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// license:BSD-3-Clause
// copyright-holders:R. Belmont
#ifndef MAME_SOUND_ES5503_H
#define MAME_SOUND_ES5503_H
#pragma once
// ======================> es5503_device
class es5503_device : public device_t,
public device_sound_interface,
public device_rom_interface
{
public:
// construction/destruction
es5503_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
// channels must be a power of two
void set_channels(int channels) { output_channels = channels; }
template <class Object> devcb_base &set_irqf(Object &&cb) { return m_irq_func.set_callback(std::forward<Object>(cb)); }
template <class Object> devcb_base &set_adcf(Object &&cb) { return m_adc_func.set_callback(std::forward<Object>(cb)); }
auto irq_func() { return m_irq_func.bind(); }
auto adc_func() { return m_adc_func.bind(); }
DECLARE_READ8_MEMBER(read);
DECLARE_WRITE8_MEMBER(write);
uint8_t get_channel_strobe() { return m_channel_strobe; }
protected:
// device-level overrides
virtual void device_start() override;
virtual void device_clock_changed() override;
virtual void device_reset() override;
virtual void device_timer(emu_timer &timer, device_timer_id tid, int param, void *ptr) override;
// device_sound_interface overrides
virtual void sound_stream_update(sound_stream &stream, stream_sample_t **inputs, stream_sample_t **outputs, int samples) override;
// device_rom_interface overrides
virtual void rom_bank_updated() override;
sound_stream *m_stream;
devcb_write_line m_irq_func;
devcb_read8 m_adc_func;
emu_timer *m_sync_timer;
private:
enum
{
MODE_FREE = 0,
MODE_ONESHOT = 1,
MODE_SYNCAM = 2,
MODE_SWAP = 3
};
struct ES5503Osc
{
uint16_t freq;
uint16_t wtsize;
uint8_t control;
uint8_t vol;
uint8_t data;
uint32_t wavetblpointer;
uint8_t wavetblsize;
uint8_t resolution;
uint32_t accumulator;
uint8_t irqpend;
};
ES5503Osc oscillators[32];
int8_t oscsenabled; // # of oscillators enabled
int rege0; // contents of register 0xe0
uint8_t m_channel_strobe;
int output_channels;
uint32_t output_rate;
emu_timer *m_timer;
void halt_osc(int onum, int type, uint32_t *accumulator, int resshift);
};
// device type definition
DECLARE_DEVICE_TYPE(ES5503, es5503_device)
#endif // MAME_SOUND_ES5503_H
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