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
|
#ifdef CONTROLLER_CPP
void Justifier::enter() {
unsigned prev = 0;
while(true) {
unsigned next = cpu.vcounter() * 1364 + cpu.hcounter();
signed x = (active == 0 ? player1.x : player2.x), y = (active == 0 ? player1.y : player2.y);
bool offscreen = (x < 0 || y < 0 || x >= 256 || y >= (ppu.overscan() ? 240 : 225));
if(offscreen == false) {
unsigned target = y * 1364 + (x + 24) * 4;
if(next >= target && prev < target) {
//CRT raster detected, toggle iobit to latch counters
iobit(0);
iobit(1);
}
}
if(next < prev) {
int nx1 = interface->inputPoll(port, device, 0 + (unsigned)Input::JustifierID::X);
int ny1 = interface->inputPoll(port, device, 0 + (unsigned)Input::JustifierID::Y);
nx1 += player1.x;
ny1 += player1.y;
player1.x = max(-16, min(256 + 16, nx1));
player1.y = max(-16, min(240 + 16, ny1));
}
if(next < prev && chained) {
int nx2 = interface->inputPoll(port, device, 4 + (unsigned)Input::JustifierID::X);
int ny2 = interface->inputPoll(port, device, 4 + (unsigned)Input::JustifierID::Y);
nx2 += player2.x;
ny2 += player2.y;
player2.x = max(-16, min(256 + 16, nx2));
player2.y = max(-16, min(240 + 16, ny2));
}
prev = next;
step(2);
}
}
uint2 Justifier::data() {
if(counter >= 32) return 1;
if(counter == 0) {
player1.trigger = interface->inputPoll(port, device, 0 + (unsigned)Input::JustifierID::Trigger);
player1.start = interface->inputPoll(port, device, 0 + (unsigned)Input::JustifierID::Start);
}
if(counter == 0 && chained) {
player2.trigger = interface->inputPoll(port, device, 4 + (unsigned)Input::JustifierID::Trigger);
player2.start = interface->inputPoll(port, device, 4 + (unsigned)Input::JustifierID::Start);
}
switch(counter++) {
case 0: return 0;
case 1: return 0;
case 2: return 0;
case 3: return 0;
case 4: return 0;
case 5: return 0;
case 6: return 0;
case 7: return 0;
case 8: return 0;
case 9: return 0;
case 10: return 0;
case 11: return 0;
case 12: return 1; //signature
case 13: return 1; // ||
case 14: return 1; // ||
case 15: return 0; // ||
case 16: return 0;
case 17: return 1;
case 18: return 0;
case 19: return 1;
case 20: return 0;
case 21: return 1;
case 22: return 0;
case 23: return 1;
case 24: return player1.trigger;
case 25: return player2.trigger;
case 26: return player1.start;
case 27: return player2.start;
case 28: return active;
case 29: return 0;
case 30: return 0;
case 31: return 0;
}
}
void Justifier::latch(bool data) {
if(latched == data) return;
latched = data;
counter = 0;
if(latched == 0) active = !active; //toggle between both controllers, even when unchained
}
Justifier::Justifier(bool port, bool chained):
Controller(port),
chained(chained),
device(chained == false ? (unsigned)Input::Device::Justifier : (unsigned)Input::Device::Justifiers)
{
create(Controller::Enter, 21477272);
latched = 0;
counter = 0;
active = 0;
player1.x = 256 / 2;
player1.y = 240 / 2;
player1.trigger = false;
player2.start = false;
player2.x = 256 / 2;
player2.y = 240 / 2;
player2.trigger = false;
player2.start = false;
if(chained == false) {
player2.x = -1;
player2.y = -1;
} else {
player1.x -= 16;
player2.x += 16;
}
}
#endif
|
