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
|
// license:BSD-3-Clause
// copyright-holders:Ryan Holtz
/***************************************************************************
tmc208k.h
TRW TMC208K/TMC28KU 8x8-bit Parallel Multiplier
Known Equivalents:
- Logic Devices Inc. LMU08/8U
***************************************************************************/
#ifndef MAME_MACHINE_TMC208K_H
#define MAME_MACHINE_TMC208K_H
#pragma once
//**************************************************************************
// TYPE DEFINITIONS
//**************************************************************************
// ======================> tmc208_base_device
template <typename RegType, typename OutType>
class tmc208_base_device : public device_t
{
public:
// construction/destruction
tmc208_base_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, uint32_t clock = 0);
void a_w(uint8_t data);
void b_w(uint8_t data);
void trim_w(int state);
void tril_w(int state);
void clk_a_w(int state);
void clk_b_w(int state);
void clk_r_w(int state);
void rnd_w(int state);
// Outputs by group
auto msp() { return m_msp.bind(); }
auto lsp() { return m_lsp.bind(); }
// Full output
auto r() { return m_r.bind(); }
protected:
// device-level overrides
virtual void device_start() override ATTR_COLD;
virtual void device_reset() override ATTR_COLD;
void clock_a();
virtual void clock_b();
void multiply();
RegType m_a_in;
RegType m_a;
RegType m_b_in;
RegType m_b;
OutType m_r_out;
bool m_trim;
bool m_tril;
bool m_clk_a;
bool m_clk_b;
bool m_clk_r;
bool m_rnd_in;
bool m_rnd;
devcb_write8 m_msp;
devcb_write8 m_lsp;
devcb_write16 m_r;
};
// ======================> tmc208k_device
class tmc208k_device : public tmc208_base_device<int8_t, int16_t>
{
public:
// construction/destruction
tmc208k_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock = 0);
};
// ======================> tmc28ku_device
class tmc28ku_device : public tmc208_base_device<uint8_t, uint16_t>
{
public:
// construction/destruction
tmc28ku_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock = 0);
protected:
virtual void clock_b() override;
};
// device type definition
DECLARE_DEVICE_TYPE(TMC208K, tmc208k_device)
DECLARE_DEVICE_TYPE(TMC28KU, tmc28ku_device)
#endif // MAME_MACHINE_TMC208K_H
|