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/*************************************************************************
Glass
*************************************************************************/
class glass_state : public driver_device
{
public:
glass_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag),
m_videoram(*this, "videoram"),
m_vregs(*this, "vregs"),
m_spriteram(*this, "spriteram"),
m_mainram(*this, "mainram"),
m_maincpu(*this, "maincpu"),
m_gfxdecode(*this, "gfxdecode"),
m_palette(*this, "palette") { }
/* memory pointers */
required_shared_ptr<UINT16> m_videoram;
required_shared_ptr<UINT16> m_vregs;
required_shared_ptr<UINT16> m_spriteram;
required_shared_ptr<UINT16> m_mainram;
// UINT16 * m_paletteram; // currently this uses generic palette handling
/* video-related */
tilemap_t *m_pant[2];
bitmap_ind16 *m_screen_bitmap;
/* misc */
int m_current_bit;
int m_current_command;
int m_cause_interrupt;
int m_blitter_serial_buffer[5];
DECLARE_WRITE16_MEMBER(clr_int_w);
DECLARE_WRITE16_MEMBER(OKIM6295_bankswitch_w);
DECLARE_WRITE16_MEMBER(glass_coin_w);
DECLARE_WRITE16_MEMBER(glass_blitter_w);
DECLARE_WRITE16_MEMBER(glass_vram_w);
DECLARE_READ16_MEMBER( glass_mainram_r );
DECLARE_WRITE16_MEMBER( glass_mainram_w );
DECLARE_DRIVER_INIT(glass);
TILE_GET_INFO_MEMBER(get_tile_info_glass_screen0);
TILE_GET_INFO_MEMBER(get_tile_info_glass_screen1);
virtual void machine_start();
virtual void machine_reset();
virtual void video_start();
UINT32 screen_update_glass(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
INTERRUPT_GEN_MEMBER(glass_interrupt);
void draw_sprites( bitmap_ind16 &bitmap, const rectangle &cliprect );
void glass_ROM16_split_gfx( const char *src_reg, const char *dst_reg, int start, int length, int dest1, int dest2 );
required_device<cpu_device> m_maincpu;
required_device<gfxdecode_device> m_gfxdecode;
required_device<palette_device> m_palette;
};
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