// license:BSD-3-Clause
// copyright-holders:Brad Oliver
/*************************************************************************
Zero Zone
*************************************************************************/
#include "machine/gen_latch.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_soundlatch(*this, "soundlatch"),
m_vram(*this, "videoram"),
m_gfxdecode(*this, "gfxdecode")
{ }
// 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;
required_device<generic_latch_8_device> m_soundlatch;
// shared pointers
required_shared_ptr<uint16_t> m_vram;
// currently this driver uses generic palette handling
required_device<gfxdecode_device> m_gfxdecode;
// state
// video-related
uint16_t m_tilebank;
tilemap_t *m_zz_tilemap;
uint32_t screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
void zerozone(machine_config &config);
void main_map(address_map &map);
void sound_map(address_map &map);
protected:
// driver_device overrides
virtual void machine_start() override;
virtual void machine_reset() override;
virtual void video_start() override;
TILE_GET_INFO_MEMBER(get_zerozone_tile_info);
};