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
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
|
// license:BSD-3-Clause
// copyright-holders:Ryan Holtz
/*
* nld_dm9334.cpp
*
*/
#include "nld_dm9334.h"
#include "netlist/nl_base.h"
#include "nlid_system.h"
namespace netlist
{
namespace devices
{
NETLIB_OBJECT(9334)
{
NETLIB_CONSTRUCTOR(9334)
, m_CQ(*this, "CQ")
, m_EQ(*this, "EQ")
, m_D(*this, "D")
, m_A(*this, {{"A0", "A1", "A2"}})
, m_Q(*this, {{"Q0", "Q1", "Q2", "Q3", "Q4", "Q5", "Q6", "Q7"}})
, m_last_CQ(*this, "m_last_CQ", 0)
, m_last_EQ(*this, "m_last_EQ", 0)
, m_last_D(*this, "m_last_D", 0)
, m_last_A(*this, "m_last_A", 0)
, m_last_Q(*this, "m_last_Q", 0)
, m_power_pins(*this)
{
}
NETLIB_RESETI();
NETLIB_UPDATEI();
protected:
logic_input_t m_CQ;
logic_input_t m_EQ;
logic_input_t m_D;
object_array_t<logic_input_t, 3> m_A;
object_array_t<logic_output_t, 8> m_Q;
state_var<unsigned> m_last_CQ;
state_var<unsigned> m_last_EQ;
state_var<unsigned> m_last_D;
state_var<unsigned> m_last_A;
state_var<unsigned> m_last_Q;
nld_power_pins m_power_pins;
};
NETLIB_OBJECT_DERIVED(9334_dip, 9334)
{
NETLIB_CONSTRUCTOR_DERIVED(9334_dip, 9334)
{
register_subalias("1", m_A[0]);
register_subalias("2", m_A[1]);
register_subalias("3", m_A[2]);
register_subalias("4", m_Q[0]);
register_subalias("5", m_Q[1]);
register_subalias("6", m_Q[2]);
register_subalias("7", m_Q[3]);
register_subalias("8", "GND");
register_subalias("9", m_Q[4]);
register_subalias("10", m_Q[5]);
register_subalias("11", m_Q[6]);
register_subalias("12", m_Q[7]);
register_subalias("13", m_D);
register_subalias("14", m_EQ);
register_subalias("15", m_CQ);
register_subalias("16", "VCC");
}
};
NETLIB_RESET(9334)
{
m_last_CQ = 0;
m_last_EQ = 0;
m_last_D = 0;
m_last_A = 0;
m_last_Q = 0;
}
NETLIB_UPDATE(9334)
{
uint_fast8_t a = 0;
for (std::size_t i=0; i<3; i++)
{
a |= (m_A[i]() << i);
}
netlist_time delay = NLTIME_FROM_NS(27); // Clear Low to High Level Output (not documented, making reasonable guess)
if (a != m_last_A)
{
delay = NLTIME_FROM_NS(35);
}
else if (m_D() != m_last_D)
{
if (m_last_D)
{
delay = NLTIME_FROM_NS(28);
}
else
{
delay = NLTIME_FROM_NS(35);
}
}
else if (m_EQ() != m_last_EQ)
{
if (m_last_EQ)
{
delay = NLTIME_FROM_NS(27);
}
else
{
delay = NLTIME_FROM_NS(28);
}
}
unsigned q = m_last_Q;
if (!m_CQ())
{
if (m_EQ())
{
q = 0;
}
else
{
q = m_D() << a;
}
}
else if(!m_EQ())
{
q &= ~(1 << a);
q |= (m_D() << a);
}
m_last_CQ = m_CQ();
m_last_EQ = m_EQ();
m_last_D = m_D();
m_last_A = a;
m_last_Q = q;
for (std::size_t i=0; i<8; i++)
m_Q[i].push((q >> i) & 1, delay);
}
NETLIB_DEVICE_IMPL(9334, "TTL_9334", "+CQ,+EQ,+D,+A0,+A1,+A2,@VCC,@GND")
NETLIB_DEVICE_IMPL(9334_dip, "TTL_9334_DIP", "")
} //namespace devices
} // namespace netlist
|