diff options
Diffstat (limited to 'src/mame/drivers/littlerb.cpp')
-rw-r--r-- | src/mame/drivers/littlerb.cpp | 23 |
1 files changed, 11 insertions, 12 deletions
diff --git a/src/mame/drivers/littlerb.cpp b/src/mame/drivers/littlerb.cpp index 5c5c206ca69..4573075593e 100644 --- a/src/mame/drivers/littlerb.cpp +++ b/src/mame/drivers/littlerb.cpp @@ -287,26 +287,25 @@ TIMER_DEVICE_CALLBACK_MEMBER(littlerb_state::littlerb_sound_step_cb) m_soundframe++; } -void littlerb_state::littlerb(machine_config &config) -{ - M68000(config, m_maincpu, XTAL(16'000'000)/2); // 10MHz rated part, near 16Mhz XTAL - m_maincpu->set_addrmap(AS_PROGRAM, &littlerb_state::littlerb_main); +MACHINE_CONFIG_START(littlerb_state::littlerb) + MCFG_DEVICE_ADD("maincpu", M68000, XTAL(16'000'000)/2) // 10MHz rated part, near 16Mhz XTAL + MCFG_DEVICE_PROGRAM_MAP(littlerb_main) INDER_VIDEO(config, m_indervid, 0); // XTAL(40'000'000) // TODO: not accurate - driven by XTAL(6'000'000)? - TIMER(config, "step_timer").configure_periodic(FUNC(littlerb_state::littlerb_sound_step_cb), attotime::from_hz(7500/150)); - TIMER(config, "sound_timer").configure_periodic(FUNC(littlerb_state::littlerb_sound_cb), attotime::from_hz(7500)); + MCFG_TIMER_DRIVER_ADD_PERIODIC("step_timer", littlerb_state, littlerb_sound_step_cb, attotime::from_hz(7500/150)) + MCFG_TIMER_DRIVER_ADD_PERIODIC("sound_timer", littlerb_state, littlerb_sound_cb, attotime::from_hz(7500)) SPEAKER(config, "lspeaker").front_left(); SPEAKER(config, "rspeaker").front_right(); - DAC_8BIT_R2R(config, m_ldac, 0).add_route(ALL_OUTPUTS, "lspeaker", 0.5); // unknown DAC - DAC_8BIT_R2R(config, m_rdac, 0).add_route(ALL_OUTPUTS, "rspeaker", 0.5); // unknown DAC - voltage_regulator_device &vref(VOLTAGE_REGULATOR(config, "vref")); - vref.add_route(0, "ldac", 1.0, DAC_VREF_POS_INPUT); vref.add_route(0, "ldac", -1.0, DAC_VREF_NEG_INPUT); - vref.add_route(0, "rdac", 1.0, DAC_VREF_POS_INPUT); vref.add_route(0, "rdac", -1.0, DAC_VREF_NEG_INPUT); -} + MCFG_DEVICE_ADD("ldac", DAC_8BIT_R2R, 0) MCFG_SOUND_ROUTE(ALL_OUTPUTS, "lspeaker", 0.5) // unknown DAC + MCFG_DEVICE_ADD("rdac", DAC_8BIT_R2R, 0) MCFG_SOUND_ROUTE(ALL_OUTPUTS, "rspeaker", 0.5) // unknown DAC + MCFG_DEVICE_ADD("vref", VOLTAGE_REGULATOR, 0) MCFG_VOLTAGE_REGULATOR_OUTPUT(5.0) + MCFG_SOUND_ROUTE(0, "ldac", 1.0, DAC_VREF_POS_INPUT) MCFG_SOUND_ROUTE(0, "ldac", -1.0, DAC_VREF_NEG_INPUT) + MCFG_SOUND_ROUTE(0, "rdac", 1.0, DAC_VREF_POS_INPUT) MCFG_SOUND_ROUTE(0, "rdac", -1.0, DAC_VREF_NEG_INPUT) +MACHINE_CONFIG_END ROM_START( littlerb ) ROM_REGION( 0x100000, "maincpu", 0 ) /* 68000 Code */ |