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// license:BSD-3-Clause
// copyright-holders:Bryan McPhail
#include "video/bufsprite.h"
#include "video/decospr.h"
#include "machine/deco146.h"
#include "machine/gen_latch.h"
#include "emupal.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_maincpu(*this, "maincpu")
, m_audiocpu(*this, "audiocpu")
, m_deco146(*this, "ioprot")
, m_spriteram(*this, "spriteram%u", 1)
, m_sprgen(*this, "spritegen%u", 1)
, m_gfxdecode(*this, "gfxdecode")
, m_palette(*this, "palette")
, m_soundlatch(*this, "soundlatch")
, m_control_data(*this, "control_data")
, m_vram_data(*this, "vram_data")
, m_pixel_data(*this, "pixel_%u_data", 0)
, m_trackball_io(*this, "AN%u", 0)
{
}
void lemmings(machine_config &config);
private:
/* video-related */
bitmap_ind16 m_bitmap0;
tilemap_t *m_vram_tilemap;
std::unique_ptr<uint16_t[]> m_sprite_triple_buffer[2];
std::unique_ptr<uint8_t[]> m_vram_buffer;
/* devices */
required_device<cpu_device> m_maincpu;
required_device<cpu_device> m_audiocpu;
required_device<deco146_device> m_deco146;
required_device_array<buffered_spriteram16_device, 2> m_spriteram;
required_device_array<decospr_device, 2> m_sprgen;
required_device<gfxdecode_device> m_gfxdecode;
required_device<palette_device> m_palette;
required_device<generic_latch_8_device> m_soundlatch;
/* memory pointers */
required_shared_ptr<uint16_t> m_control_data;
required_shared_ptr<uint16_t> m_vram_data;
required_shared_ptr_array<uint16_t, 2> m_pixel_data;
required_ioport_array<4> m_trackball_io;
DECLARE_WRITE16_MEMBER(lemmings_control_w);
DECLARE_READ16_MEMBER(lemmings_trackball_r);
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() override;
virtual void video_start() override;
uint32_t screen_update_lemmings(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect);
DECLARE_WRITE_LINE_MEMBER(screen_vblank_lemmings);
void lemmings_copy_bitmap(bitmap_rgb32& bitmap, int* xscroll, int* yscroll, const rectangle& cliprect);
DECLARE_READ16_MEMBER( lem_protection_region_0_146_r );
DECLARE_WRITE16_MEMBER( lem_protection_region_0_146_w );
void lemmings_map(address_map &map);
void sound_map(address_map &map);
};
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