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// license:BSD-3-Clause
// copyright-holders:Christian Brunschen
#ifndef MAME_SOUND_ESQPUMP_H
#define MAME_SOUND_ESQPUMP_H
#pragma once
#include "sound/es5506.h"
#include "cpu/es5510/es5510.h"
#define PUMP_DETECT_SILENCE 0
#define PUMP_TRACK_SAMPLES 0
#define PUMP_FAKE_ESP_PROCESSING 0
#define PUMP_REPLACE_ESP_PROGRAM 0
class esq_5505_5510_pump_device : public device_t, public device_sound_interface
{
public:
static constexpr feature_type imperfect_features() { return feature::SOUND; }
esq_5505_5510_pump_device(const machine_config &mconfig, const char *tag, device_t *owner, const XTAL &clock);
template <typename T> void set_esp(T &&tag) { m_esp.set_tag(std::forward<T>(tag)); }
void set_esp_halted(bool esp_halted) {
m_esp_halted = esp_halted;
logerror("ESP-halted -> %d\n", m_esp_halted);
if (!esp_halted) {
#if PUMP_REPLACE_ESP_PROGRAM
m_esp->write_reg(245, 0x1d0f << 8); // dlength = 0x3fff, 16-sample delay
int pc = 0;
for (pc = 0; pc < 0xc0; pc++) {
m_esp->write_reg(pc, 0);
}
pc = 0;
// replace the ESP program with a simple summing & single-sample delay
m_esp->_instr(pc++) = 0xffffeaa09000; // MOV SER0R > grp_a0
m_esp->_instr(pc++) = 0xffffeba00000; // ADD SER0L, gpr_a0 > gpr_a0
m_esp->_instr(pc++) = 0xffffeca00000; // ADD SER1R, gpr_a0 > gpr_a0
m_esp->_instr(pc++) = 0xffffeda00000; // ADD SER1L, gpr_a0 > gpr_a0
m_esp->_instr(pc++) = 0xffffeea00000; // ADD SER2R, gpr_a0 > gpr_a0
m_esp->_instr(pc ) = 0xffffefa00000; // ADD SER2L, gpr_a0 > gpr_a0; prepare to read from delay 2 instructions from now, offset = 0
m_esp->write_reg(pc++, 0); //offset into delay
m_esp->_instr(pc ) = 0xffffa0a09508; // MOV gpr_a0 > delay + offset
m_esp->write_reg(pc++, 1 << 8); // offset into delay - -1 samples
m_esp->_instr(pc++) = 0xffff00a19928; // MOV DIL > gpr_a1; read Delay and dump FIFO (so that the value gets written)
m_esp->_instr(pc++) = 0xffffa1f09000; // MOV gpr_a1 > SER3R
m_esp->_instr(pc++) = 0xffffa1f19000; // MOV gpr_a1 > SER3L
m_esp->_instr(pc++) = 0xffffffff0000; // NO-OP
m_esp->_instr(pc++) = 0xffffffff0000; // NO-OP
m_esp->_instr(pc++) = 0xfffffffff000; // END
while (pc < 160) {
m_esp->_instr(pc++) = 0xffffffffffff; // no-op
}
#endif
// m_esp->list_program(print_to_stderr);
}
}
bool get_esp_halted() {
return m_esp_halted;
}
protected:
// device-level overrides
virtual void device_start() override;
virtual void device_clock_changed() override;
// sound stream update overrides
virtual void sound_stream_update(sound_stream &stream, std::vector<read_stream_view> const &inputs, std::vector<write_stream_view> &outputs) override;
private:
// internal state:
// sound stream
sound_stream *m_stream;
// ESP signal processor
required_device<es5510_device> m_esp;
// Is the ESP halted by the CPU?
bool m_esp_halted;
#if !PUMP_FAKE_ESP_PROCESSING
osd_ticks_t ticks_spent_processing;
int samples_processed;
#endif
#if PUMP_DETECT_SILENCE
int silent_for;
bool was_silence;
#endif
#if PUMP_TRACK_SAMPLES
int last_samples;
osd_ticks_t last_ticks;
osd_ticks_t next_report_ticks;
#endif
#if !PUMP_FAKE_ESP_PROCESSING && PUMP_REPLACE_ESP_PROGRAM
std::vector<stream_buffer::sample_t> e;
int ei;
#endif
};
DECLARE_DEVICE_TYPE(ESQ_5505_5510_PUMP, esq_5505_5510_pump_device)
#endif // MAME_SOUND_ESQPUMP_H
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