summaryrefslogtreecommitdiffstatshomepage
path: root/src/devices/bus/isa/pcmidi.h
blob: 649e9664f168ef6e680336cadc0f26447ab8bff2 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
// license:BSD-3-Clause
// copyright-holders:AJR

#ifndef MAME_BUS_ISA_PCMIDI_H
#define MAME_BUS_ISA_PCMIDI_H

#pragma once

#include "isa.h"
#include "bus/midi/midi.h"
#include "cpu/z8/z8.h"
#include "machine/gen_latch.h"

class isa8_pcmidi_device : public device_t, public device_isa8_card_interface
{
public:
	isa8_pcmidi_device(const machine_config &mconfig, const char *tag, device_t *owner, const XTAL &clock);

protected:
	virtual void device_start() override;
	virtual void device_reset() override;
	virtual ioport_constructor device_input_ports() const override;
	virtual void device_add_mconfig(machine_config &config) override;
	virtual const tiny_rom_entry *device_rom_region() const override;

private:
	void set_host_irq(bool state);
	u8 host_r(offs_t offset);
	void host_w(offs_t offset, u8 data);
	void status_w(u8 data);
	void mpu_p3_w(u8 data);

	void mpu_map(address_map &map);

	required_device<z8_device> m_mpu;
	required_device<generic_latch_8_device> m_cmdlatch;
	required_device<generic_latch_8_device> m_statlatch;
	required_device<midi_port_device> m_midiout;
	required_ioport m_config;

	u8 m_mpu_p3;
	bool m_host_irq;
};

DECLARE_DEVICE_TYPE(ISA8_PCMIDI, isa8_pcmidi_device)

#endif // MAME_BUS_ISA_PCMIDI_H