summaryrefslogtreecommitdiffstatshomepage
path: root/src/mame/drivers/camplynx.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'src/mame/drivers/camplynx.cpp')
-rw-r--r--src/mame/drivers/camplynx.cpp4
1 files changed, 3 insertions, 1 deletions
diff --git a/src/mame/drivers/camplynx.cpp b/src/mame/drivers/camplynx.cpp
index e7bafbab0d8..f0c76d77eab 100644
--- a/src/mame/drivers/camplynx.cpp
+++ b/src/mame/drivers/camplynx.cpp
@@ -122,6 +122,7 @@
#include "imagedev/cassette.h"
#include "machine/wd_fdc.h"
#include "sound/dac.h"
+#include "sound/volt_reg.h"
#include "sound/wave.h"
#include "video/mc6845.h"
@@ -794,7 +795,8 @@ static MACHINE_CONFIG_START( lynx_common )
/* sound hardware */
MCFG_SPEAKER_STANDARD_MONO("speaker")
MCFG_SOUND_ADD("dac", DAC_6BIT_R2R, 0) MCFG_SOUND_ROUTE(ALL_OUTPUTS, "speaker", 0.375) // unknown DAC
- MCFG_SOUND_REFERENCE_INPUT(DAC_VREF_POS_INPUT, 1.0) MCFG_SOUND_REFERENCE_INPUT(DAC_VREF_NEG_INPUT, -1.0)
+ 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_WAVE_ADD(WAVE_TAG, "cassette")
MCFG_SOUND_ROUTE(ALL_OUTPUTS, "speaker", 0.02)
MACHINE_CONFIG_END