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
|
// license:BSD-3-Clause
// copyright-holders:Fabio Priuli
#ifndef MAME_BUS_ASTROCADE_EXP_H
#define MAME_BUS_ASTROCADE_EXP_H
// ======================> device_astrocade_exp_interface
class device_astrocade_exp_interface : public device_interface
{
public:
// construction/destruction
virtual ~device_astrocade_exp_interface();
// reading and writing
virtual uint8_t read(offs_t offset) { return 0xff; }
virtual void write(offs_t offset, uint8_t data) { }
virtual uint8_t read_io(offs_t offset) { return 0xff; }
virtual void write_io(offs_t offset, uint8_t data) { }
protected:
device_astrocade_exp_interface(const machine_config &mconfig, device_t &device);
};
// ======================> astrocade_exp_device
class astrocade_exp_device : public device_t, public device_single_card_slot_interface<device_astrocade_exp_interface>
{
public:
// construction/destruction
template <typename T>
astrocade_exp_device(machine_config const &mconfig, char const *tag, device_t *owner, T &&opts, char const *dflt)
: astrocade_exp_device(mconfig, tag, owner)
{
option_reset();
opts(*this);
set_default_option(dflt);
set_fixed(false);
}
astrocade_exp_device(const machine_config &mconfig, const char *tag, device_t *owner, const XTAL &clock = XTAL());
virtual ~astrocade_exp_device();
// device-level overrides
virtual void device_start() override;
bool get_card_mounted() { return m_card_mounted; }
// reading and writing
uint8_t read(offs_t offset);
void write(offs_t offset, uint8_t data);
uint8_t read_io(offs_t offset);
void write_io(offs_t offset, uint8_t data);
protected:
bool m_card_mounted;
device_astrocade_exp_interface* m_card;
};
// device type definition
DECLARE_DEVICE_TYPE(ASTROCADE_EXP_SLOT, astrocade_exp_device)
#endif // MAME_BUS_ASTROCADE_EXP_H
|