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// license:LGPL-2.1+
// copyright-holders:David Haywood, Angelo Salese, ElSemi
//**************************************************************************
// TYPE DEFINITIONS
//**************************************************************************
struct l7a1045_voice
{
l7a1045_voice() :
pos(0),
frac(0)
{
//memset(regs, 0, sizeof(UINT32)*8);
start = 0;
}
UINT32 start;
UINT32 end;
bool mode;
UINT32 pos;
UINT32 frac;
UINT16 l_volume;
UINT16 r_volume;
};
// ======================> l7a1045_sound_device
class l7a1045_sound_device : public device_t,
public device_sound_interface
{
public:
l7a1045_sound_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
~l7a1045_sound_device() { }
// void set_base(INT8* base) { m_base = base; }
DECLARE_WRITE16_MEMBER( l7a1045_sound_w );
DECLARE_READ16_MEMBER( l7a1045_sound_r );
protected:
// device-level overrides
virtual void device_start();
// sound stream update overrides
virtual void sound_stream_update(sound_stream &stream, stream_sample_t **inputs, stream_sample_t **outputs, int samples);
private:
sound_stream *m_stream;
l7a1045_voice m_voice[32];
UINT32 m_key;
UINT8 *m_rom;
INT32 m_rom_size;
UINT8 m_audiochannel;
UINT8 m_audioregister;
struct l7a1045_48bit_data {
UINT16 dat[3];
};
l7a1045_48bit_data m_audiodat[0x10][0x20];
DECLARE_WRITE16_MEMBER(sound_select_w);
DECLARE_WRITE16_MEMBER(sound_data_w);
DECLARE_READ16_MEMBER(sound_data_r);
DECLARE_WRITE16_MEMBER(sound_status_w);
};
extern const device_type L7A1045;
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