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/*************************************************************************
Zero Zone
*************************************************************************/
#include "emu.h"
#include "cpu/z80/z80.h"
class zerozone_state : public driver_device
{
public:
zerozone_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag),
m_maincpu(*this, "maincpu"),
m_audiocpu(*this, "audiocpu"),
m_vram(*this, "videoram"),
m_vram_size(*this, "videoram")
{ }
// in drivers/zerozone.c
DECLARE_WRITE16_MEMBER(sound_w);
// in video/zerozone.c
DECLARE_WRITE16_MEMBER(tilemap_w);
DECLARE_WRITE16_MEMBER(tilebank_w);
// devices
required_device<cpu_device> m_maincpu;
required_device<z80_device> m_audiocpu;
// shared pointers
required_shared_ptr<UINT16> m_vram;
required_shared_size m_vram_size;
// currently this driver uses generic palette handling
// state
// video-related
UINT16 m_tilebank;
tilemap_t *m_zz_tilemap;
protected:
// driver_device overrides
virtual void machine_start();
virtual void machine_reset();
virtual void video_start();
virtual bool screen_update(screen_device &screen, bitmap_t &bitmap, const rectangle &cliprect);
};
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