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#include "video/bufsprite.h"
#include "video/decospr.h"
#include "machine/deco146.h"
class lemmings_state : public driver_device
{
public:
lemmings_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag),
m_bitmap0(2048, 256),
m_audiocpu(*this, "audiocpu"),
m_deco146(*this, "ioprot"),
m_spriteram(*this, "spriteram"),
m_spriteram2(*this, "spriteram2") ,
m_paletteram(*this, "paletteram"),
m_control_data(*this, "control_data"),
m_vram_data(*this, "vram_data"),
m_pixel_0_data(*this, "pixel_0_data"),
m_pixel_1_data(*this, "pixel_1_data"),
m_sprgen(*this, "spritegen"),
m_sprgen2(*this, "spritegen2"),
m_maincpu(*this, "maincpu"),
m_gfxdecode(*this, "gfxdecode"),
m_palette(*this, "palette") { }
/* video-related */
bitmap_ind16 m_bitmap0;
tilemap_t *m_vram_tilemap;
UINT16 m_sprite_triple_buffer_0[0x800];
UINT16 m_sprite_triple_buffer_1[0x800];
UINT8 m_vram_buffer[2048 * 64]; // 64 bytes per VRAM character
/* devices */
required_device<cpu_device> m_audiocpu;
optional_device<deco146_device> m_deco146;
required_device<buffered_spriteram16_device> m_spriteram;
required_device<buffered_spriteram16_device> m_spriteram2;
/* memory pointers */
required_shared_ptr<UINT16> m_paletteram;
required_shared_ptr<UINT16> m_control_data;
required_shared_ptr<UINT16> m_vram_data;
required_shared_ptr<UINT16> m_pixel_0_data;
required_shared_ptr<UINT16> m_pixel_1_data;
optional_device<decospr_device> m_sprgen;
optional_device<decospr_device> m_sprgen2;
DECLARE_WRITE16_MEMBER(lemmings_control_w);
DECLARE_READ16_MEMBER(lemmings_trackball_r);
DECLARE_WRITE16_MEMBER(lemmings_palette_24bit_w);
void lemmings_sound_cb( address_space &space, UINT16 data, UINT16 mem_mask );
DECLARE_WRITE8_MEMBER(lemmings_sound_ack_w);
DECLARE_WRITE16_MEMBER(lemmings_pixel_0_w);
DECLARE_WRITE16_MEMBER(lemmings_pixel_1_w);
DECLARE_WRITE16_MEMBER(lemmings_vram_w);
TILE_GET_INFO_MEMBER(get_tile_info);
virtual void machine_start();
virtual void video_start();
UINT32 screen_update_lemmings(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect);
void screen_eof_lemmings(screen_device &screen, bool state);
void lemmings_copy_bitmap(bitmap_rgb32& bitmap, bitmap_ind16& srcbitmap, int* xscroll, int* yscroll, const rectangle& cliprect);
required_device<cpu_device> m_maincpu;
required_device<gfxdecode_device> m_gfxdecode;
required_device<palette_device> m_palette;
DECLARE_READ16_MEMBER( lem_protection_region_0_146_r );
DECLARE_WRITE16_MEMBER( lem_protection_region_0_146_w );
};
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