diff options
-rw-r--r-- | src/devices/bus/a2bus/a2mockingboard.cpp | 26 | ||||
-rw-r--r-- | src/devices/bus/a2bus/a2mockingboard.h | 2 |
2 files changed, 24 insertions, 4 deletions
diff --git a/src/devices/bus/a2bus/a2mockingboard.cpp b/src/devices/bus/a2bus/a2mockingboard.cpp index 2aac998b9f7..c7f5fda534d 100644 --- a/src/devices/bus/a2bus/a2mockingboard.cpp +++ b/src/devices/bus/a2bus/a2mockingboard.cpp @@ -89,10 +89,9 @@ void a2bus_phasor_device::device_add_mconfig(machine_config &config) SPEAKER(config, "lspeaker2").front_left(); SPEAKER(config, "rspeaker2").front_right(); - m_ay1->set_clock(1022727*2); - AY8913(config, m_ay2, 1022727*2); - AY8913(config, m_ay3, 1022727*2); - AY8913(config, m_ay4, 1022727*2); + AY8913(config, m_ay2, 1022727); + AY8913(config, m_ay3, 1022727); + AY8913(config, m_ay4, 1022727); m_ay2->add_route(ALL_OUTPUTS, "lspeaker2", 0.5); m_ay3->add_route(ALL_OUTPUTS, "rspeaker", 0.5); m_ay4->add_route(ALL_OUTPUTS, "rspeaker2", 0.5); @@ -415,16 +414,35 @@ void a2bus_phasor_device::via2_out_b(uint8_t data) } } +void a2bus_phasor_device::set_clocks() +{ + if (m_native) + { + m_ay1->set_clock(1022727*2); + m_ay2->set_clock(1022727*2); + m_ay3->set_clock(1022727*2); + m_ay4->set_clock(1022727*2); + } + else + { + m_ay1->set_clock(1022727); + m_ay2->set_clock(1022727); + m_ay3->set_clock(1022727); + m_ay4->set_clock(1022727); + } +} uint8_t a2bus_phasor_device::read_c0nx(uint8_t offset) { m_native = BIT(offset, 0); + set_clocks(); return 0xff; } void a2bus_phasor_device::write_c0nx(uint8_t offset, uint8_t data) { m_native = BIT(offset, 0); + set_clocks(); } uint8_t a2bus_echoplus_device::read_c0nx(uint8_t offset) diff --git a/src/devices/bus/a2bus/a2mockingboard.h b/src/devices/bus/a2bus/a2mockingboard.h index 6d4aa8e73af..44acff10006 100644 --- a/src/devices/bus/a2bus/a2mockingboard.h +++ b/src/devices/bus/a2bus/a2mockingboard.h @@ -97,6 +97,8 @@ protected: required_device<ay8913_device> m_ay4; private: + void set_clocks(); + bool m_native; }; |