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/*************************************************************************
Over Drive
*************************************************************************/
class overdriv_state : public driver_device
{
public:
overdriv_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag) { }
/* memory pointers */
// UINT16 * m_paletteram; // currently this uses generic palette handling
/* video-related */
int m_zoom_colorbase[2];
int m_road_colorbase[2];
int m_sprite_colorbase;
/* misc */
UINT16 m_cpuB_ctrl;
/* devices */
cpu_device *m_maincpu;
cpu_device *m_subcpu;
cpu_device *m_audiocpu;
device_t *m_k053260_1;
device_t *m_k053260_2;
device_t *m_k051316_1;
device_t *m_k051316_2;
device_t *m_k053246;
device_t *m_k053251;
DECLARE_WRITE16_MEMBER(eeprom_w);
DECLARE_WRITE16_MEMBER(cpuA_ctrl_w);
DECLARE_READ16_MEMBER(cpuB_ctrl_r);
DECLARE_WRITE16_MEMBER(cpuB_ctrl_w);
DECLARE_WRITE16_MEMBER(overdriv_soundirq_w);
DECLARE_WRITE16_MEMBER(overdriv_cpuB_irq5_w);
DECLARE_WRITE16_MEMBER(overdriv_cpuB_irq6_w);
DECLARE_READ8_MEMBER(overdriv_1_sound_r);
DECLARE_READ8_MEMBER(overdriv_2_sound_r);
virtual void machine_start();
virtual void machine_reset();
UINT32 screen_update_overdriv(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
};
/*----------- defined in video/overdriv.c -----------*/
extern void overdriv_sprite_callback(running_machine &machine, int *code,int *color,int *priority_mask);
extern void overdriv_zoom_callback_0(running_machine &machine, int *code,int *color,int *flags);
extern void overdriv_zoom_callback_1(running_machine &machine, int *code,int *color,int *flags);
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