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
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
|
// license:BSD-3-Clause
// copyright-holders:Christian Brunschen
/***************************************************************************
esqpump.c - Ensoniq 5505/5506 to 5510 interface.
By Christian Brunschen
***************************************************************************/
#include "emu.h"
#include "sound/esqpump.h"
DEFINE_DEVICE_TYPE(ESQ_5505_5510_PUMP, esq_5505_5510_pump_device, "esq_5505_5510_pump", "Ensoniq 5505/5506 to 5510 interface")
esq_5505_5510_pump_device::esq_5505_5510_pump_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock)
: device_t(mconfig, ESQ_5505_5510_PUMP, tag, owner, clock)
, device_sound_interface(mconfig, *this)
, m_stream(nullptr), m_timer(nullptr), m_otis(nullptr), m_esp(nullptr)
, m_esp_halted(true), ticks_spent_processing(0), samples_processed(0)
{
}
void esq_5505_5510_pump_device::device_start()
{
logerror("Clock = %d\n", clock());
m_stream = machine().sound().stream_alloc(*this, 8, 2, clock());
m_timer = timer_alloc(0);
m_timer->enable(false);
#if PUMP_DETECT_SILENCE
silent_for = 500;
was_silence = 1;
#endif
#if !PUMP_FAKE_ESP_PROCESSING
ticks_spent_processing = 0;
samples_processed = 0;
#endif
#if PUMP_TRACK_SAMPLES
last_samples = 0;
last_ticks = osd_ticks();
next_report_ticks = last_ticks + osd_ticks_per_second();
#endif
#if !PUMP_FAKE_ESP_PROCESSING && PUMP_REPLACE_ESP_PROGRAM
memset(e, 0, 0x4000 * sizeof(e[0]));
ei = 0;
#endif
}
void esq_5505_5510_pump_device::device_stop()
{
m_timer->enable(false);
}
void esq_5505_5510_pump_device::device_reset()
{
int64_t nsec_per_sample = 100 * 16 * 21;
attotime sample_time(0, 1000000000 * nsec_per_sample);
attotime initial_delay(0, 0);
m_timer->adjust(initial_delay, 0, sample_time);
m_timer->enable(true);
}
void esq_5505_5510_pump_device::sound_stream_update(sound_stream &stream, stream_sample_t **inputs, stream_sample_t **outputs, int samples)
{
if (samples != 1) {
logerror("Pump: request for %d samples\n", samples);
}
stream_sample_t *left = outputs[0], *right = outputs[1];
for (int i = 0; i < samples; i++)
{
#define SAMPLE_SHIFT 4
// anything for the 'aux' output?
int16_t l = inputs[0][i] >> SAMPLE_SHIFT;
int16_t r = inputs[1][i] >> SAMPLE_SHIFT;
// push the samples into the ESP
m_esp->ser_w(0, inputs[2][i] >> SAMPLE_SHIFT);
m_esp->ser_w(1, inputs[3][i] >> SAMPLE_SHIFT);
m_esp->ser_w(2, inputs[4][i] >> SAMPLE_SHIFT);
m_esp->ser_w(3, inputs[5][i] >> SAMPLE_SHIFT);
m_esp->ser_w(4, inputs[6][i] >> SAMPLE_SHIFT);
m_esp->ser_w(5, inputs[7][i] >> SAMPLE_SHIFT);
#if PUMP_FAKE_ESP_PROCESSING
m_esp->ser_w(6, m_esp->ser_r(0) + m_esp->ser_r(2) + m_esp->ser_r(4));
m_esp->ser_w(7, m_esp->ser_r(1) + m_esp->ser_r(3) + m_esp->ser_r(5));
#else
if (!m_esp_halted) {
logerror("passing one sample through ESP\n");
osd_ticks_t a = osd_ticks();
m_esp->run_once();
osd_ticks_t b = osd_ticks();
ticks_spent_processing += (b - a);
samples_processed++;
}
#endif
// read the processed result from the ESP and add to the saved AUX data
int16_t ll = m_esp->ser_r(6);
int16_t rr = m_esp->ser_r(7);
l += ll;
r += rr;
#if !PUMP_FAKE_ESP_PROCESSING && PUMP_REPLACE_ESP_PROGRAM
// if we're processing the fake program through the ESP, the result should just be that of adding the inputs
int32_t el = (inputs[2][i]) + (inputs[4][i]) + (inputs[6][i]);
int32_t er = (inputs[3][i]) + (inputs[5][i]) + (inputs[7][i]);
int32_t e_next = el + er;
e[(ei + 0x1d0f) % 0x4000] = e_next;
if (l != e[ei]) {
util::stream_format(std::cerr, "expected (%d) but have (%d)\n", e[ei], l);
}
ei = (ei + 1) % 0x4000;
#endif
// write the combined data to the output
*left++ = l;
*right++ = r;
}
#if PUMP_DETECT_SILENCE
for (int i = 0; i < samples; i++) {
if (outputs[0][i] == 0 && outputs[1][i] == 0) {
silent_for++;
} else {
silent_for = 0;
}
}
bool silence = silent_for >= 500;
if (was_silence != silence) {
if (!silence) {
util::stream_format(std::cerr, ".-*\n");
} else {
util::stream_format(std::cerr, "*-.\n");
}
was_silence = silence;
}
#endif
#if PUMP_TRACK_SAMPLES
last_samples += samples;
osd_ticks_t now = osd_ticks();
if (now >= next_report_ticks)
{
osd_ticks_t elapsed = now - last_ticks;
osd_ticks_t tps = osd_ticks_per_second();
util::stream_format(std::cerr, "Pump: %d samples in %d ticks for %f Hz\n", last_samples, elapsed, last_samples * (double)tps / (double)elapsed);
last_ticks = now;
while (next_report_ticks <= now) {
next_report_ticks += tps;
}
last_samples = 0;
#if !PUMP_FAKE_ESP_PROCESSING
util::stream_format(std::cerr, " ESP spent %d ticks on %d samples, %f ticks per sample\n", ticks_spent_processing, samples_processed, (double)ticks_spent_processing / (double)samples_processed);
ticks_spent_processing = 0;
samples_processed = 0;
#endif
}
#endif
}
void esq_5505_5510_pump_device::device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr) {
// ecery time there's a new sample period, update the stream!
m_stream->update();
}
|