// license:BSD-3-Clause // copyright-holders:Christian Brunschen /*************************************************************************** esqpump.cpp - Ensoniq 5505/5506 to 5510 interface. By Christian Brunschen ***************************************************************************/ #include "emu.h" #include "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_esp(*this, finder_base::DUMMY_TAG) , m_esp_halted(true) , ticks_spent_processing(0) , samples_processed(0) { } void esq_5505_5510_pump_device::device_start() { m_stream = stream_alloc(8, 2, clock(), STREAM_SYNCHRONOUS); #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 e.resize(0x4000); ei = 0; #endif } void esq_5505_5510_pump_device::device_clock_changed() { m_stream->set_sample_rate(clock()); } void esq_5505_5510_pump_device::sound_stream_update(sound_stream &stream) { #define SAMPLE_SHIFT 4 constexpr sound_stream::sample_t input_scale = 32768.0 / (1 << SAMPLE_SHIFT); // anything for the 'aux' output? sound_stream::sample_t l = stream.get(0, 0) * (1.0 / (1 << SAMPLE_SHIFT)); sound_stream::sample_t r = stream.get(1, 0) * (1.0 / (1 << SAMPLE_SHIFT)); // push the samples into the ESP m_esp->ser_w(0, s32(stream.get(2, 0) * input_scale)); m_esp->ser_w(1, s32(stream.get(3, 0) * input_scale)); m_esp->ser_w(2, s32(stream.get(4, 0) * input_scale)); m_esp->ser_w(3, s32(stream.get(5, 0) * input_scale)); m_esp->ser_w(4, s32(stream.get(6, 0) * input_scale)); m_esp->ser_w(5, s32(stream.get(7, 0) * input_scale)); #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) { 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 sound_stream::sample_t ll = sound_stream::sample_t(m_esp->ser_r(6)) * (1.0 / 32768.0); sound_stream::sample_t rr = sound_stream::sample_t(m_esp->ser_r(7)) * (1.0 / 32768.0); 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 sound_stream::sample_t el = (stream.get(2, 0)) + (stream.get(4, 0)) + (stream.get(6, 0)); sound_stream::sample_t er = (stream.get(3, 0)) + (stream.get(5, 0)) + (stream.get(7, 0)); sound_stream::sample_t e_next = el + er; e[(ei + 0x1d0f) % 0x4000] = e_next; if (fabs(l - e[ei]) > 1e-5) { 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 stream.put(0, 0, l); stream.put(1, 0, r); #if PUMP_DETECT_SILENCE if (left.get(0) == 0 && right.get(0) == 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 }