diff options
Diffstat (limited to 'src/mame/drivers/littlerb.cpp')
-rw-r--r-- | src/mame/drivers/littlerb.cpp | 20 |
1 files changed, 11 insertions, 9 deletions
diff --git a/src/mame/drivers/littlerb.cpp b/src/mame/drivers/littlerb.cpp index a2522b810e8..a0df0e65d2b 100644 --- a/src/mame/drivers/littlerb.cpp +++ b/src/mame/drivers/littlerb.cpp @@ -287,9 +287,10 @@ TIMER_DEVICE_CALLBACK_MEMBER(littlerb_state::littlerb_sound_step_cb) m_soundframe++; } -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) +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); INDER_VIDEO(config, m_indervid, 0); // XTAL(40'000'000) @@ -300,12 +301,13 @@ MACHINE_CONFIG_START(littlerb_state::littlerb) SPEAKER(config, "lspeaker").front_left(); SPEAKER(config, "rspeaker").front_right(); - 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 + 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.set_output(5.0); + 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); +} ROM_START( littlerb ) ROM_REGION( 0x100000, "maincpu", 0 ) /* 68000 Code */ |