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// license:BSD-3-Clause
// copyright-holders:Paul Leaman
/***************************************************************************
Battle Lane Vol. 5
***************************************************************************/
#include "emupal.h"
#include "tilemap.h"
class battlane_state : public driver_device
{
public:
battlane_state(const machine_config &mconfig, device_type type, const char *tag) :
driver_device(mconfig, type, tag),
m_tileram(*this, "tileram"),
m_spriteram(*this, "spriteram"),
m_maincpu(*this, "maincpu"),
m_subcpu(*this, "sub"),
m_gfxdecode(*this, "gfxdecode"),
m_palette(*this, "palette")
{ }
void battlane(machine_config &config);
protected:
virtual void machine_start() override;
virtual void machine_reset() override;
virtual void video_start() override;
private:
/* memory pointers */
required_shared_ptr<uint8_t> m_tileram;
required_shared_ptr<uint8_t> m_spriteram;
/* video-related */
tilemap_t *m_bg_tilemap = nullptr;
bitmap_ind8 m_screen_bitmap = 0;
int m_video_ctrl = 0;
int m_cpu_control = 0; /* CPU interrupt control register */
/* devices */
required_device<cpu_device> m_maincpu;
required_device<cpu_device> m_subcpu;
required_device<gfxdecode_device> m_gfxdecode;
required_device<palette_device> m_palette;
void battlane_cpu_command_w(uint8_t data);
void battlane_palette_w(offs_t offset, uint8_t data);
void battlane_scrollx_w(uint8_t data);
void battlane_scrolly_w(uint8_t data);
void battlane_tileram_w(offs_t offset, uint8_t data);
void battlane_spriteram_w(offs_t offset, uint8_t data);
void battlane_bitmap_w(offs_t offset, uint8_t data);
void battlane_video_ctrl_w(uint8_t data);
TILE_GET_INFO_MEMBER(get_tile_info_bg);
TILEMAP_MAPPER_MEMBER(battlane_tilemap_scan_rows_2x2);
uint32_t screen_update_battlane(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
INTERRUPT_GEN_MEMBER(battlane_cpu1_interrupt);
void draw_sprites(bitmap_ind16 &bitmap, const rectangle &cliprect);
void draw_fg_bitmap(bitmap_ind16 &bitmap, const rectangle &cliprect);
void battlane_map(address_map &map);
};
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