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// license:BSD-3-Clause
// copyright-holders:David Haywood
/***************************************************************************
Battle Cross
***************************************************************************/
#include "emupal.h"
#include "tilemap.h"
class battlex_state : public driver_device
{
public:
battlex_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag),
m_videoram(*this, "videoram"),
m_spriteram(*this, "spriteram"),
m_maincpu(*this, "maincpu"),
m_gfxdecode(*this, "gfxdecode"),
m_palette(*this, "palette") { }
void init_battlex();
void dodgeman(machine_config &config);
void battlex(machine_config &config);
DECLARE_CUSTOM_INPUT_MEMBER(battlex_in0_b4_r);
private:
uint8_t m_in0_b4 = 0U;
/* memory pointers */
required_shared_ptr<uint8_t> m_videoram;
required_shared_ptr<uint8_t> m_spriteram;
/* video-related */
tilemap_t *m_bg_tilemap = nullptr;
uint8_t m_scroll_lsb = 0U;
uint8_t m_scroll_msb = 0U;
uint8_t m_starfield_enabled = 0U;
void battlex_palette_w(offs_t offset, uint8_t data);
void battlex_scroll_x_lsb_w(uint8_t data);
void battlex_scroll_x_msb_w(uint8_t data);
void battlex_scroll_starfield_w(uint8_t data);
void battlex_videoram_w(offs_t offset, uint8_t data);
void battlex_flipscreen_w(uint8_t data);
TILE_GET_INFO_MEMBER(get_bg_tile_info);
virtual void machine_start() override;
virtual void machine_reset() override;
virtual void video_start() override;
uint32_t screen_update_battlex(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
INTERRUPT_GEN_MEMBER(battlex_interrupt);
void draw_sprites( bitmap_ind16 &bitmap, const rectangle &cliprect );
required_device<cpu_device> m_maincpu;
required_device<gfxdecode_device> m_gfxdecode;
required_device<palette_device> m_palette;
DECLARE_VIDEO_START(dodgeman);
TILE_GET_INFO_MEMBER(get_dodgeman_bg_tile_info);
void battlex_map(address_map &map);
void dodgeman_io_map(address_map &map);
void io_map(address_map &map);
};
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