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Diffstat (limited to 'src/mame/drivers/mk14.cpp')
-rw-r--r--src/mame/drivers/mk14.cpp6
1 files changed, 2 insertions, 4 deletions
diff --git a/src/mame/drivers/mk14.cpp b/src/mame/drivers/mk14.cpp
index 66b9d32920f..83ced702925 100644
--- a/src/mame/drivers/mk14.cpp
+++ b/src/mame/drivers/mk14.cpp
@@ -38,7 +38,6 @@ ToDo:
#include "imagedev/cassette.h"
#include "machine/ins8154.h"
#include "sound/dac.h"
-#include "sound/volt_reg.h"
#include "sound/wave.h"
#include "speaker.h"
@@ -203,10 +202,9 @@ static MACHINE_CONFIG_START( mk14 )
MCFG_SOUND_WAVE_ADD(WAVE_TAG, "cassette")
MCFG_SOUND_ROUTE(ALL_OUTPUTS, "speaker", 0.05)
MCFG_SOUND_ADD("dac", DAC_1BIT, 0) MCFG_SOUND_ROUTE(ALL_OUTPUTS, "speaker", 0.25)
+ MCFG_SOUND_REFERENCE_INPUT(DAC_VREF_POS_INPUT, 1.0)
MCFG_SOUND_ADD("dac8", ZN425E, 0) MCFG_SOUND_ROUTE(ALL_OUTPUTS, "speaker", 0.5) // Ferranti ZN425E
- 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, "dac8", 1.0, DAC_VREF_POS_INPUT) MCFG_SOUND_ROUTE_EX(0, "dac8", -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)
/* devices */
MCFG_DEVICE_ADD("ic8", INS8154, 0)