFG_SOUND_ROUTE(1, "rspeaker", 0.50)
MCFG_SOUND_ADD("dac0", DAC_8BIT_R2R, 0) MCFG_SOUND_ROUTE(ALL_OUTPUTS, "lspeaker", 0.5) MCFG_SOUND_ROUTE(ALL_OUTPUTS, "rspeaker", 0.5) // 10-pin 1Kx8R SIP with HC374 latch
- 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_8BIT_R2R, 0) MCFG_SOUND_ROUTE(ALL_OUTPUTS, "lspeaker", 0.5) MCFG_SOUND_ROUTE(ALL_OUTPUTS, "rspeaker", 0.5) // 10-pin 1Kx8R SIP with HC374 latch
- MCFG_SOUND_REFERENCE_INPUT(DAC_VREF_POS_INPUT, 1.0) MCFG_SOUND_REFERENCE_INPUT(DAC_VREF_NEG_INPUT, -1.0)
+ MCFG_DEVICE_ADD("vref", VOLTAGE_REGULATOR, 0) MCFG_VOLTAGE_REGULATOR_OUTPUT(5.0)
+ MCFG_SOUND_ROUTE_EX(0, "dac0", 1.0, DAC_VREF_POS_INPUT) MCFG_SOUND_ROUTE_EX(0, "dac0", -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)
MACHINE_CONFIG_END