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// license:???
// copyright-holders:David Haywood,insideoutboy, Pierpaolo Prazzoli
/***************************************************************************
Popper
***************************************************************************/
class popper_state : public driver_device
{
public:
popper_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag),
m_ol_videoram(*this, "ol_videoram"),
m_videoram(*this, "videoram"),
m_ol_attribram(*this, "ol_attribram"),
m_attribram(*this, "attribram"),
m_spriteram(*this, "spriteram"),
m_audiocpu(*this, "audiocpu"),
m_maincpu(*this, "maincpu"),
m_gfxdecode(*this, "gfxdecode"),
m_screen(*this, "screen"),
m_palette(*this, "palette") { }
/* memory pointers */
required_shared_ptr<UINT8> m_ol_videoram;
required_shared_ptr<UINT8> m_videoram;
required_shared_ptr<UINT8> m_ol_attribram;
required_shared_ptr<UINT8> m_attribram;
required_shared_ptr<UINT8> m_spriteram;
/* video-related */
tilemap_t *m_p123_tilemap;
tilemap_t *m_p0_tilemap;
tilemap_t *m_ol_p123_tilemap;
tilemap_t *m_ol_p0_tilemap;
INT32 m_flipscreen;
INT32 m_e002;
INT32 m_gfx_bank;
rectangle m_tilemap_clip;
/* devices */
required_device<cpu_device> m_audiocpu;
UINT8 m_nmi_mask;
DECLARE_READ8_MEMBER(popper_input_ports_r);
DECLARE_READ8_MEMBER(popper_soundcpu_nmi_r);
DECLARE_WRITE8_MEMBER(nmi_mask_w);
DECLARE_WRITE8_MEMBER(popper_ol_videoram_w);
DECLARE_WRITE8_MEMBER(popper_videoram_w);
DECLARE_WRITE8_MEMBER(popper_ol_attribram_w);
DECLARE_WRITE8_MEMBER(popper_attribram_w);
DECLARE_WRITE8_MEMBER(popper_flipscreen_w);
DECLARE_WRITE8_MEMBER(popper_e002_w);
DECLARE_WRITE8_MEMBER(popper_gfx_bank_w);
TILE_GET_INFO_MEMBER(get_popper_p123_tile_info);
TILE_GET_INFO_MEMBER(get_popper_p0_tile_info);
TILE_GET_INFO_MEMBER(get_popper_ol_p123_tile_info);
TILE_GET_INFO_MEMBER(get_popper_ol_p0_tile_info);
virtual void machine_start() override;
virtual void machine_reset() override;
virtual void video_start() override;
DECLARE_PALETTE_INIT(popper);
UINT32 screen_update_popper(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
INTERRUPT_GEN_MEMBER(vblank_irq);
void draw_sprites( bitmap_ind16 &bitmap,const rectangle &cliprect );
required_device<cpu_device> m_maincpu;
required_device<gfxdecode_device> m_gfxdecode;
required_device<screen_device> m_screen;
required_device<palette_device> m_palette;
};
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