diff options
Diffstat (limited to 'src/mame/drivers/ppmast93.cpp')
-rw-r--r-- | src/mame/drivers/ppmast93.cpp | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/src/mame/drivers/ppmast93.cpp b/src/mame/drivers/ppmast93.cpp index b1a5de6c302..17b319e10ec 100644 --- a/src/mame/drivers/ppmast93.cpp +++ b/src/mame/drivers/ppmast93.cpp @@ -135,6 +135,7 @@ Dip locations added based on the notes above. #include "cpu/z80/z80.h" #include "machine/gen_latch.h" #include "sound/dac.h" +#include "sound/volt_reg.h" #include "sound/ym2413.h" #include "screen.h" #include "speaker.h" @@ -393,7 +394,8 @@ static MACHINE_CONFIG_START( ppmast93 ) MCFG_SOUND_ROUTE(ALL_OUTPUTS, "speaker", 1.0) MCFG_SOUND_ADD("dac", DAC_8BIT_R2R, 0) MCFG_SOUND_ROUTE(ALL_OUTPUTS, "speaker", 0.3) // 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) MACHINE_CONFIG_END ROM_START( ppmast93 ) |