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
|
// license:BSD-3-Clause
// copyright-holders:Nigel Barnes
/**********************************************************************
BBC Micro Floppy Disc Controller slot emulation
**********************************************************************/
#ifndef MAME_BUS_BBC_FDC_FDC_H
#define MAME_BUS_BBC_FDC_FDC_H
#pragma once
//**************************************************************************
// INTERFACE CONFIGURATION MACROS
//**************************************************************************
#define MCFG_BBC_FDC_SLOT_ADD(_tag, _slot_intf, _def_slot, _fixed) \
MCFG_DEVICE_ADD(_tag, BBC_FDC_SLOT, 0) \
MCFG_DEVICE_SLOT_INTERFACE(_slot_intf, _def_slot, _fixed)
#define MCFG_BBC_FDC_SLOT_INTRQ_HANDLER(_devcb) \
devcb = &bbc_fdc_slot_device::set_intrq_handler(*device, DEVCB_##_devcb);
#define MCFG_BBC_FDC_SLOT_DRQ_HANDLER(_devcb) \
devcb = &bbc_fdc_slot_device::set_drq_handler(*device, DEVCB_##_devcb);
//**************************************************************************
// TYPE DEFINITIONS
//**************************************************************************
// ======================> bbc_fdc_slot_device
class device_bbc_fdc_interface;
class bbc_fdc_slot_device : public device_t, public device_slot_interface
{
public:
// construction/destruction
bbc_fdc_slot_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
virtual ~bbc_fdc_slot_device();
// callbacks
template <class Object> static devcb_base &set_intrq_handler(device_t &device, Object &&cb)
{ return downcast<bbc_fdc_slot_device &>(device).m_intrq_handler.set_callback(std::forward<Object>(cb)); }
template <class Object> static devcb_base &set_drq_handler(device_t &device, Object &&cb)
{ return downcast<bbc_fdc_slot_device &>(device).m_drq_handler.set_callback(std::forward<Object>(cb)); }
DECLARE_WRITE_LINE_MEMBER( intrq_w ) { m_intrq_handler(state); }
DECLARE_WRITE_LINE_MEMBER( drq_w) { m_drq_handler(state); }
protected:
// device-level overrides
virtual void device_validity_check(validity_checker &valid) const override;
virtual void device_start() override;
virtual void device_reset() override;
device_bbc_fdc_interface *m_card;
private:
devcb_write_line m_intrq_handler;
devcb_write_line m_drq_handler;
};
// ======================> device_bbc_fdc_interface
class device_bbc_fdc_interface : public device_slot_card_interface
{
public:
// construction/destruction
virtual ~device_bbc_fdc_interface();
protected:
device_bbc_fdc_interface(const machine_config &mconfig, device_t &device);
bbc_fdc_slot_device *m_slot;
};
// device type definition
DECLARE_DEVICE_TYPE(BBC_FDC_SLOT, bbc_fdc_slot_device)
SLOT_INTERFACE_EXTERN( bbc_fdc_devices );
#endif // MAME_BUS_BBC_FDC_FDC_H
|