diff options
Diffstat (limited to 'src/devices/bus/cpc/magicsound.cpp')
-rw-r--r-- | src/devices/bus/cpc/magicsound.cpp | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/src/devices/bus/cpc/magicsound.cpp b/src/devices/bus/cpc/magicsound.cpp index f1a940a72c3..3d665d93800 100644 --- a/src/devices/bus/cpc/magicsound.cpp +++ b/src/devices/bus/cpc/magicsound.cpp @@ -20,7 +20,8 @@ DEFINE_DEVICE_TYPE(AL_MAGICSOUND, al_magicsound_device, "al_magicsound", "Aleste Magic Sound Board") -MACHINE_CONFIG_START(al_magicsound_device::device_add_mconfig) +void al_magicsound_device::device_add_mconfig(machine_config &config) +{ AM9517A(config, m_dmac, DERIVED_CLOCK(1, 1)); // CLK from expansion port // According to the schematics, the TC pin (EOP on western chips) is connected to NMI on the expansion port. // NMIs seem to occur too quickly when this is active, so either EOP is not triggered at the correct time, or @@ -57,11 +58,13 @@ MACHINE_CONFIG_START(al_magicsound_device::device_add_mconfig) m_timer2->set_clk<2>(4000000); SPEAKER(config, "speaker").front_center(); - MCFG_DEVICE_ADD("dac", DAC_8BIT_R2R, 0) MCFG_SOUND_ROUTE(ALL_OUTPUTS, "speaker", 0.5) // unknown DAC - 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) + DAC_8BIT_R2R(config, m_dac, 0).add_route(ALL_OUTPUTS, "speaker", 0.5); // unknown DAC + 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); // no pass-through(?) -MACHINE_CONFIG_END +} //************************************************************************** |