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
|
/**********************************************************************
Final Cartridge emulation
Copyright MESS Team.
Visit http://mamedev.org for licensing and usage restrictions.
**********************************************************************/
#include "c64_final.h"
//**************************************************************************
// DEVICE DEFINITIONS
//**************************************************************************
const device_type C64_FINAL = &device_creator<c64_final_cartridge_device>;
//-------------------------------------------------
// INPUT_CHANGED_MEMBER( freeze )
//-------------------------------------------------
INPUT_CHANGED_MEMBER( c64_final_cartridge_device::freeze )
{
if (newval)
{
m_game = 0;
}
m_slot->nmi_w(newval);
}
//-------------------------------------------------
// INPUT_PORTS( c64_final )
//-------------------------------------------------
static INPUT_PORTS_START( c64_final )
PORT_START("SW")
PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_OTHER ) PORT_NAME("Reset") PORT_CODE(KEYCODE_F11) PORT_WRITE_LINE_DEVICE_MEMBER(DEVICE_SELF_OWNER, c64_expansion_slot_device, reset_w)
PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_OTHER ) PORT_NAME("Freeze") PORT_CODE(KEYCODE_F12) PORT_CHANGED_MEMBER(DEVICE_SELF, c64_final_cartridge_device, freeze, 0)
INPUT_PORTS_END
//-------------------------------------------------
// input_ports - device-specific input ports
//-------------------------------------------------
ioport_constructor c64_final_cartridge_device::device_input_ports() const
{
return INPUT_PORTS_NAME( c64_final );
}
//**************************************************************************
// LIVE DEVICE
//**************************************************************************
//-------------------------------------------------
// c64_final_cartridge_device - constructor
//-------------------------------------------------
c64_final_cartridge_device::c64_final_cartridge_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock) :
device_t(mconfig, C64_FINAL, "C64 Final cartridge", tag, owner, clock, "c64_final", __FILE__),
device_c64_expansion_card_interface(mconfig, *this)
{
}
//-------------------------------------------------
// device_start - device-specific startup
//-------------------------------------------------
void c64_final_cartridge_device::device_start()
{
}
//-------------------------------------------------
// device_reset - device-specific reset
//-------------------------------------------------
void c64_final_cartridge_device::device_reset()
{
m_exrom = 0;
m_game = 0;
}
//-------------------------------------------------
// c64_cd_r - cartridge data read
//-------------------------------------------------
UINT8 c64_final_cartridge_device::c64_cd_r(address_space &space, offs_t offset, UINT8 data, int sphi2, int ba, int roml, int romh, int io1, int io2)
{
if (!roml || !romh || !io1 || !io2)
{
data = m_roml[offset & 0x3fff];
}
if (!io1)
{
m_game = 1;
m_exrom = 1;
}
else if (!io2)
{
m_exrom = 0;
m_game = 0;
}
return data;
}
//-------------------------------------------------
// c64_cd_w - cartridge data write
//-------------------------------------------------
void c64_final_cartridge_device::c64_cd_w(address_space &space, offs_t offset, UINT8 data, int sphi2, int ba, int roml, int romh, int io1, int io2)
{
if (!io1)
{
m_game = 1;
m_exrom = 1;
}
else if (!io2)
{
m_exrom = 0;
m_game = 0;
}
}
|