diff options
Diffstat (limited to 'src/devices/bus/coco/coco_orch90.cpp')
-rw-r--r-- | src/devices/bus/coco/coco_orch90.cpp | 20 |
1 files changed, 13 insertions, 7 deletions
diff --git a/src/devices/bus/coco/coco_orch90.cpp b/src/devices/bus/coco/coco_orch90.cpp index 979acd423a1..2ad8afdaae1 100644 --- a/src/devices/bus/coco/coco_orch90.cpp +++ b/src/devices/bus/coco/coco_orch90.cpp @@ -92,6 +92,11 @@ namespace return memregion("eprom")->base(); } + virtual memory_region* get_cart_memregion() override + { + return memregion("eprom"); + } + private: WRITE8_MEMBER(write_left) { m_ldac->write(data); } WRITE8_MEMBER(write_right) { m_rdac->write(data); } @@ -107,15 +112,16 @@ namespace // MACHINE AND ROM DECLARATIONS //************************************************************************** -MACHINE_CONFIG_START(coco_orch90_device::device_add_mconfig) +void coco_orch90_device::device_add_mconfig(machine_config &config) +{ 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) // ls374.ic5 + r7 (8x20k) + r9 (8x10k) - MCFG_DEVICE_ADD("rdac", DAC_8BIT_R2R, 0) MCFG_SOUND_ROUTE(ALL_OUTPUTS, "rspeaker", 0.5) // ls374.ic4 + r6 (8x20k) + r8 (8x10k) - 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); // ls374.ic5 + r7 (8x20k) + r9 (8x10k) + DAC_8BIT_R2R(config, m_rdac, 0).add_route(ALL_OUTPUTS, "rspeaker", 0.5); // ls374.ic4 + r6 (8x20k) + r8 (8x10k) + 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); +} //************************************************************************** |