diff options
Diffstat (limited to 'src/mame/audio/n8080.cpp')
-rw-r--r-- | src/mame/audio/n8080.cpp | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/src/mame/audio/n8080.cpp b/src/mame/audio/n8080.cpp index 826101bdbc1..f3a27c3869c 100644 --- a/src/mame/audio/n8080.cpp +++ b/src/mame/audio/n8080.cpp @@ -8,6 +8,7 @@ #include "emu.h" #include "includes/n8080.h" +#include "sound/volt_reg.h" #include "speaker.h" @@ -489,7 +490,8 @@ MACHINE_CONFIG_START( spacefev_sound ) MCFG_SPEAKER_STANDARD_MONO("speaker") MCFG_SOUND_ADD("n8080_dac", DAC_1BIT, 0) MCFG_SOUND_ROUTE(ALL_OUTPUTS, "speaker", 0.15) - 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, "n8080_dac", 1.0, DAC_VREF_POS_INPUT) MCFG_SOUND_ADD("snsnd", SN76477, 0) MCFG_SN76477_NOISE_PARAMS(RES_K(36), RES_K(150), CAP_N(1)) // noise + filter @@ -526,7 +528,8 @@ MACHINE_CONFIG_START( sheriff_sound ) MCFG_SPEAKER_STANDARD_MONO("speaker") MCFG_SOUND_ADD("n8080_dac", DAC_1BIT, 0) MCFG_SOUND_ROUTE(ALL_OUTPUTS, "speaker", 0.15) - 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, "n8080_dac", 1.0, DAC_VREF_POS_INPUT) MCFG_SOUND_ADD("snsnd", SN76477, 0) MCFG_SN76477_NOISE_PARAMS(RES_K(36), RES_K(100), CAP_N(1)) // noise + filter @@ -566,5 +569,6 @@ MACHINE_CONFIG_START( helifire_sound ) /* sound hardware */ MCFG_SPEAKER_STANDARD_MONO("speaker") MCFG_SOUND_ADD("helifire_dac", DAC_8BIT_R2R, 0) MCFG_SOUND_ROUTE(ALL_OUTPUTS, "speaker", 0.15) // 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, "helifire_dac", 1.0, DAC_VREF_POS_INPUT) MCFG_SOUND_ROUTE_EX(0, "helifire_dac", -1.0, DAC_VREF_NEG_INPUT) MACHINE_CONFIG_END |