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// license:BSD-3-Clause
// copyright-holders:Nicola Salmoria
/*************************************************************************
Gun Dealer
*************************************************************************/
class gundealr_state : public driver_device
{
public:
gundealr_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag),
m_paletteram(*this, "paletteram"),
m_bg_videoram(*this, "bg_videoram"),
m_fg_videoram(*this, "fg_videoram"),
m_rambase(*this, "rambase"),
m_maincpu(*this, "maincpu"),
m_gfxdecode(*this, "gfxdecode"),
m_palette(*this, "palette") { }
/* memory pointers */
required_shared_ptr<UINT8> m_paletteram;
required_shared_ptr<UINT8> m_bg_videoram;
required_shared_ptr<UINT8> m_fg_videoram;
required_shared_ptr<UINT8> m_rambase;
/* video-related */
tilemap_t *m_bg_tilemap;
tilemap_t *m_fg_tilemap;
int m_flipscreen;
UINT8 m_scroll[4];
/* misc */
int m_input_ports_hack;
DECLARE_WRITE8_MEMBER(yamyam_bankswitch_w);
DECLARE_WRITE8_MEMBER(gundealr_bg_videoram_w);
DECLARE_WRITE8_MEMBER(gundealr_fg_videoram_w);
DECLARE_WRITE8_MEMBER(gundealr_paletteram_w);
DECLARE_WRITE8_MEMBER(gundealr_fg_scroll_w);
DECLARE_WRITE8_MEMBER(yamyam_fg_scroll_w);
DECLARE_WRITE8_MEMBER(gundealr_flipscreen_w);
TILE_GET_INFO_MEMBER(get_bg_tile_info);
TILEMAP_MAPPER_MEMBER(gundealr_scan);
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_gundealr(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
TIMER_DEVICE_CALLBACK_MEMBER(gundealr_scanline);
TIMER_DEVICE_CALLBACK_MEMBER(yamyam_mcu_sim);
required_device<cpu_device> m_maincpu;
required_device<gfxdecode_device> m_gfxdecode;
required_device<palette_device> m_palette;
};
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