// license:BSD-3-Clause
// copyright-holders:Stefan Jokisch
#include "machine/watchdog.h"
class sprint4_state : public driver_device
{
public:
enum
{
TIMER_NMI
};
sprint4_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag),
m_videoram(*this, "videoram"),
m_maincpu(*this, "maincpu"),
m_watchdog(*this, "watchdog"),
m_discrete(*this, "discrete"),
m_gfxdecode(*this, "gfxdecode"),
m_screen(*this, "screen"),
m_palette(*this, "palette") { }
required_shared_ptr<UINT8> m_videoram;
int m_da_latch;
int m_steer_FF1[4];
int m_steer_FF2[4];
int m_gear[4];
UINT8 m_last_wheel[4];
int m_collision[4];
tilemap_t* m_playfield;
bitmap_ind16 m_helper;
DECLARE_READ8_MEMBER(sprint4_wram_r);
DECLARE_READ8_MEMBER(sprint4_analog_r);
DECLARE_READ8_MEMBER(sprint4_coin_r);
DECLARE_READ8_MEMBER(sprint4_collision_r);
DECLARE_READ8_MEMBER(sprint4_options_r);
DECLARE_WRITE8_MEMBER(sprint4_wram_w);
DECLARE_WRITE8_MEMBER(sprint4_collision_reset_w);
DECLARE_WRITE8_MEMBER(sprint4_da_latch_w);
DECLARE_WRITE8_MEMBER(sprint4_lamp_w);
DECLARE_WRITE8_MEMBER(sprint4_video_ram_w);
DECLARE_CUSTOM_INPUT_MEMBER(get_lever);
DECLARE_CUSTOM_INPUT_MEMBER(get_wheel);
DECLARE_CUSTOM_INPUT_MEMBER(get_collision);
DECLARE_WRITE8_MEMBER(sprint4_screech_1_w);
DECLARE_WRITE8_MEMBER(sprint4_screech_2_w);
DECLARE_WRITE8_MEMBER(sprint4_screech_3_w);
DECLARE_WRITE8_MEMBER(sprint4_screech_4_w);
DECLARE_WRITE8_MEMBER(sprint4_bang_w);
DECLARE_WRITE8_MEMBER(sprint4_attract_w);
TILE_GET_INFO_MEMBER(sprint4_tile_info);
virtual void machine_reset() override;
virtual void video_start() override;
DECLARE_PALETTE_INIT(sprint4);
UINT32 screen_update_sprint4(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
void screen_eof_sprint4(screen_device &screen, bool state);
TIMER_CALLBACK_MEMBER(nmi_callback);
required_device<cpu_device> m_maincpu;
required_device<watchdog_timer_device> m_watchdog;
required_device<discrete_device> m_discrete;
required_device<gfxdecode_device> m_gfxdecode;
required_device<screen_device> m_screen;
required_device<palette_device> m_palette;
protected:
virtual void device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr) override;
};