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// license:BSD-3-Clause
// copyright-holders:Mike Balfour
class runaway_state : public driver_device
{
public:
runaway_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag),
m_video_ram(*this, "video_ram"),
m_sprite_ram(*this, "sprite_ram"),
m_maincpu(*this, "maincpu"),
m_gfxdecode(*this, "gfxdecode"),
m_screen(*this, "screen"),
m_palette(*this, "palette") { }
emu_timer *m_interrupt_timer;
required_shared_ptr<UINT8> m_video_ram;
required_shared_ptr<UINT8> m_sprite_ram;
tilemap_t *m_bg_tilemap;
int m_tile_bank;
DECLARE_READ8_MEMBER(runaway_input_r);
DECLARE_WRITE8_MEMBER(runaway_led_w);
DECLARE_WRITE8_MEMBER(runaway_irq_ack_w);
DECLARE_WRITE8_MEMBER(runaway_paletteram_w);
DECLARE_WRITE8_MEMBER(runaway_video_ram_w);
DECLARE_WRITE8_MEMBER(runaway_tile_bank_w);
DECLARE_READ8_MEMBER(runaway_pot_r);
TILE_GET_INFO_MEMBER(runaway_get_tile_info);
TILE_GET_INFO_MEMBER(qwak_get_tile_info);
virtual void machine_start() override;
virtual void machine_reset() override;
virtual void video_start() override;
DECLARE_VIDEO_START(qwak);
UINT32 screen_update_runaway(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
UINT32 screen_update_qwak(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
TIMER_CALLBACK_MEMBER(interrupt_callback);
required_device<cpu_device> m_maincpu;
required_device<gfxdecode_device> m_gfxdecode;
required_device<screen_device> m_screen;
required_device<palette_device> m_palette;
};
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