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Diffstat (limited to 'src/mame/drivers/coolpool.cpp')
-rw-r--r--src/mame/drivers/coolpool.cpp7
1 files changed, 0 insertions, 7 deletions
diff --git a/src/mame/drivers/coolpool.cpp b/src/mame/drivers/coolpool.cpp
index f5fad8a2a87..576bec7aff8 100644
--- a/src/mame/drivers/coolpool.cpp
+++ b/src/mame/drivers/coolpool.cpp
@@ -35,7 +35,6 @@
#include "cpu/tms32025/tms32025.h"
#include "machine/nvram.h"
#include "sound/dac.h"
-#include "sound/volt_reg.h"
#include "screen.h"
#include "speaker.h"
@@ -745,9 +744,6 @@ void coolpool_state::amerdart(machine_config &config)
/* sound hardware */
SPEAKER(config, "speaker").front_center();
MP1210(config, "dac", 0).add_route(ALL_OUTPUTS, "speaker", 1.0);
- voltage_regulator_device &vref(VOLTAGE_REGULATOR(config, "vref"));
- vref.add_route(0, "dac", 1.0, DAC_VREF_POS_INPUT);
- vref.add_route(0, "dac", -1.0, DAC_VREF_NEG_INPUT);
}
@@ -793,9 +789,6 @@ void coolpool_state::coolpool(machine_config &config)
/* sound hardware */
SPEAKER(config, "speaker").front_center();
MP1210(config, "dac", 0).add_route(ALL_OUTPUTS, "speaker", 1.0);
- voltage_regulator_device &vref(VOLTAGE_REGULATOR(config, "vref"));
- vref.add_route(0, "dac", 1.0, DAC_VREF_POS_INPUT);
- vref.add_route(0, "dac", -1.0, DAC_VREF_NEG_INPUT);
}