// 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__ */