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#include "devlegcy.h"

class tiamc1_state : public driver_device
{
public:
	tiamc1_state(const machine_config &mconfig, device_type type, const char *tag)
		: driver_device(mconfig, type, tag) { }

	UINT8 *m_tileram;
	UINT8 *m_charram;
	UINT8 *m_spriteram_x;
	UINT8 *m_spriteram_y;
	UINT8 *m_spriteram_a;
	UINT8 *m_spriteram_n;
	UINT8 m_layers_ctrl;
	UINT8 m_bg_vshift;
	UINT8 m_bg_hshift;
	tilemap_t *m_bg_tilemap1;
	tilemap_t *m_bg_tilemap2;
	rgb_t *m_palette;
	DECLARE_WRITE8_MEMBER(tiamc1_control_w);
	DECLARE_WRITE8_MEMBER(tiamc1_videoram_w);
	DECLARE_WRITE8_MEMBER(tiamc1_bankswitch_w);
	DECLARE_WRITE8_MEMBER(tiamc1_sprite_x_w);
	DECLARE_WRITE8_MEMBER(tiamc1_sprite_y_w);
	DECLARE_WRITE8_MEMBER(tiamc1_sprite_a_w);
	DECLARE_WRITE8_MEMBER(tiamc1_sprite_n_w);
	DECLARE_WRITE8_MEMBER(tiamc1_bg_vshift_w);
	DECLARE_WRITE8_MEMBER(tiamc1_bg_hshift_w);
	DECLARE_WRITE8_MEMBER(tiamc1_palette_w);
};


/*----------- defined in audio/tiamc1.c -----------*/

class tiamc1_sound_device : public device_t,
                                  public device_sound_interface
{
public:
	tiamc1_sound_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
	~tiamc1_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 TIAMC1;


WRITE8_DEVICE_HANDLER( tiamc1_timer0_w );
WRITE8_DEVICE_HANDLER( tiamc1_timer1_w );
WRITE8_DEVICE_HANDLER( tiamc1_timer1_gate_w );


/*----------- defined in video/tiamc1.c -----------*/

PALETTE_INIT( tiamc1 );
VIDEO_START( tiamc1 );
SCREEN_UPDATE_IND16( tiamc1 );