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Diffstat (limited to 'src/mame/drivers/tsispch.cpp')
-rw-r--r--src/mame/drivers/tsispch.cpp4
1 files changed, 1 insertions, 3 deletions
diff --git a/src/mame/drivers/tsispch.cpp b/src/mame/drivers/tsispch.cpp
index ac131b6956d..61f0193d18e 100644
--- a/src/mame/drivers/tsispch.cpp
+++ b/src/mame/drivers/tsispch.cpp
@@ -117,7 +117,6 @@
#include "cpu/upd7725/upd7725.h"
#include "machine/i8251.h"
#include "sound/dac.h"
-#include "sound/volt_reg.h"
#include "speaker.h"
@@ -403,8 +402,7 @@ static MACHINE_CONFIG_START( prose2k )
/* sound hardware */
MCFG_SPEAKER_STANDARD_MONO("speaker")
MCFG_SOUND_ADD("dac", DAC_12BIT_R2R, 0) MCFG_SOUND_ROUTE(ALL_OUTPUTS, "speaker", 1.0) // unknown DAC (TODO: correctly figure out how the DAC works; apparently it is connected to the serial output of the upd7720, which will be "fun" to connect up)
- MCFG_DEVICE_ADD("vref", VOLTAGE_REGULATOR, 0) MCFG_VOLTAGE_REGULATOR_OUTPUT(5.0)
- MCFG_SOUND_ROUTE_EX(0, "dac", 1.0, DAC_VREF_POS_INPUT) MCFG_SOUND_ROUTE_EX(0, "dac", -1.0, DAC_VREF_NEG_INPUT)
+ MCFG_SOUND_REFERENCE_INPUT(DAC_VREF_POS_INPUT, 1.0) MCFG_SOUND_REFERENCE_INPUT(DAC_VREF_NEG_INPUT, -1.0)
MCFG_DEVICE_ADD(TERMINAL_TAG, GENERIC_TERMINAL, 0)
MCFG_GENERIC_TERMINAL_KEYBOARD_CB(DEVPUT("i8251a_u15", i8251_device, receive_character))