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#include "video/bufsprite.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_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"){ }
/* 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 */
cpu_device *m_audiocpu;
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;
DECLARE_WRITE16_MEMBER(lemmings_control_w);
DECLARE_READ16_MEMBER(lemmings_trackball_r);
DECLARE_READ16_MEMBER(lemmings_prot_r);
DECLARE_WRITE16_MEMBER(lemmings_palette_24bit_w);
DECLARE_WRITE16_MEMBER(lemmings_sound_w);
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);
};
/*----------- defined in video/lemmings.c -----------*/
VIDEO_START( lemmings );
SCREEN_VBLANK( lemmings );
SCREEN_UPDATE_RGB32( lemmings );
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