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:???
/***************************************************************************
CR-511-B CD-ROM drive
license: MAME, GPL-2.0+
copyright-holders: Dirk Best
CD-ROM drive with a custom MKE/Panasonic interface as used in the
Commodore CDTV and early SoundBlaster cards.
1 _RESET 2 GND
3 EFFK 4 SCCK
5 SBCP 6 SCOR
7 GND 8 GND
9 C16M 10 GND
11 _XAEN 12 GND
13 EMPASIS 14 D0
15 LRCK 16 DSCK
17 _MUTE 18 GND
19 _BUSY 20 _STCH
21 _ENABLE 22 DRQ
23 _HWR 24 GND
25 _DTEN 26 _HRD
27 _STEN 28 _CMD
29 _EOP 30 GND
31 DB7 32 GND
33 DB6 34 DB5
35 DB4 36 GND
37 DB3 38 DB2
39 DB1 40 DB0
***************************************************************************/
#pragma once
#ifndef __CR511B_H__
#define __CR511B_H__
#include "emu.h"
#include "imagedev/chd_cd.h"
#include "sound/cdda.h"
//**************************************************************************
// INTERFACE CONFIGURATION MACROS
//**************************************************************************
#define MCFG_CR511B_ADD(_tag) \
MCFG_DEVICE_ADD(_tag, CR511B, 0)
#define MCFG_CR511B_STCH_HANDLER(_devcb) \
devcb = &cr511b_device::set_stch_handler(*device, DEVCB_##_devcb);
#define MCFG_CR511B_STEN_HANDLER(_devcb) \
devcb = &cr511b_device::set_sten_handler(*device, DEVCB_##_devcb);
#define MCFG_CR511B_DRQ_HANDLER(_devcb) \
devcb = &cr511b_device::set_drq_handler(*device, DEVCB_##_devcb);
#define MCFG_CR511B_DTEN_HANDLER(_devcb) \
devcb = &cr511b_device::set_dten_handler(*device, DEVCB_##_devcb);
#define MCFG_CR511B_SCOR_HANDLER(_devcb) \
devcb = &cr511b_device::set_scor_handler(*device, DEVCB_##_devcb);
#define MCFG_CR511B_XAEN_HANDLER(_devcb) \
devcb = &cr511b_device::set_xaen_handler(*device, DEVCB_##_devcb);
//**************************************************************************
// TYPE DEFINITIONS
//**************************************************************************
// ======================> cr511b_device
class cr511b_device : public device_t
{
public:
// construction/destruction
cr511b_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
// callbacks
template<class _Object> static devcb_base &set_stch_handler(device_t &device, _Object object)
{ return downcast<cr511b_device &>(device).m_stch_handler.set_callback(object); }
template<class _Object> static devcb_base &set_sten_handler(device_t &device, _Object object)
{ return downcast<cr511b_device &>(device).m_sten_handler.set_callback(object); }
template<class _Object> static devcb_base &set_drq_handler(device_t &device, _Object object)
{ return downcast<cr511b_device &>(device).m_drq_handler.set_callback(object); }
template<class _Object> static devcb_base &set_dten_handler(device_t &device, _Object object)
{ return downcast<cr511b_device &>(device).m_dten_handler.set_callback(object); }
template<class _Object> static devcb_base &set_scor_handler(device_t &device, _Object object)
{ return downcast<cr511b_device &>(device).m_scor_handler.set_callback(object); }
template<class _Object> static devcb_base &set_xaen_handler(device_t &device, _Object object)
{ return downcast<cr511b_device &>(device).m_xaen_handler.set_callback(object); }
DECLARE_READ8_MEMBER( read );
DECLARE_WRITE8_MEMBER ( write );
DECLARE_WRITE_LINE_MEMBER( enable_w );
DECLARE_WRITE_LINE_MEMBER( cmd_w );
protected:
// device-level overrides
virtual void device_start();
virtual void device_reset();
virtual machine_config_constructor device_mconfig_additions() const;
virtual void device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr);
private:
enum
{
STATUS_DOOR_CLOSED = 0x80,
STATUS_MEDIA = 0x40,
STATUS_MOTOR = 0x20,
STATUS_ERROR = 0x10,
STATUS_SUCCESS = 0x08,
STATUS_PLAYING = 0x04,
STATUS_DOOR_LOCKED = 0x02,
STATUS_READY = 0x01
};
required_device<cdrom_image_device> m_cdrom;
required_device<cdda_device> m_cdda;
devcb_write_line m_stch_handler;
devcb_write_line m_sten_handler;
devcb_write_line m_drq_handler;
devcb_write_line m_dten_handler;
devcb_write_line m_scor_handler;
devcb_write_line m_xaen_handler;
emu_timer *m_frame_timer;
//bool m_motor;
// state of lines
int m_enabled;
int m_cmd;
// data transfer
//UINT8 m_sector_buffer[CD_MAX_SECTOR_DATA];
};
// device type definition
extern const device_type CR511B;
#endif
|