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// license:BSD-3-Clause
// copyright-holders:Pierpaolo Prazzoli
/*************************************************************************
Ghosts'n Goblins
*************************************************************************/
#ifndef MAME_INCLUDES_GNG_H
#define MAME_INCLUDES_GNG_H
#pragma once
#include "sound/2203intf.h"
#include "video/bufsprite.h"
#include "emupal.h"
class gng_state : public driver_device
{
public:
gng_state(const machine_config &mconfig, device_type type, const char *tag) :
driver_device(mconfig, type, tag),
m_spriteram(*this, "spriteram"),
m_fgvideoram(*this, "fgvideoram"),
m_bgvideoram(*this, "bgvideoram"),
m_maincpu(*this, "maincpu"),
m_ym(*this, "ym%u", 1),
m_gfxdecode(*this, "gfxdecode"),
m_palette(*this, "palette")
{ }
void gng(machine_config &config);
void diamond(machine_config &config);
protected:
DECLARE_WRITE8_MEMBER(gng_bankswitch_w);
DECLARE_WRITE_LINE_MEMBER(coin_counter_1_w);
DECLARE_WRITE_LINE_MEMBER(coin_counter_2_w);
DECLARE_WRITE_LINE_MEMBER(ym_reset_w);
DECLARE_READ8_MEMBER(diamond_hack_r);
DECLARE_WRITE8_MEMBER(gng_fgvideoram_w);
DECLARE_WRITE8_MEMBER(gng_bgvideoram_w);
DECLARE_WRITE8_MEMBER(gng_bgscrollx_w);
DECLARE_WRITE8_MEMBER(gng_bgscrolly_w);
DECLARE_WRITE_LINE_MEMBER(flipscreen_w);
TILE_GET_INFO_MEMBER(get_fg_tile_info);
TILE_GET_INFO_MEMBER(get_bg_tile_info);
virtual void machine_start() override;
virtual void machine_reset() override;
virtual void video_start() override;
uint32_t screen_update_gng(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
void draw_sprites(bitmap_ind16 &bitmap, const rectangle &cliprect);
void diamond_map(address_map &map);
void gng_map(address_map &map);
void sound_map(address_map &map);
private:
/* memory pointers */
required_device<buffered_spriteram8_device> m_spriteram;
required_shared_ptr<uint8_t> m_fgvideoram;
required_shared_ptr<uint8_t> m_bgvideoram;
/* video-related */
tilemap_t *m_bg_tilemap;
tilemap_t *m_fg_tilemap;
uint8_t m_scrollx[2];
uint8_t m_scrolly[2];
required_device<cpu_device> m_maincpu;
required_device_array<ym2203_device, 2> m_ym;
required_device<gfxdecode_device> m_gfxdecode;
required_device<palette_device> m_palette;
};
#endif // MAME_INCLUDES_GNG_H
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