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/*****************************************************************************
*
* includes/svision.h
*
****************************************************************************/
#ifndef SVISION_H_
#define SVISION_H_
typedef struct
{
emu_timer *timer1;
int timer_shot;
} svision_t;
typedef struct
{
int state;
int on, clock, data;
UINT8 input;
emu_timer *timer;
} svision_pet_t;
typedef struct
{
UINT32 palette[4/*0x40?*/]; /* rgb8 */
int palette_on;
} tvlink_t;
class svision_state : public driver_device
{
public:
svision_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag) ,
m_reg(*this, "reg"),
m_videoram(*this, "videoram"){ }
required_shared_ptr<UINT8> m_reg;
required_shared_ptr<UINT8> m_videoram;
device_t *m_sound;
int *m_dma_finished;
svision_t m_svision;
svision_pet_t m_pet;
tvlink_t m_tvlink;
DECLARE_READ8_MEMBER(svision_r);
DECLARE_WRITE8_MEMBER(svision_w);
DECLARE_READ8_MEMBER(tvlink_r);
DECLARE_WRITE8_MEMBER(tvlink_w);
DECLARE_DRIVER_INIT(svisions);
DECLARE_DRIVER_INIT(svision);
};
/*----------- defined in drivers/svision.c -----------*/
void svision_irq( running_machine &machine );
/*----------- defined in audio/svision.c -----------*/
class svision_sound_device : public device_t,
public device_sound_interface
{
public:
svision_sound_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
~svision_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();
// 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 SVISION;
int *svision_dma_finished(device_t *device);
void svision_sound_decrement(device_t *device);
void svision_soundport_w(device_t *device, int which, int offset, int data);
WRITE8_DEVICE_HANDLER( svision_sounddma_w );
WRITE8_DEVICE_HANDLER( svision_noise_w );
#endif /* SVISION_H_ */
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