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
|
#ifndef __MSX_SLOT_CARTRIDGE_H
#define __MSX_SLOT_CARTRIDGE_H
#include "slot.h"
#include "bus/msx_cart/cartridge.h"
extern const device_type MSX_SLOT_CARTRIDGE;
extern const device_type MSX_SLOT_YAMAHA_EXPANSION;
#define MCFG_MSX_SLOT_CARTRIDGE_ADD(_tag, _devcb) \
MCFG_DEVICE_ADD(_tag, MSX_SLOT_CARTRIDGE, 0) \
MCFG_DEVICE_SLOT_INTERFACE(msx_cart, NULL, false) \
devcb = &msx_slot_cartridge_device::set_irq_handler(*device, DEVCB_##_devcb);
#define MCFG_MSX_SLOT_YAMAHA_EXPANSION_ADD(_tag, _devcb, _default) \
MCFG_DEVICE_ADD(_tag, MSX_SLOT_YAMAHA_EXPANSION, 0) \
MCFG_DEVICE_SLOT_INTERFACE(msx_yamaha_60pin, _default, false) \
devcb = &msx_slot_cartridge_device::set_irq_handler(*device, DEVCB_##_devcb);
class msx_slot_cartridge_device : public device_t
, public device_image_interface
, public device_slot_interface
, public msx_internal_slot_interface
{
public:
// construction/destruction
msx_slot_cartridge_device(const machine_config &mconfig, device_type type, const char *name, const char *tag, device_t *owner, UINT32 clock, const char *shortname, const char *source);
msx_slot_cartridge_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
// static configuration helpers
template<class _Object> static devcb_base &set_irq_handler(device_t &device, _Object object) { return downcast<msx_slot_cartridge_device &>(device).m_irq_handler.set_callback(object); }
// device-level overrides
virtual void device_start();
virtual void device_config_complete() { update_names(MSX_SLOT_CARTRIDGE, "cartridge", "cart"); }
// image-level overrides
virtual bool call_load();
virtual void call_unload();
virtual bool call_softlist_load(software_list_device &swlist, const char *swname, const rom_entry *start_entry);
virtual iodevice_t image_type() const { return IO_CARTSLOT; }
virtual bool is_readable() const { return true; }
virtual bool is_writeable() const { return false; }
virtual bool is_creatable() const { return false; }
virtual bool must_be_loaded() const { return false; }
virtual bool is_reset_on_load() const { return true; }
virtual const option_guide *create_option_guide() const { return NULL; }
virtual const char *image_interface() const { return "msx_cart"; }
virtual const char *file_extensions() const { return "mx1,bin,rom"; }
// slot interface overrides
virtual void get_default_card_software(astring &result);
// msx_internal_slot-level overrides
virtual DECLARE_READ8_MEMBER(read);
virtual DECLARE_WRITE8_MEMBER(write);
DECLARE_WRITE_LINE_MEMBER(irq_out);
protected:
devcb_write_line m_irq_handler;
msx_cart_interface *m_cartridge;
int get_cart_type(UINT8 *rom, UINT32 length);
};
class msx_slot_yamaha_expansion_device : public msx_slot_cartridge_device
{
public:
// construction/destruction
msx_slot_yamaha_expansion_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
virtual void device_start();
};
#endif
|