diff options
Diffstat (limited to 'src/mame/drivers/junofrst.cpp')
-rw-r--r-- | src/mame/drivers/junofrst.cpp | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/src/mame/drivers/junofrst.cpp b/src/mame/drivers/junofrst.cpp index 17ca01f3abe..2b7d3878f1f 100644 --- a/src/mame/drivers/junofrst.cpp +++ b/src/mame/drivers/junofrst.cpp @@ -93,6 +93,7 @@ Blitter source graphics #include "sound/ay8910.h" #include "sound/dac.h" #include "sound/flt_rc.h" +#include "sound/volt_reg.h" #include "screen.h" #include "speaker.h" @@ -437,7 +438,8 @@ static MACHINE_CONFIG_START( junofrst ) MCFG_SOUND_ROUTE(2, "filter.0.2", 0.30) MCFG_SOUND_ADD("dac", DAC_8BIT_R2R, 0) MCFG_SOUND_ROUTE(ALL_OUTPUTS, "speaker", 0.25) // 100K (R56-63)/200K (R64-71) ladder network - 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_FILTER_RC_ADD("filter.0.0", 0) MCFG_SOUND_ROUTE(ALL_OUTPUTS, "speaker", 1.0) |