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Diffstat (limited to 'src/mame/drivers/calchase.cpp')
-rw-r--r--src/mame/drivers/calchase.cpp7
1 files changed, 0 insertions, 7 deletions
diff --git a/src/mame/drivers/calchase.cpp b/src/mame/drivers/calchase.cpp
index d0ec40da6bb..3b71cc8ef9f 100644
--- a/src/mame/drivers/calchase.cpp
+++ b/src/mame/drivers/calchase.cpp
@@ -140,7 +140,6 @@ something wrong in the disk geometry reported by calchase.chd (20,255,63) since
#include "machine/ds128x.h"
#include "machine/nvram.h"
#include "sound/dac.h"
-#include "sound/volt_reg.h"
#include "video/pc_vga.h"
#include "screen.h"
#include "speaker.h"
@@ -659,9 +658,6 @@ void calchase_state::calchase(machine_config &config)
SPEAKER(config, "rspeaker").front_right();
DAC_12BIT_R2R(config, "ldac", 0).add_route(ALL_OUTPUTS, "lspeaker", 0.25); // unknown DAC
DAC_12BIT_R2R(config, "rdac", 0).add_route(ALL_OUTPUTS, "rspeaker", 0.25); // unknown DAC
- voltage_regulator_device &vref(VOLTAGE_REGULATOR(config, "vref"));
- vref.add_route(0, "ldac", 1.0, DAC_VREF_POS_INPUT); vref.add_route(0, "ldac", -1.0, DAC_VREF_NEG_INPUT);
- vref.add_route(0, "rdac", 1.0, DAC_VREF_POS_INPUT); vref.add_route(0, "rdac", -1.0, DAC_VREF_NEG_INPUT);
}
void calchase_state::hostinv(machine_config &config)
@@ -690,9 +686,6 @@ void calchase_state::hostinv(machine_config &config)
SPEAKER(config, "rspeaker").front_right();
DAC_12BIT_R2R(config, "ldac", 0).add_route(ALL_OUTPUTS, "lspeaker", 0.25); // unknown DAC
DAC_12BIT_R2R(config, "rdac", 0).add_route(ALL_OUTPUTS, "rspeaker", 0.25); // unknown DAC
- voltage_regulator_device &vref(VOLTAGE_REGULATOR(config, "vref"));
- vref.add_route(0, "ldac", 1.0, DAC_VREF_POS_INPUT); vref.add_route(0, "ldac", -1.0, DAC_VREF_NEG_INPUT);
- vref.add_route(0, "rdac", 1.0, DAC_VREF_POS_INPUT); vref.add_route(0, "rdac", -1.0, DAC_VREF_NEG_INPUT);
}