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Diffstat (limited to 'src/mame/drivers/trackfld.cpp')
-rw-r--r--src/mame/drivers/trackfld.cpp7
1 files changed, 0 insertions, 7 deletions
diff --git a/src/mame/drivers/trackfld.cpp b/src/mame/drivers/trackfld.cpp
index 4fdb8089b13..f2907d5e106 100644
--- a/src/mame/drivers/trackfld.cpp
+++ b/src/mame/drivers/trackfld.cpp
@@ -191,7 +191,6 @@ MAIN BOARD:
#include "machine/konami1.h"
#include "machine/nvram.h"
#include "machine/watchdog.h"
-#include "sound/volt_reg.h"
#include "speaker.h"
@@ -943,9 +942,6 @@ void trackfld_state::trackfld(machine_config &config)
TRACKFLD_AUDIO(config, m_soundbrd, 0, m_audiocpu, m_vlm);
DAC_8BIT_R2R(config, m_dac, 0).add_route(ALL_OUTPUTS, "speaker", 0.4); // ls374.8e + r34-r47(20k) + r35-r53(10k) + r54(20k) + upc324.8f
- voltage_regulator_device &vref(VOLTAGE_REGULATOR(config, "vref", 0));
- vref.add_route(0, "dac", 1.0, DAC_VREF_POS_INPUT);
- vref.add_route(0, "dac", -1.0, DAC_VREF_NEG_INPUT);
SN76496(config, m_sn, SOUND_CLOCK/8);
m_sn->add_route(ALL_OUTPUTS, "speaker", 1.0);
@@ -1018,9 +1014,6 @@ void trackfld_state::yieartf(machine_config &config)
TRACKFLD_AUDIO(config, m_soundbrd, 0, finder_base::DUMMY_TAG, m_vlm);
DAC_8BIT_R2R(config, m_dac, 0).add_route(ALL_OUTPUTS, "speaker", 0.4); // ls374.8e + r34-r47(20k) + r35-r53(10k) + r54(20k) + upc324.8f
- voltage_regulator_device &vref(VOLTAGE_REGULATOR(config, "vref", 0));
- vref.add_route(0, "dac", 1.0, DAC_VREF_POS_INPUT);
- vref.add_route(0, "dac", -1.0, DAC_VREF_NEG_INPUT);
SN76496(config, m_sn, MASTER_CLOCK/6/2);
m_sn->add_route(ALL_OUTPUTS, "speaker", 1.0);