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/**********************************************************************
"Dave" Sound Chip
**********************************************************************/
#ifndef __DAVE_H__
#define __DAVE_H__
#include "devcb.h"
/***************************************************************************
MACROS / CONSTANTS
***************************************************************************/
class dave_sound_device : public device_t,
public device_sound_interface
{
public:
dave_sound_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
~dave_sound_device() { global_free(m_token); }
// access to legacy token
void *token() const { assert(m_token != NULL); return m_token; }
protected:
// device-level overrides
virtual void device_config_complete();
virtual void device_start();
virtual void device_reset();
// sound stream update overrides
virtual void sound_stream_update(sound_stream &stream, stream_sample_t **inputs, stream_sample_t **outputs, int samples);
private:
// internal state
void *m_token;
};
extern const device_type DAVE;
#define DAVE_INT_SELECTABLE 0
#define DAVE_INT_1KHZ_50HZ_TG 1
#define DAVE_INT_1HZ 2
#define DAVE_INT_INT1 3
#define DAVE_INT_INT2 4
#define DAVE_FIFTY_HZ_COUNTER_RELOAD 20
#define DAVE_ONE_HZ_COUNTER_RELOAD 1000
/* id's of external ints */
enum
{
DAVE_INT1_ID,
DAVE_INT2_ID
};
/***************************************************************************
TYPE DEFINITIONS
***************************************************************************/
struct dave_interface
{
devcb_read8 reg_r;
devcb_write8 reg_w;
devcb_write_line int_callback;
};
/***************************************************************************
PROTOTYPES
***************************************************************************/
void dave_set_reg(device_t *device, offs_t offset, UINT8 data);
READ8_DEVICE_HANDLER ( dave_reg_r );
WRITE8_DEVICE_HANDLER ( dave_reg_w );
#endif /* __DAVE_H__ */
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