summaryrefslogtreecommitdiffstatshomepage
path: root/src/devices/bus/kc/kc.h
blob: 0c14a8ef5d3aa24c5390f989c60eb87153b9a22f (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
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
// license:BSD-3-Clause
// copyright-holders:Sandro Ronco
/*********************************************************************

    kc.h

    KC85_2/3/4/5 expansion slot emulation

*********************************************************************/

#ifndef MAME_BUS_KC_KC_H
#define MAME_BUS_KC_KC_H

#pragma once

#include "softlist_dev.h"

/***************************************************************************
    TYPE DEFINITIONS
***************************************************************************/

// ======================> device_kcexp_interface

class device_kcexp_interface : public device_slot_card_interface
{
public:
	// construction/destruction
	virtual ~device_kcexp_interface();

	// reading and writing
	virtual uint8_t module_id_r() { return 0xff; }
	virtual void control_w(uint8_t data) { }
	virtual void read(offs_t offset, uint8_t &data) { }
	virtual void write(offs_t offset, uint8_t data) { }
	virtual void io_read(offs_t offset, uint8_t &data) { }
	virtual void io_write(offs_t offset, uint8_t data) { }
	virtual uint8_t* get_cart_base() { return nullptr; }
	virtual DECLARE_WRITE_LINE_MEMBER( mei_w ) { }

protected:
	device_kcexp_interface(const machine_config &mconfig, device_t &device);
};

// ======================> kcexp_slot_device

class kcexp_slot_device : public device_t,
							public device_slot_interface
{
public:
	// construction/destruction
	template <typename T>
	kcexp_slot_device(machine_config const &mconfig, char const *tag, device_t *owner, T &&opts, char const *dflt)
		: kcexp_slot_device(mconfig, tag, owner, (uint32_t)0)
	{
		option_reset();
		opts(*this);
		set_default_option(dflt);
		set_fixed(false);
	}
	kcexp_slot_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
	virtual ~kcexp_slot_device();

	auto irq() { return m_out_irq_cb.bind(); }
	auto nmi() { return m_out_nmi_cb.bind(); }
	auto halt() { return m_out_halt_cb.bind(); }

	// inline configuration
	void set_next_slot(const char *next_module_tag) { m_next_slot_tag = next_module_tag; }

	// reading and writing
	virtual uint8_t module_id_r();
	virtual void control_w(uint8_t data);
	virtual void read(offs_t offset, uint8_t &data);
	virtual void write(offs_t offset, uint8_t data);
	virtual void io_read(offs_t offset, uint8_t &data);
	virtual void io_write(offs_t offset, uint8_t data);
	virtual DECLARE_WRITE_LINE_MEMBER( mei_w );
	virtual DECLARE_WRITE_LINE_MEMBER( meo_w );

	devcb_write_line                m_out_irq_cb;
	devcb_write_line                m_out_nmi_cb;
	devcb_write_line                m_out_halt_cb;

protected:
	kcexp_slot_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, uint32_t clock);

	// device-level overrides
	virtual void device_start() override;

	device_kcexp_interface*     m_cart;

	const char*                 m_next_slot_tag;
	kcexp_slot_device*          m_next_slot;
};

// ======================> kccart_slot_device

class kccart_slot_device : public kcexp_slot_device,
							public device_image_interface
{
public:
	// construction/destruction
	template <typename T>
	kccart_slot_device(machine_config const &mconfig, char const *tag, device_t *owner, T &&opts, char const *dflt)
		: kccart_slot_device(mconfig, tag, owner, (uint32_t)0)
	{
		option_reset();
		opts(*this);
		set_default_option(dflt);
		set_fixed(false);
	}
	kccart_slot_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
	virtual ~kccart_slot_device();

	// image-level overrides
	virtual image_init_result call_load() override;
	virtual const software_list_loader &get_software_list_loader() const override { return rom_software_list_loader::instance(); }

	virtual iodevice_t image_type() const override { return IO_CARTSLOT; }
	virtual bool is_readable()  const override { return 1; }
	virtual bool is_writeable() const override { return 0; }
	virtual bool is_creatable() const override { return 0; }
	virtual bool must_be_loaded() const override { return 0; }
	virtual bool is_reset_on_load() const override { return 1; }
	virtual const char *image_interface() const override { return "kc_cart"; }
	virtual const char *file_extensions() const override { return "bin"; }

	// slot interface overrides
	virtual std::string get_default_card_software(get_default_card_software_hook &hook) const override;
};

// device type definition
DECLARE_DEVICE_TYPE(KCEXP_SLOT,  kcexp_slot_device)
DECLARE_DEVICE_TYPE(KCCART_SLOT, kccart_slot_device)

#endif // MAME_BUS_KC_KC_H