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
|
// license:BSD-3-Clause
// copyright-holders:smf
#ifndef __LATCH_H__
#define __LATCH_H__
#define MCFG_OUTPUT_LATCH_BIT0_HANDLER(_devcb) \
devcb = &output_latch_device::set_bit0_handler(*device, DEVCB_##_devcb);
#define MCFG_OUTPUT_LATCH_BIT1_HANDLER(_devcb) \
devcb = &output_latch_device::set_bit1_handler(*device, DEVCB_##_devcb);
#define MCFG_OUTPUT_LATCH_BIT2_HANDLER(_devcb) \
devcb = &output_latch_device::set_bit2_handler(*device, DEVCB_##_devcb);
#define MCFG_OUTPUT_LATCH_BIT3_HANDLER(_devcb) \
devcb = &output_latch_device::set_bit3_handler(*device, DEVCB_##_devcb);
#define MCFG_OUTPUT_LATCH_BIT4_HANDLER(_devcb) \
devcb = &output_latch_device::set_bit4_handler(*device, DEVCB_##_devcb);
#define MCFG_OUTPUT_LATCH_BIT5_HANDLER(_devcb) \
devcb = &output_latch_device::set_bit5_handler(*device, DEVCB_##_devcb);
#define MCFG_OUTPUT_LATCH_BIT6_HANDLER(_devcb) \
devcb = &output_latch_device::set_bit6_handler(*device, DEVCB_##_devcb);
#define MCFG_OUTPUT_LATCH_BIT7_HANDLER(_devcb) \
devcb = &output_latch_device::set_bit7_handler(*device, DEVCB_##_devcb);
class output_latch_device : public device_t
{
public:
output_latch_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
template<class _Object> static devcb_base &set_bit0_handler(device_t &device, _Object object) { return downcast<output_latch_device &>(device).m_bit0_handler.set_callback(object); }
template<class _Object> static devcb_base &set_bit1_handler(device_t &device, _Object object) { return downcast<output_latch_device &>(device).m_bit1_handler.set_callback(object); }
template<class _Object> static devcb_base &set_bit2_handler(device_t &device, _Object object) { return downcast<output_latch_device &>(device).m_bit2_handler.set_callback(object); }
template<class _Object> static devcb_base &set_bit3_handler(device_t &device, _Object object) { return downcast<output_latch_device &>(device).m_bit3_handler.set_callback(object); }
template<class _Object> static devcb_base &set_bit4_handler(device_t &device, _Object object) { return downcast<output_latch_device &>(device).m_bit4_handler.set_callback(object); }
template<class _Object> static devcb_base &set_bit5_handler(device_t &device, _Object object) { return downcast<output_latch_device &>(device).m_bit5_handler.set_callback(object); }
template<class _Object> static devcb_base &set_bit6_handler(device_t &device, _Object object) { return downcast<output_latch_device &>(device).m_bit6_handler.set_callback(object); }
template<class _Object> static devcb_base &set_bit7_handler(device_t &device, _Object object) { return downcast<output_latch_device &>(device).m_bit7_handler.set_callback(object); }
void write(UINT8 data);
DECLARE_WRITE8_MEMBER(write) { write(data); }
protected:
virtual void device_start();
private:
bool m_resolved;
int m_bit0;
int m_bit1;
int m_bit2;
int m_bit3;
int m_bit4;
int m_bit5;
int m_bit6;
int m_bit7;
devcb_write_line m_bit0_handler;
devcb_write_line m_bit1_handler;
devcb_write_line m_bit2_handler;
devcb_write_line m_bit3_handler;
devcb_write_line m_bit4_handler;
devcb_write_line m_bit5_handler;
devcb_write_line m_bit6_handler;
devcb_write_line m_bit7_handler;
};
extern const device_type OUTPUT_LATCH;
#endif
|