// license:BSD-3-Clause // copyright-holders:AJR /**************************************************************************** Skeleton driver for Korg Z3 synthesizer. ****************************************************************************/ #include "emu.h" #include "cpu/m6800/m6801.h" #include "cpu/nec/nec.h" #include "machine/adc0808.h" #include "machine/nvram.h" #include "machine/pic8259.h" #include "sound/ym2151.h" #include "speaker.h" class korgz3_state : public driver_device { public: korgz3_state(const machine_config &mconfig, device_type type, const char *tag) : driver_device(mconfig, type, tag) , m_maincpu(*this, "maincpu") , m_synthcpu(*this, "synthcpu") , m_adc(*this, "adc") , m_p5(0) , m_adc_port(0) { } void korgz3(machine_config &config); protected: virtual void machine_start() override; private: void p5_w(u8 data); u8 adc_port_r(); void adc_port_w(u8 data); void main_map(address_map &map); void io_map(address_map &map); void synth_map(address_map &map); required_device m_maincpu; required_device m_synthcpu; required_device m_adc; u8 m_p5; u8 m_adc_port; }; void korgz3_state::machine_start() { save_item(NAME(m_p5)); save_item(NAME(m_adc_port)); } void korgz3_state::p5_w(u8 data) { m_adc->start_w(BIT(data, 5)); if (BIT(data, 6) && !BIT(m_p5, 6)) m_adc->address_w(m_adc_port & 0x07); m_p5 = data; } u8 korgz3_state::adc_port_r() { if (BIT(m_p5, 7)) return m_adc->data_r(); return 0xff; } void korgz3_state::adc_port_w(u8 data) { m_adc_port = data; } void korgz3_state::main_map(address_map &map) { map(0x00000, 0x07fff).ram(); map(0xfc000, 0xfffff).rom().region("v30_program", 0xc000); } void korgz3_state::io_map(address_map &map) { map(0x0010, 0x0013).rw("pic", FUNC(pic8259_device::read), FUNC(pic8259_device::write)).umask16(0x00ff); } void korgz3_state::synth_map(address_map &map) { map(0x0000, 0x0027).m(m_synthcpu, FUNC(hd6301y_cpu_device::hd6301y_io)); map(0x0040, 0x013f).ram(); map(0x2000, 0x2000).nopr(); map(0x3800, 0x3801).rw("ymsnd", FUNC(ym2414_device::read), FUNC(ym2414_device::write)); map(0x4000, 0x7fff).ram().share("nvram"); map(0x8000, 0xffff).rom().region("hd6303_program", 0); } static INPUT_PORTS_START(korgz3) INPUT_PORTS_END void korgz3_state::korgz3(machine_config &config) { // All clocks unknown V30(config, m_maincpu, 8'000'000); // D70116C-8 m_maincpu->set_addrmap(AS_PROGRAM, &korgz3_state::main_map); m_maincpu->set_addrmap(AS_IO, &korgz3_state::io_map); m_maincpu->set_irq_acknowledge_callback("pic", FUNC(pic8259_device::inta_cb)); pic8259_device &pic(PIC8259(config, "pic")); // not visible on PCB; part of MB603112 ASIC? pic.out_int_callback().set_inputline(m_maincpu, 0); HD6303Y(config, m_synthcpu, 12'000'000); // HD63C03YP m_synthcpu->set_addrmap(AS_PROGRAM, &korgz3_state::synth_map); m_synthcpu->out_p5_cb().set(FUNC(korgz3_state::p5_w)); m_synthcpu->in_p6_cb().set(FUNC(korgz3_state::adc_port_r)); m_synthcpu->out_p6_cb().set(FUNC(korgz3_state::adc_port_w)); NVRAM(config, "nvram", nvram_device::DEFAULT_ALL_0); // D43256AC-12LL + battery M58990(config, m_adc, 1'000'000); // M58990P-1 SPEAKER(config, "lspeaker").front_left(); SPEAKER(config, "rspeaker").front_right(); ym2414_device &ymsnd(YM2414(config, "ymsnd", 3'579'545)); // YM2414B ymsnd.add_route(0, "lspeaker", 0.60); ymsnd.add_route(1, "rspeaker", 0.60); } ROM_START(korgz3) ROM_REGION16_LE(0x10000, "v30_program", 0) ROM_LOAD16_BYTE("881405.ic5", 0x00000, 0x08000, CRC(16467e6f) SHA1(b83e10609ef0a2b095f73b1580810736fd56f693)) ROM_LOAD16_BYTE("881505.ic4", 0x00001, 0x08000, CRC(9899a1de) SHA1(99dafee8061d3397b99f39ae74ae684fb5a1b495)) ROM_REGION(0x8000, "hd6303_program", 0) ROM_LOAD("881605.ic13", 0x0000, 0x8000, CRC(39ca77fa) SHA1(b9073ef1dfad7f9d07558d2389875ebe26835068)) ROM_END SYST(1988, korgz3, 0, 0, korgz3, korgz3, korgz3_state, empty_init, "Korg", "Z3 Guitar Synthesizer", MACHINE_IS_SKELETON)