#include "sound/sn76496.h"
class sbasketb_state : public driver_device
{
public:
sbasketb_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag) ,
m_colorram(*this, "colorram"),
m_videoram(*this, "videoram"),
m_spriteram(*this, "spriteram"),
m_palettebank(*this, "palettebank"),
m_spriteram_select(*this, "spriteramsel"),
m_scroll(*this, "scroll"),
m_sn(*this, "snsnd")
{ }
/* memory pointers */
required_shared_ptr<UINT8> m_colorram;
required_shared_ptr<UINT8> m_videoram;
required_shared_ptr<UINT8> m_spriteram;
required_shared_ptr<UINT8> m_palettebank;
required_shared_ptr<UINT8> m_spriteram_select;
required_shared_ptr<UINT8> m_scroll;
optional_device<sn76489_new_device> m_sn;
/* video-related */
tilemap_t *m_bg_tilemap;
UINT8 m_irq_mask;
DECLARE_WRITE8_MEMBER(sbasketb_sh_irqtrigger_w);
DECLARE_WRITE8_MEMBER(sbasketb_coin_counter_w);
DECLARE_WRITE8_MEMBER(irq_mask_w);
DECLARE_WRITE8_MEMBER(sbasketb_videoram_w);
DECLARE_WRITE8_MEMBER(sbasketb_colorram_w);
DECLARE_WRITE8_MEMBER(sbasketb_flipscreen_w);
DECLARE_DRIVER_INIT(sbasketb);
UINT8 m_SN76496_latch;
DECLARE_WRITE8_MEMBER( konami_SN76496_latch_w ) { m_SN76496_latch = data; };
DECLARE_WRITE8_MEMBER( konami_SN76496_w ) { m_sn->write(space, offset, m_SN76496_latch); };
TILE_GET_INFO_MEMBER(get_bg_tile_info);
virtual void video_start();
virtual void palette_init();
UINT32 screen_update_sbasketb(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
INTERRUPT_GEN_MEMBER(vblank_irq);
};