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/*************************************************************************
The Main Event / Devastators
*************************************************************************/
class mainevt_state : public driver_device
{
public:
mainevt_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag) { }
/* memory pointers */
// UINT8 * m_paletteram; // currently this uses generic palette handling
/* video-related */
int m_layer_colorbase[3];
int m_sprite_colorbase;
/* misc */
int m_nmi_enable;
UINT8 m_sound_irq_mask;
/* devices */
cpu_device *m_maincpu;
cpu_device *m_audiocpu;
device_t *m_upd;
device_t *m_k007232;
device_t *m_k052109;
device_t *m_k051960;
DECLARE_WRITE8_MEMBER(dv_nmienable_w);
DECLARE_WRITE8_MEMBER(mainevt_bankswitch_w);
DECLARE_WRITE8_MEMBER(mainevt_coin_w);
DECLARE_WRITE8_MEMBER(mainevt_sh_irqtrigger_w);
DECLARE_WRITE8_MEMBER(mainevt_sh_irqcontrol_w);
DECLARE_WRITE8_MEMBER(devstor_sh_irqcontrol_w);
DECLARE_WRITE8_MEMBER(mainevt_sh_bankswitch_w);
DECLARE_READ8_MEMBER(k052109_051960_r);
DECLARE_WRITE8_MEMBER(k052109_051960_w);
DECLARE_READ8_MEMBER(mainevt_sh_busy_r);
DECLARE_WRITE8_MEMBER(dv_sh_bankswitch_w);
virtual void machine_start();
virtual void machine_reset();
DECLARE_VIDEO_START(mainevt);
DECLARE_VIDEO_START(dv);
UINT32 screen_update_mainevt(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
UINT32 screen_update_dv(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
};
/*----------- defined in video/mainevt.c -----------*/
extern void mainevt_tile_callback(running_machine &machine, int layer,int bank,int *code,int *color,int *flags,int *priority);
extern void dv_tile_callback(running_machine &machine, int layer,int bank,int *code,int *color,int *flags,int *priority);
extern void mainevt_sprite_callback(running_machine &machine, int *code,int *color,int *priority_mask,int *shadow);
extern void dv_sprite_callback(running_machine &machine, int *code,int *color,int *priority,int *shadow);
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