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// license:BSD-3-Clause
// copyright-holders:R. Belmont
#pragma once
#ifndef __ES5503_H__
#define __ES5503_H__
// channels must be a power of two
#define MCFG_ES5503_ADD(_tag, _clock) \
MCFG_DEVICE_ADD(_tag, ES5503, _clock)
#define MCFG_ES5503_OUTPUT_CHANNELS(_channels) \
es5503_device::static_set_channels(*device, _channels);
#define MCFG_ES5503_IRQ_FUNC(_write) \
devcb = &es5503_device::static_set_irqf(*device, DEVCB_##_write);
#define MCFG_ES5503_ADC_FUNC(_read) \
devcb = &es5503_device::static_set_adcf(*device, DEVCB_##_read);
// ======================> es5503_device
class es5503_device : public device_t,
public device_sound_interface,
public device_memory_interface
{
public:
// construction/destruction
es5503_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
static void static_set_channels(device_t &device, int channels);
template<class _Object> static devcb_base &static_set_irqf(device_t &device, _Object object) { return downcast<es5503_device &>(device).m_irq_func.set_callback(object); }
template<class _Object> static devcb_base &static_set_adcf(device_t &device, _Object object) { return downcast<es5503_device &>(device).m_adc_func.set_callback(object); }
DECLARE_READ8_MEMBER(read);
DECLARE_WRITE8_MEMBER(write);
UINT8 get_channel_strobe() { return m_channel_strobe; }
sound_stream *m_stream;
protected:
// device-level overrides
virtual void device_start();
virtual void device_reset();
virtual void device_timer(emu_timer &timer, device_timer_id tid, int param, void *ptr);
// device_sound_interface overrides
virtual void sound_stream_update(sound_stream &stream, stream_sample_t **inputs, stream_sample_t **outputs, int samples);
// device_memory_interface overrides
virtual const address_space_config *memory_space_config(address_spacenum spacenum = AS_0) const;
const address_space_config m_space_config;
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 freq;
UINT16 wtsize;
UINT8 control;
UINT8 vol;
UINT8 data;
UINT32 wavetblpointer;
UINT8 wavetblsize;
UINT8 resolution;
UINT32 accumulator;
UINT8 irqpend;
};
ES5503Osc oscillators[32];
INT8 oscsenabled; // # of oscillators enabled
int rege0; // contents of register 0xe0
UINT8 m_channel_strobe;
int output_channels;
UINT32 output_rate;
emu_timer *m_timer;
direct_read_data *m_direct;
void halt_osc(int onum, int type, UINT32 *accumulator, int resshift);
};
// device type definition
extern const device_type ES5503;
#endif /* __ES5503_H__ */
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