bus/archimedes/econet: Added MIDI devices:

- The Serial Port MIDI Interface
- The Serial Port Sampler and MIDI Interface

scripts/src/bus.lua

@@ -325,6 +325,8 @@ if (BUSES["ARCHIMEDES_ECONET"]~=null) then
 		MAME_DIR .. "src/devices/bus/archimedes/econet/slot.h",
 		MAME_DIR .. "src/devices/bus/archimedes/econet/econet.cpp",
 		MAME_DIR .. "src/devices/bus/archimedes/econet/econet.h",
+		MAME_DIR .. "src/devices/bus/archimedes/econet/midi.cpp",
+		MAME_DIR .. "src/devices/bus/archimedes/econet/midi.h",
 		MAME_DIR .. "src/devices/bus/archimedes/econet/rtfmjoy.cpp",
 		MAME_DIR .. "src/devices/bus/archimedes/econet/rtfmjoy.h",
 	}

src/devices/bus/archimedes/econet/midi.cpp

@@ -0,0 +1,100 @@
+// license:BSD-3-Clause
+// copyright-holders:Nigel Barnes
+/**********************************************************************
+
+    The Serial Port MIDI Interface
+
+    http://chrisacorns.computinghistory.org.uk/32bit_UpgradesH2Z/TheSerialPort_MIDI.html
+
+    The Serial Port Sampler and MIDI Interface
+
+    http://chrisacorns.computinghistory.org.uk/32bit_UpgradesH2Z/TheSerialPort_SamplerMIDI.html
+
+    TODO:
+    - add sampler using ZN439E
+
+**********************************************************************/
+
+#include "emu.h"
+#include "midi.h"
+#include "bus/midi/midi.h"
+
+
+//**************************************************************************
+//  DEVICE DEFINITIONS
+//**************************************************************************
+
+DEFINE_DEVICE_TYPE(ARC_SERIAL_MIDI, arc_serial_midi_device, "arc_serial_midi", "The Serial Port MIDI Interface");
+DEFINE_DEVICE_TYPE(ARC_SERIAL_SAMPLER, arc_serial_sampler_device, "arc_serial_sampler", "The Serial Port Sampler and MIDI Interface");
+
+
+//-------------------------------------------------
+//  device_add_mconfig - add device configuration
+//-------------------------------------------------
+
+void arc_serial_midi_device::device_add_mconfig(machine_config &config)
+{
+	MC6854(config, m_adlc);
+	m_adlc->out_txd_cb().set("mdout", FUNC(midi_port_device::write_txd));
+	m_adlc->out_irq_cb().set(DEVICE_SELF_OWNER, FUNC(archimedes_econet_slot_device::efiq_w));
+
+	midi_port_device &mdin(MIDI_PORT(config, "mdin", midiin_slot, "midiin"));
+	mdin.rxd_handler().set(m_adlc, FUNC(mc6854_device::set_rx));
+	MIDI_PORT(config, "mdout", midiout_slot, "midiout");
+}
+
+void arc_serial_sampler_device::device_add_mconfig(machine_config &config)
+{
+	arc_serial_midi_device::device_add_mconfig(config);
+
+	// ZN439E
+}
+
+
+//**************************************************************************
+//  LIVE DEVICE
+//**************************************************************************
+
+//-------------------------------------------------
+//  arc_serial_midi_device - constructor
+//-------------------------------------------------
+
+arc_serial_midi_device::arc_serial_midi_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, u32 clock)
+	: device_t(mconfig, type, tag, owner, clock)
+	, device_archimedes_econet_interface(mconfig, *this)
+	, m_adlc(*this, "mc6854")
+{
+}
+
+arc_serial_midi_device::arc_serial_midi_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock)
+	: arc_serial_midi_device(mconfig, ARC_SERIAL_MIDI, tag, owner, clock)
+{
+}
+
+arc_serial_sampler_device::arc_serial_sampler_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock)
+	: arc_serial_midi_device(mconfig, ARC_SERIAL_SAMPLER, tag, owner, clock)
+{
+}
+
+
+//-------------------------------------------------
+//  device_start - device-specific startup
+//-------------------------------------------------
+
+void arc_serial_midi_device::device_start()
+{
+}
+
+//**************************************************************************
+//  IMPLEMENTATION
+//**************************************************************************
+
+u8 arc_serial_midi_device::read(offs_t offset)
+{
+	return m_adlc->read(offset);
+}
+
+void arc_serial_midi_device::write(offs_t offset, u8 data)
+{
+	m_adlc->write(offset, data);
+}

src/devices/bus/archimedes/econet/midi.h

@@ -0,0 +1,73 @@
+// license:BSD-3-Clause
+// copyright-holders:Nigel Barnes
+/**********************************************************************
+
+    The Serial Port MIDI Interface
+
+**********************************************************************/
+
+
+#ifndef MAME_BUS_ARCHIMEDES_ECONET_MIDI_H
+#define MAME_BUS_ARCHIMEDES_ECONET_MIDI_H
+
+#pragma once
+
+
+#include "slot.h"
+#include "machine/mc6854.h"
+
+
+//**************************************************************************
+//  TYPE DEFINITIONS
+//**************************************************************************
+
+// ======================> arc_serial_midi_device
+
+class arc_serial_midi_device:
+	public device_t,
+	public device_archimedes_econet_interface
+{
+public:
+	// construction/destruction
+	arc_serial_midi_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock);
+
+protected:
+	arc_serial_midi_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, u32 clock);
+
+	// device-level overrides
+	virtual void device_start() override;
+
+	// optional information overrides
+	virtual void device_add_mconfig(machine_config &config) override;
+
+	virtual u8 read(offs_t offset) override;
+	virtual void write(offs_t offset, u8 data) override;
+
+private:
+	required_device<mc6854_device> m_adlc;
+};
+
+
+// ======================> arc_serial_sampler_device
+
+class arc_serial_sampler_device: public arc_serial_midi_device
+{
+public:
+	// construction/destruction
+	arc_serial_sampler_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock);
+
+	static constexpr feature_type unemulated_features() { return feature::CAPTURE; }
+
+protected:
+	// optional information overrides
+	virtual void device_add_mconfig(machine_config &config) override;
+};
+
+
+
+// device type definition
+DECLARE_DEVICE_TYPE(ARC_SERIAL_MIDI, arc_serial_midi_device);
+DECLARE_DEVICE_TYPE(ARC_SERIAL_SAMPLER, arc_serial_sampler_device);
+
+
+#endif /* MAME_BUS_ARCHIMEDES_ECONET_MIDI_H */

src/devices/bus/archimedes/econet/slot.cpp

@@ -92,11 +92,14 @@ void archimedes_econet_slot_device::write(offs_t offset, u8 data)
 
 // slot devices
 #include "econet.h"
+#include "midi.h"
 #include "rtfmjoy.h"
 
 
 void archimedes_econet_devices(device_slot_interface &device)
 {
 	device.option_add("econet", ARC_ECONET);
+	device.option_add("midi", ARC_SERIAL_MIDI);
 	device.option_add("rtfmjoy", ARC_RTFM_JOY);
+	device.option_add("sampler", ARC_SERIAL_SAMPLER);
 }