New machines marked as NOT_WORKING

----------------------------------
Korg Z3 Guitar Synthesizer [DBWBP]

scripts/target/mame/mess.lua

@@ -2648,6 +2648,7 @@ files {
 	MAME_DIR .. "src/mame/drivers/korgdss1.cpp",
 	MAME_DIR .. "src/mame/drivers/korgdw8k.cpp",
 	MAME_DIR .. "src/mame/drivers/korgm1.cpp",
+	MAME_DIR .. "src/mame/drivers/korgz3.cpp",
 	MAME_DIR .. "src/mame/drivers/poly800.cpp",
 	MAME_DIR .. "src/mame/drivers/polysix.cpp",
 }

src/mame/drivers/korgz3.cpp

@@ -0,0 +1,140 @@
+// 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"
+
+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<v30_device> m_maincpu;
+	required_device<hd6301y_cpu_device> m_synthcpu;
+	required_device<adc0808_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
+
+	//YM2414(config, "ymsnd", ?'???'???); // YM2414B
+}
+
+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)

src/mame/mame.lst

@@ -18750,6 +18750,9 @@ korgm1p1                        //
 korgm1r                         //
 korgm1rex                       //
 
+@source:korgz3.cpp
+korgz3                          //
+
 @source:kramermc.cpp
 kramermc                        // 1987 Kramer MC
 

src/mame/mess.flt

@@ -451,6 +451,7 @@ korgds8.cpp
 korgdss1.cpp
 korgdw8k.cpp
 korgm1.cpp
+korgz3.cpp
 kramermc.cpp
 krokha.cpp
 kron.cpp