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#pragma once

#ifndef __ES5503_H__
#define __ES5503_H__

#define MCFG_ES5503_ADD(_tag, _clock, _irqf, _adcf) \
	MCFG_DEVICE_ADD(_tag, ES5503, _clock) \
	MCFG_ES5503_IRQ_FUNC(_irqf) \
	MCFG_ES5503_ADC_FUNC(_adcf)

#define MCFG_ES5503_REPLACE(_tag, _clock, _irqf, _adcf) \
	MCFG_DEVICE_REPLACE(_tag, ES5503, _clock) \
	MCFG_ES5503_IRQ_FUNC(_irqf) \
	MCFG_ES5503_ADC_FUNC(_adcf)

#define MCFG_ES5503_IRQ_FUNC(_irqf) \
	es5503_device::static_set_irqf(*device, _irqf); \

#define MCFG_ES5503_ADC_FUNC(_adcf) \
	es5503_device::static_set_adcf(*device, _adcf); \

// ======================> 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_irqf(device_t &device, void (*irqf)(device_t *device, int state));
    static void static_set_adcf(device_t &device, UINT8 (*adcf)(device_t *device));

	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;

	void (*m_irq_func)(device_t *device, int state);
	UINT8 (*m_adc_func)(device_t *device);

	emu_timer *m_sync_timer;

private:
    enum
    {
    	MODE_FREE = 0,
    	MODE_ONESHOT = 1,
    	MODE_SYNCAM = 2,
    	MODE_SWAP = 3
    };

    typedef struct
    {
    	UINT16 freq;
    	UINT16 wtsize;
    	UINT8  control;
    	UINT8  vol;
    	UINT8  data;
    	UINT32 wavetblpointer;
    	UINT8  wavetblsize;
    	UINT8  resolution;

    	UINT32 accumulator;
    	UINT8  irqpend;
    } ES5503Osc;

	ES5503Osc oscillators[32];

    INT8  oscsenabled;		// # of oscillators enabled
    int   rege0;			// contents of register 0xe0

    UINT8 m_channel_strobe;

    UINT32 output_rate;

    emu_timer *m_timer;

    direct_read_data *m_direct;

    void halt_osc(int onum, int type, UINT32 *accumulator);
};


// device type definition
extern const device_type ES5503;

#endif /* __ES5503_H__ */