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
|
// license:BSD-3-Clause
// copyright-holders:smf
#include "emu.h"
#include "pccard.h"
//#define VERBOSE 1
#include "logmacro.h"
device_pccard_interface::device_pccard_interface(const machine_config &mconfig, device_t &device) :
device_interface(device, "pccard"),
m_slot(dynamic_cast<pccard_slot_device *>(device.owner()))
{
}
uint16_t device_pccard_interface::read_memory(offs_t offset, uint16_t mem_mask)
{
if (VERBOSE & LOG_GENERAL)
device().logerror("unhandled memory read %08x %04x\n", offset, mem_mask);
return 0xffff;
}
void device_pccard_interface::write_memory(offs_t offset, uint16_t data, uint16_t mem_mask)
{
if (VERBOSE & LOG_GENERAL)
device().logerror("unhandled memory write %08x %04x %04x\n", offset, data, mem_mask);
}
uint16_t device_pccard_interface::read_reg(offs_t offset, uint16_t mem_mask)
{
if (VERBOSE & LOG_GENERAL)
device().logerror("unhandled register read %08x %04x\n", offset, mem_mask);
return 0xffff;
}
void device_pccard_interface::write_reg(offs_t offset, uint16_t data, uint16_t mem_mask)
{
if (VERBOSE & LOG_GENERAL)
device().logerror("unhandled register write %08x %04x %04x\n", offset, data, mem_mask);
}
DEFINE_DEVICE_TYPE(PCCARD_SLOT, pccard_slot_device, "pccard", "PC Card Slot")
pccard_slot_device::pccard_slot_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) :
device_t(mconfig, PCCARD_SLOT, tag, owner, clock),
device_single_card_slot_interface<device_pccard_interface>(mconfig, *this),
m_card_detect_cb(*this),
m_battery_voltage_1_cb(*this),
m_battery_voltage_2_cb(*this),
m_write_protect_cb(*this),
m_pccard(nullptr)
{
}
void pccard_slot_device::device_start()
{
m_pccard = get_card_device();
// resolve callbacks
m_card_detect_cb.resolve_safe();
m_battery_voltage_1_cb.resolve_safe();
m_battery_voltage_2_cb.resolve_safe();
m_write_protect_cb.resolve_safe();
}
uint16_t pccard_slot_device::read_memory(offs_t offset, uint16_t mem_mask)
{
if (m_pccard)
return m_pccard->read_memory(offset, mem_mask);
else
return 0xffff;
}
void pccard_slot_device::write_memory(offs_t offset, uint16_t data, uint16_t mem_mask)
{
if (m_pccard)
m_pccard->write_memory(offset, data, mem_mask);
}
uint16_t pccard_slot_device::read_reg(offs_t offset, uint16_t mem_mask)
{
if (m_pccard)
return m_pccard->read_reg(offset, mem_mask);
else
return 0xffff;
}
void pccard_slot_device::write_reg(offs_t offset, uint16_t data, uint16_t mem_mask)
{
if (m_pccard)
m_pccard->write_reg(offset, data, mem_mask);
}
uint8_t pccard_slot_device::read_memory_byte(offs_t offset)
{
uint8_t data = 0xff;
if (m_pccard)
{
if (BIT(offset, 0))
data = m_pccard->read_memory(offset / 2, 0xff00) >> 8;
else
data = m_pccard->read_memory(offset / 2, 0x00ff) >> 0;
}
return data;
}
uint8_t pccard_slot_device::read_reg_byte(offs_t offset)
{
uint8_t data = 0xff;
if (m_pccard)
{
if (BIT(offset, 0))
data = m_pccard->read_reg(offset / 2, 0xff00) >> 8;
else
data = m_pccard->read_reg(offset / 2, 0x00ff) >> 0;
}
return data;
}
void pccard_slot_device::write_memory_byte(offs_t offset, uint8_t data)
{
if (m_pccard)
{
if (BIT(offset, 0))
m_pccard->write_memory(offset / 2, data << 8, 0xff00);
else
m_pccard->write_memory(offset / 2, data << 0, 0x00ff);
}
}
void pccard_slot_device::write_reg_byte(offs_t offset, uint8_t data)
{
if (m_pccard)
{
if (BIT(offset, 0))
m_pccard->write_reg(offset / 2, data << 8, 0xff00);
else
m_pccard->write_reg(offset / 2, data << 0, 0x00ff);
}
}
|