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Diffstat (limited to 'src/mame/drivers/vectrex.cpp')
-rw-r--r--src/mame/drivers/vectrex.cpp4
1 files changed, 0 insertions, 4 deletions
diff --git a/src/mame/drivers/vectrex.cpp b/src/mame/drivers/vectrex.cpp
index 3b5aaaa1e4d..bbb5ddf98e1 100644
--- a/src/mame/drivers/vectrex.cpp
+++ b/src/mame/drivers/vectrex.cpp
@@ -17,7 +17,6 @@ Bruce Tomlin (hardware info)
#include "machine/6522via.h"
#include "machine/nvram.h"
#include "sound/ay8910.h"
-#include "sound/volt_reg.h"
#include "video/vector.h"
#include "softlist.h"
@@ -112,9 +111,6 @@ void vectrex_base_state::vectrex_base(machine_config &config)
/* sound hardware */
SPEAKER(config, "speaker").front_center();
MC1408(config, m_dac, 0).add_route(ALL_OUTPUTS, "speaker", 0.25); // mc1408.ic301 (also used for vector generation)
- voltage_regulator_device &vreg(VOLTAGE_REGULATOR(config, "vref", 0));
- vreg.add_route(0, "dac", 1.0, DAC_VREF_POS_INPUT);
- vreg.add_route(0, "dac", -1.0, DAC_VREF_NEG_INPUT);
AY8912(config, m_ay8912, 6_MHz_XTAL / 4);
m_ay8912->port_a_read_callback().set_ioport("BUTTONS");