diff options
Diffstat (limited to 'src/mame/drivers/coco12.cpp')
-rw-r--r-- | src/mame/drivers/coco12.cpp | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/src/mame/drivers/coco12.cpp b/src/mame/drivers/coco12.cpp index 78b5dcd5c23..1a195c299e1 100644 --- a/src/mame/drivers/coco12.cpp +++ b/src/mame/drivers/coco12.cpp @@ -386,8 +386,10 @@ MACHINE_CONFIG_START(coco_state::coco_sound) // 6-bit D/A: R10-15 = 10K, 20K, 40.2K, 80.6K, 162K, 324K (according to parts list); output also controls joysticks MCFG_DEVICE_ADD("dac", DAC_6BIT_BINARY_WEIGHTED, 0) MCFG_SOUND_ROUTE(ALL_OUTPUTS, "speaker", 0.125) - MCFG_DEVICE_ADD("vref", VOLTAGE_REGULATOR, 0) MCFG_VOLTAGE_REGULATOR_OUTPUT(5.0) - MCFG_SOUND_ROUTE(0, "dac", 1.0, DAC_VREF_POS_INPUT) MCFG_SOUND_ROUTE(0, "dac", -1.0, DAC_VREF_NEG_INPUT) + voltage_regulator_device &vref(VOLTAGE_REGULATOR(config, "vref")); + vref.set_output(5.0); + vref.add_route(0, "dac", 1.0, DAC_VREF_POS_INPUT); + vref.add_route(0, "dac", -1.0, DAC_VREF_NEG_INPUT); MCFG_SOUND_ROUTE(0, "sbs", 1.0, DAC_VREF_POS_INPUT) MCFG_SOUND_ROUTE(0, "sbs", -1.0, DAC_VREF_NEG_INPUT) // Single-bit sound: R22 = 10K |