summaryrefslogtreecommitdiffstatshomepage
path: root/src/devices/bus/spectrum/lprint.h
blob: 9b673402e63203b2fe2fc5d05dd7ce0896f799ca (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
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
// license:BSD-3-Clause
// copyright-holders:MetalliC
/*********************************************************************

    Common printer interfaces

*********************************************************************/
#ifndef MAME_BUS_SPECTRUM_LPRINT_H
#define MAME_BUS_SPECTRUM_LPRINT_H

#include "exp.h"
#include "bus/centronics/ctronics.h"
#include "bus/rs232/rs232.h"

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

class spectrum_lprint_device :
	public device_t,
	public device_spectrum_expansion_interface

{
public:
	// construction/destruction
	spectrum_lprint_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);

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

	// optional information overrides
	virtual void device_add_mconfig(machine_config &config) override;
	virtual const tiny_rom_entry *device_rom_region() const override;

	virtual void pre_opcode_fetch(offs_t offset) override;
	virtual void pre_data_fetch(offs_t offset) override;
	virtual uint8_t mreq_r(offs_t offset) override;
	virtual uint8_t iorq_r(offs_t offset) override;
	virtual void iorq_w(offs_t offset, uint8_t data) override;
	virtual DECLARE_READ_LINE_MEMBER(romcs) override;

	DECLARE_WRITE_LINE_MEMBER(busy_w) { m_busy = state; };

	required_memory_region m_rom;
	required_device<centronics_device> m_centronics;

	int m_romcs;
	int m_busy;
};

class spectrum_lprint3_device :
	public device_t,
	public device_spectrum_expansion_interface

{
public:
	// construction/destruction
	spectrum_lprint3_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);

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

	// optional information overrides
	virtual void device_add_mconfig(machine_config &config) override;
	virtual const tiny_rom_entry *device_rom_region() const override;

	virtual uint8_t mreq_r(offs_t offset) override;
	virtual uint8_t iorq_r(offs_t offset) override;
	virtual void iorq_w(offs_t offset, uint8_t data) override;
	virtual DECLARE_READ_LINE_MEMBER(romcs) override;

	// passthru
	virtual void pre_opcode_fetch(offs_t offset) override { m_exp->pre_opcode_fetch(offset); };
	virtual void post_opcode_fetch(offs_t offset) override { m_exp->post_opcode_fetch(offset); };
	virtual void pre_data_fetch(offs_t offset) override { m_exp->pre_data_fetch(offset); };
	virtual void post_data_fetch(offs_t offset) override { m_exp->post_data_fetch(offset); };
	virtual void mreq_w(offs_t offset, uint8_t data) override { if (m_exp->romcs()) m_exp->mreq_w(offset, data); }

	DECLARE_WRITE_LINE_MEMBER(busy_w) { m_busy = state; };

	required_memory_region m_rom;
	required_device<centronics_device> m_centronics;
	required_device<rs232_port_device> m_rs232;
	required_device<spectrum_expansion_slot_device> m_exp;

	int m_romcs;
	int m_busy;
};

class spectrum_kempcentrs_device :
	public device_t,
	public device_spectrum_expansion_interface

{
public:
	// construction/destruction
	spectrum_kempcentrs_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);

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

	// optional information overrides
	virtual void device_add_mconfig(machine_config &config) override;

	virtual uint8_t iorq_r(offs_t offset) override;
	virtual void iorq_w(offs_t offset, uint8_t data) override;

	DECLARE_WRITE_LINE_MEMBER(busy_w) { m_busy = state; };

	required_device<centronics_device> m_centronics;

	int m_busy;
};

class spectrum_kempcentre_device :
	public device_t,
	public device_spectrum_expansion_interface

{
public:
	// construction/destruction
	spectrum_kempcentre_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);

protected:
	spectrum_kempcentre_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;
	virtual void device_reset() override;

	// optional information overrides
	virtual void device_add_mconfig(machine_config &config) override;
	virtual const tiny_rom_entry *device_rom_region() const override;

	virtual void pre_opcode_fetch(offs_t offset) override;
	virtual void pre_data_fetch(offs_t offset) override;
	virtual uint8_t mreq_r(offs_t offset) override;
	virtual uint8_t iorq_r(offs_t offset) override;
	virtual void iorq_w(offs_t offset, uint8_t data) override;
	virtual DECLARE_READ_LINE_MEMBER(romcs) override;

	DECLARE_WRITE_LINE_MEMBER(busy_w) { m_busy = state; };

	required_memory_region m_rom;
	required_device<centronics_device> m_centronics;

	int m_active;
	int m_romcs;
	int m_busy;
};

class spectrum_kempcentreu_device :
	public spectrum_kempcentre_device
{
public:
	// construction/destruction
	spectrum_kempcentreu_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);

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

	// optional information overrides
	virtual const tiny_rom_entry *device_rom_region() const override;

	virtual void pre_opcode_fetch(offs_t offset) override;
	virtual uint8_t iorq_r(offs_t offset) override;
};


// device type definition
DECLARE_DEVICE_TYPE(SPECTRUM_LPRINT, spectrum_lprint_device)
DECLARE_DEVICE_TYPE(SPECTRUM_LPRINT3, spectrum_lprint3_device)
DECLARE_DEVICE_TYPE(SPECTRUM_KEMPCENTRS, spectrum_kempcentrs_device)
DECLARE_DEVICE_TYPE(SPECTRUM_KEMPCENTREF, spectrum_kempcentre_device)
DECLARE_DEVICE_TYPE(SPECTRUM_KEMPCENTREU, spectrum_kempcentreu_device)


#endif // MAME_BUS_SPECTRUM_LPRINT_H