summaryrefslogtreecommitdiffstatshomepage
path: root/src/emu/bus/bml3/bml3bus.h
blob: bd9ce5b6abb8e8299f359541081afaea893af5b6 (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
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
// license:???
// copyright-holders:???
/***************************************************************************

  bml3bus.h - Hitachi MB-6890 slot bus and card emulation

  Adapted from a2bus by Jonathan Edwards

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

#pragma once

#ifndef __BML3BUS_H__
#define __BML3BUS_H__

#include "emu.h"

#define BML3BUS_MAX_SLOTS 6

//**************************************************************************
//  INTERFACE CONFIGURATION MACROS
//**************************************************************************

#define MCFG_BML3BUS_CPU(_cputag) \
	bml3bus_device::static_set_cputag(*device, _cputag);

#define MCFG_BML3BUS_OUT_NMI_CB(_devcb) \
	devcb = &bml3bus_device::set_out_nmi_callback(*device, DEVCB_##_devcb);

#define MCFG_BML3BUS_OUT_IRQ_CB(_devcb) \
	devcb = &bml3bus_device::set_out_irq_callback(*device, DEVCB_##_devcb);

#define MCFG_BML3BUS_OUT_FIRQ_CB(_devcb) \
	devcb = &bml3bus_device::set_out_firq_callback(*device, DEVCB_##_devcb);

#define MCFG_BML3BUS_SLOT_ADD(_nbtag, _tag, _slot_intf, _def_slot) \
	MCFG_DEVICE_ADD(_tag, BML3BUS_SLOT, 0) \
	MCFG_DEVICE_SLOT_INTERFACE(_slot_intf, _def_slot, false) \
	bml3bus_slot_device::static_set_bml3bus_slot(*device, _nbtag, _tag);
#define MCFG_BML3BUS_SLOT_REMOVE(_tag)    \
	MCFG_DEVICE_REMOVE(_tag)

#define MCFG_BML3BUS_ONBOARD_ADD(_nbtag, _tag, _dev_type) \
	MCFG_DEVICE_ADD(_tag, _dev_type, 0) \
	device_bml3bus_card_interface::static_set_bml3bus_tag(*device, _nbtag, _tag);


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

class bml3bus_device;

class bml3bus_slot_device : public device_t,
							public device_slot_interface
{
public:
	// construction/destruction
	bml3bus_slot_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
	bml3bus_slot_device(const machine_config &mconfig, device_type type, const char *name, const char *tag, device_t *owner, UINT32 clock, const char *shortname, const char *source);

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

	// inline configuration
	static void static_set_bml3bus_slot(device_t &device, const char *tag, const char *slottag);
protected:
	// configuration
	const char *m_bml3bus_tag, *m_bml3bus_slottag;
};

// device type definition
extern const device_type BML3BUS_SLOT;


class device_bml3bus_card_interface;
// ======================> bml3bus_device
class bml3bus_device : public device_t
{
public:
	// construction/destruction
	bml3bus_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
	bml3bus_device(const machine_config &mconfig, device_type type, const char *name, const char *tag, device_t *owner, UINT32 clock, const char *shortname, const char *source);

	// inline configuration
	static void static_set_cputag(device_t &device, const char *tag);
	template<class _Object> static devcb_base &set_out_nmi_callback(device_t &device, _Object object) { return downcast<bml3bus_device &>(device).m_out_nmi_cb.set_callback(object); }
	template<class _Object> static devcb_base &set_out_irq_callback(device_t &device, _Object object) { return downcast<bml3bus_device &>(device).m_out_irq_cb.set_callback(object); }
	template<class _Object> static devcb_base &set_out_firq_callback(device_t &device, _Object object) { return downcast<bml3bus_device &>(device).m_out_firq_cb.set_callback(object); }

	void add_bml3bus_card(int slot, device_bml3bus_card_interface *card);
	device_bml3bus_card_interface *get_bml3bus_card(int slot);

	void set_nmi_line(int state);
	void set_irq_line(int state);
	void set_firq_line(int state);

	DECLARE_WRITE_LINE_MEMBER( nmi_w );
	DECLARE_WRITE_LINE_MEMBER( irq_w );
	DECLARE_WRITE_LINE_MEMBER( firq_w );

protected:
	// device-level overrides
	virtual void device_start();
	virtual void device_reset();

	// internal state
	cpu_device   *m_maincpu;

	devcb_write_line    m_out_nmi_cb;
	devcb_write_line    m_out_irq_cb;
	devcb_write_line    m_out_firq_cb;

	device_bml3bus_card_interface *m_device_list[BML3BUS_MAX_SLOTS];
	const char *m_cputag;
};


// device type definition
extern const device_type BML3BUS;

// ======================> device_bml3bus_card_interface

// class representing interface-specific live bml3bus card
class device_bml3bus_card_interface : public device_slot_card_interface
{
	friend class bml3bus_device;
public:
	// construction/destruction
	device_bml3bus_card_interface(const machine_config &mconfig, device_t &device);
	virtual ~device_bml3bus_card_interface();

	device_bml3bus_card_interface *next() const { return m_next; }

	void set_bml3bus_device();

	void raise_slot_nmi() { m_bml3bus->set_nmi_line(ASSERT_LINE); }
	void lower_slot_nmi() { m_bml3bus->set_nmi_line(CLEAR_LINE); }
	void raise_slot_irq() { m_bml3bus->set_irq_line(ASSERT_LINE); }
	void lower_slot_irq() { m_bml3bus->set_irq_line(CLEAR_LINE); }
	void raise_slot_firq() { m_bml3bus->set_firq_line(ASSERT_LINE); }
	void lower_slot_firq() { m_bml3bus->set_firq_line(CLEAR_LINE); }

	// inline configuration
	static void static_set_bml3bus_tag(device_t &device, const char *tag, const char *slottag);
public:
	bml3bus_device  *m_bml3bus;
	const char *m_bml3bus_tag, *m_bml3bus_slottag;
	int m_slot;
	device_bml3bus_card_interface *m_next;
};

#endif  /* __BML3BUS_H__ */