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// license:BSD-3-Clause
// copyright-holders:Aaron Giles,Frank Palazzolo
#pragma once
#ifndef __ASTROCDE_H__
#define __ASTROCDE_H__
//**************************************************************************
// INTERFACE CONFIGURATION MACROS
//**************************************************************************
#define MCFG_ASTROCADE_ADD(_tag, _clock) \
MCFG_DEVICE_ADD(_tag, ASTROCADE, _clock)
#define MCFG_ASTROCADE_REPLACE(_tag, _clock) \
MCFG_DEVICE_REPLACE(_tag, ASTROCADE, _clock)
//**************************************************************************
// TYPE DEFINITIONS
//**************************************************************************
// ======================> astrocade_device
class astrocade_device : public device_t,
public device_sound_interface
{
public:
astrocade_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
~astrocade_device() { }
protected:
// device-level overrides
virtual void device_start() override;
virtual void device_reset() override;
// sound stream update overrides
virtual void sound_stream_update(sound_stream &stream, stream_sample_t **inputs, stream_sample_t **outputs, int samples) override;
public:
DECLARE_WRITE8_MEMBER( astrocade_sound_w );
private:
void state_save_register();
private:
sound_stream *m_stream; /* sound stream */
UINT8 m_reg[8]; /* 8 control registers */
UINT8 m_master_count; /* current master oscillator count */
UINT16 m_vibrato_clock; /* current vibrato clock */
UINT8 m_noise_clock; /* current noise generator clock */
UINT16 m_noise_state; /* current noise LFSR state */
UINT8 m_a_count; /* current tone generator A count */
UINT8 m_a_state; /* current tone generator A state */
UINT8 m_b_count; /* current tone generator B count */
UINT8 m_b_state; /* current tone generator B state */
UINT8 m_c_count; /* current tone generator C count */
UINT8 m_c_state; /* current tone generator C state */
UINT8 m_bitswap[256]; /* bitswap table */
};
extern const device_type ASTROCADE;
#endif /* __ASTROCDE_H__ */
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