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// license:BSD-3-Clause
// copyright-holders:Bryan McPhail, David Haywood
/*************************************************************************
Double Dragon 3 & The Combatribes
*************************************************************************/
#include "sound/okim6295.h"
#include "video/bufsprite.h"
class ddragon3_state : public driver_device
{
public:
ddragon3_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag),
m_bg_videoram(*this, "bg_videoram"),
m_fg_videoram(*this, "fg_videoram"),
m_spriteram(*this, "spriteram"),
m_maincpu(*this, "maincpu"),
m_audiocpu(*this, "audiocpu"),
m_oki(*this, "oki"),
m_gfxdecode(*this, "gfxdecode"),
m_screen(*this, "screen"),
m_palette(*this, "palette")
{
vblank_level = 6;
raster_level = 5;
}
/* memory pointers */
required_shared_ptr<UINT16> m_bg_videoram;
required_shared_ptr<UINT16> m_fg_videoram;
// required_shared_ptr<UINT16> m_spriteram;
required_device<buffered_spriteram16_device> m_spriteram;
/* video-related */
tilemap_t *m_fg_tilemap;
tilemap_t *m_bg_tilemap;
UINT16 m_vreg;
UINT16 m_bg_scrollx;
UINT16 m_bg_scrolly;
UINT16 m_fg_scrollx;
UINT16 m_fg_scrolly;
UINT16 m_bg_tilebase;
UINT16 m_sprite_xoff;
UINT16 m_bg0_dx;
UINT16 m_bg1_dx[2];
/* misc */
UINT16 m_io_reg[8];
UINT8 m_pri;
/* devices */
required_device<cpu_device> m_maincpu;
required_device<cpu_device> m_audiocpu;
required_device<okim6295_device> m_oki;
required_device<gfxdecode_device> m_gfxdecode;
required_device<screen_device> m_screen;
required_device<palette_device> m_palette;
DECLARE_WRITE16_MEMBER(ddragon3_io_w);
DECLARE_WRITE16_MEMBER(ddragon3_scroll_w);
DECLARE_READ16_MEMBER(ddragon3_scroll_r);
DECLARE_WRITE16_MEMBER(ddragon3_bg_videoram_w);
DECLARE_WRITE16_MEMBER(ddragon3_fg_videoram_w);
DECLARE_WRITE8_MEMBER(oki_bankswitch_w);
TILE_GET_INFO_MEMBER(get_bg_tile_info);
TILE_GET_INFO_MEMBER(get_fg_tile_info);
virtual void machine_start() override;
virtual void machine_reset() override;
virtual void video_start() override;
UINT32 screen_update_ddragon3(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
UINT32 screen_update_ctribe(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
TIMER_DEVICE_CALLBACK_MEMBER(ddragon3_scanline);
void draw_sprites( bitmap_ind16 &bitmap, const rectangle &cliprect );
int vblank_level;
int raster_level;
};
class wwfwfest_state : public ddragon3_state
{
public:
wwfwfest_state(const machine_config &mconfig, device_type type, const char *tag)
: ddragon3_state(mconfig, type, tag),
m_fg0_videoram(*this, "fg0_videoram"),
m_paletteram(*this, "palette")
{
vblank_level = 3;
raster_level = 2;
}
/* wwfwfest has an extra layer */
required_shared_ptr<UINT16> m_fg0_videoram;
required_shared_ptr<UINT16> m_paletteram;
tilemap_t *m_fg0_tilemap;
DECLARE_WRITE16_MEMBER(wwfwfest_fg0_videoram_w);
//required_device<buffered_spriteram16_device> m_spriteram;
DECLARE_WRITE8_MEMBER(wwfwfest_priority_w);
DECLARE_WRITE16_MEMBER(wwfwfest_irq_ack_w);
DECLARE_WRITE16_MEMBER(wwfwfest_flipscreen_w);
DECLARE_READ16_MEMBER(wwfwfest_paletteram_r);
DECLARE_WRITE16_MEMBER(wwfwfest_paletteram_w);
DECLARE_WRITE16_MEMBER(wwfwfest_soundwrite);
DECLARE_CUSTOM_INPUT_MEMBER(dsw_3f_r);
DECLARE_CUSTOM_INPUT_MEMBER(dsw_c0_r);
TILE_GET_INFO_MEMBER(get_fg0_tile_info);
virtual void video_start() override;
DECLARE_VIDEO_START(wwfwfstb);
UINT32 screen_update_wwfwfest(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
};
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