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Diffstat (limited to 'src/mame/drivers/hp95lx.cpp')
-rw-r--r--src/mame/drivers/hp95lx.cpp5
1 files changed, 0 insertions, 5 deletions
diff --git a/src/mame/drivers/hp95lx.cpp b/src/mame/drivers/hp95lx.cpp
index 2c8df7ad204..daf43bacd8f 100644
--- a/src/mame/drivers/hp95lx.cpp
+++ b/src/mame/drivers/hp95lx.cpp
@@ -66,7 +66,6 @@
#include "machine/bankdev.h"
#include "machine/ram.h"
#include "sound/dac.h"
-#include "sound/volt_reg.h"
#include "screen.h"
#include "emupal.h"
@@ -753,10 +752,6 @@ void hp95lx_state::hp95lx(machine_config &config)
SPEAKER(config, "speaker").front_center();
DAC_8BIT_R2R(config, m_dac, 0).add_route(ALL_OUTPUTS, "speaker", 0.5); // unknown DAC
- voltage_regulator_device &vref(VOLTAGE_REGULATOR(config, "vref", 0));
- vref.add_route(0, m_dac, 1.0, DAC_VREF_POS_INPUT);
- vref.add_route(0, m_dac, -1.0, DAC_VREF_NEG_INPUT);
-
// XXX When the AC adapter is plugged in, the LCD refresh rate is 73.14 Hz.
// XXX When the AC adapter is not plugged in (ie, running off of batteries) the refresh rate is 56.8 Hz.
SCREEN(config, m_screen, SCREEN_TYPE_LCD, rgb_t::white());