diff options
Diffstat (limited to 'src/mame/drivers/microvsn.cpp')
-rw-r--r-- | src/mame/drivers/microvsn.cpp | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/src/mame/drivers/microvsn.cpp b/src/mame/drivers/microvsn.cpp index 4143a0c4360..e2e650aed09 100644 --- a/src/mame/drivers/microvsn.cpp +++ b/src/mame/drivers/microvsn.cpp @@ -21,6 +21,7 @@ of the games were clocked at around 500KHz, 550KHz, or 300KHz. #include "cpu/mcs48/mcs48.h" #include "cpu/tms1000/tms1100.h" #include "sound/dac.h" +#include "sound/volt_reg.h" #include "rendlay.h" #include "softlist.h" #include "screen.h" @@ -672,7 +673,8 @@ static MACHINE_CONFIG_START( microvision ) /* sound hardware */ MCFG_SPEAKER_STANDARD_MONO("speaker") MCFG_SOUND_ADD("dac", DAC_2BIT_BINARY_WEIGHTED_ONES_COMPLEMENT, 0) MCFG_SOUND_ROUTE(ALL_OUTPUTS, "speaker", 0.25) // 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_GENERIC_CARTSLOT_ADD("cartslot", generic_plain_slot, "microvision_cart") MCFG_GENERIC_MANDATORY |