diff options
Diffstat (limited to 'src/mame/drivers/murogem.cpp')
-rw-r--r-- | src/mame/drivers/murogem.cpp | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/src/mame/drivers/murogem.cpp b/src/mame/drivers/murogem.cpp index 4f22c2aba2f..37adb074bc2 100644 --- a/src/mame/drivers/murogem.cpp +++ b/src/mame/drivers/murogem.cpp @@ -109,6 +109,7 @@ val (hex): 27 20 22 04 26 00 20 20 00 07 00 00 80 00 00 00 ns #include "emu.h" #include "cpu/m6800/m6800.h" #include "sound/dac.h" +#include "sound/volt_reg.h" #include "video/mc6845.h" #include "screen.h" #include "speaker.h" @@ -270,7 +271,8 @@ static MACHINE_CONFIG_START( murogem ) /* sound hardware */ MCFG_SPEAKER_STANDARD_MONO("speaker") MCFG_SOUND_ADD("dac", DAC_1BIT, 0) MCFG_SOUND_ROUTE(ALL_OUTPUTS, "speaker", 0.375) - MCFG_SOUND_REFERENCE_INPUT(DAC_VREF_POS_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) MACHINE_CONFIG_END |