#pragma once
#ifndef __GALELCO_H__
#define __GALELCO_H__
#define GAELCO_NUM_CHANNELS 0x07
#define GAELCO_VOLUME_LEVELS 0x10
//**************************************************************************
// INTERFACE CONFIGURATION MACROS
//**************************************************************************
#define MCFG_GAELCO_GAE1_ADD(_tag, _clock) \
MCFG_DEVICE_ADD(_tag, GAELCO_GAE1, _clock)
#define MCFG_GAELCO_GAE1_REPLACE(_tag, _clock) \
MCFG_DEVICE_REPLACE(_tag, GAELCO_GAE1, _clock)
#define MCFG_GAELCO_CG1V_ADD(_tag, _clock) \
MCFG_DEVICE_ADD(_tag, GAELCO_CG1V, _clock)
#define MCFG_GAELCO_CG1V_REPLACE(_tag, _clock) \
MCFG_DEVICE_REPLACE(_tag, GAELCO_CG1V, _clock)
//**************************************************************************
// TYPE DEFINITIONS
//**************************************************************************
// ======================> Sound Channel
struct gaelco_sound_channel
{
int active; // is it playing?
int loop; // = 0 no looping, = 1 looping
int chunkNum; // current chunk if looping
};
// ======================> External interface
struct gaelcosnd_interface
{
const char *gfxregion; /* shared gfx region name */
int banks[4]; /* start of each ROM bank */
};
// ======================> gaelco_gae1_device
class gaelco_gae1_device : public device_t,
public device_sound_interface
{
public:
gaelco_gae1_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
gaelco_gae1_device(const machine_config &mconfig, device_type type, const char *name, const char *tag, device_t *owner, UINT32 clock, const char *shortname, const char *source);
~gaelco_gae1_device() { }
protected:
// device-level overrides
virtual void device_start();
virtual void device_stop();
// sound stream update overrides
virtual void sound_stream_update(sound_stream &stream, stream_sample_t **inputs, stream_sample_t **outputs, int samples);
public:
DECLARE_WRITE16_MEMBER( gaelcosnd_w );
DECLARE_READ16_MEMBER( gaelcosnd_r );
private:
sound_stream *m_stream; /* our stream */
UINT8 *m_snd_data; /* PCM data */
int m_banks[4]; /* start of each ROM bank */
gaelco_sound_channel m_channel[GAELCO_NUM_CHANNELS]; /* 7 stereo channels */
UINT16 m_sndregs[0x38];
// Table for converting from 8 to 16 bits with volume control
INT16 m_volume_table[GAELCO_VOLUME_LEVELS][256];
};
extern const device_type GAELCO_GAE1;
// ======================> gaelco_cg1v_device
class gaelco_cg1v_device : public gaelco_gae1_device
{
public:
gaelco_cg1v_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
};
extern const device_type GAELCO_CG1V;
#endif /* __GALELCO_H__ */