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
|
// license:BSD-3-Clause
// copyright-holders:Miodrag Milanovic
/***************************************************************************
Covox Speech Thing
***************************************************************************/
#include "emu.h"
#include "covox.h"
#include "sound/volt_reg.h"
#include "speaker.h"
//**************************************************************************
// COVOX DEVICE
//**************************************************************************
// device type definition
DEFINE_DEVICE_TYPE(CENTRONICS_COVOX, centronics_covox_device, "covox", "Covox Speech Thing")
/***************************************************************************
IMPLEMENTATION
***************************************************************************/
//-------------------------------------------------
// centronics_covox_device - constructor
//-------------------------------------------------
centronics_covox_device::centronics_covox_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock)
: device_t(mconfig, CENTRONICS_COVOX, tag, owner, clock),
device_centronics_peripheral_interface( mconfig, *this ),
m_dac(*this, "dac"),
m_data(0)
{
}
//-------------------------------------------------
// device_add_mconfig - add device configuration
//-------------------------------------------------
void centronics_covox_device::device_add_mconfig(machine_config &config)
{
/* sound hardware */
SPEAKER(config, "speaker").front_center();
DAC_8BIT_R2R(config, m_dac, 0).add_route(ALL_OUTPUTS, "speaker", 0.5); // unknown DAC
voltage_regulator_device &vref(VOLTAGE_REGULATOR(config, "vref"));
vref.add_route(0, "dac", 1.0, DAC_VREF_POS_INPUT);
vref.add_route(0, "dac", -1.0, DAC_VREF_NEG_INPUT);
}
void centronics_covox_device::device_start()
{
save_item(NAME(m_data));
}
void centronics_covox_device::update_dac()
{
if (started())
m_dac->write(m_data);
}
//**************************************************************************
// COVOX STEREO DEVICE
//**************************************************************************
// device type definition
DEFINE_DEVICE_TYPE(CENTRONICS_COVOX_STEREO, centronics_covox_stereo_device, "covox_stereo", "Covox (Stereo-in-1)")
/***************************************************************************
IMPLEMENTATION
***************************************************************************/
//-------------------------------------------------
// centronics_covox_stereo_device - constructor
//-------------------------------------------------
centronics_covox_stereo_device::centronics_covox_stereo_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock)
: device_t(mconfig, CENTRONICS_COVOX_STEREO, tag, owner, clock),
device_centronics_peripheral_interface( mconfig, *this ),
m_ldac(*this, "ldac"),
m_rdac(*this, "rdac"),
m_strobe(0),
m_data(0),
m_autofd(0)
{
}
//-------------------------------------------------
// device_add_mconfig - add device configuration
//-------------------------------------------------
void centronics_covox_stereo_device::device_add_mconfig(machine_config &config)
{
/* sound hardware */
SPEAKER(config, "lspeaker").front_left();
SPEAKER(config, "rspeaker").front_right();
DAC_8BIT_R2R(config, m_ldac, 0).add_route(ALL_OUTPUTS, "lspeaker", 0.5); // unknown DAC
DAC_8BIT_R2R(config, m_rdac, 0).add_route(ALL_OUTPUTS, "rspeaker", 0.5); // unknown DAC
voltage_regulator_device &vref(VOLTAGE_REGULATOR(config, "vref"));
vref.add_route(0, "ldac", 1.0, DAC_VREF_POS_INPUT);
vref.add_route(0, "ldac", -1.0, DAC_VREF_NEG_INPUT);
vref.add_route(0, "rdac", 1.0, DAC_VREF_POS_INPUT);
vref.add_route(0, "rdac", -1.0, DAC_VREF_NEG_INPUT);
}
void centronics_covox_stereo_device::device_start()
{
save_item(NAME(m_data));
save_item(NAME(m_strobe));
save_item(NAME(m_autofd));
}
void centronics_covox_stereo_device::update_dac()
{
if (started())
{
if (m_strobe)
m_ldac->write(m_data);
if (m_autofd)
m_rdac->write(m_data);
}
}
|