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/*************************************************************************
Othello Derby
*************************************************************************/
#define OTHLDRBY_VREG_SIZE 18
class othldrby_state : public driver_device
{
public:
othldrby_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag) { }
/* memory pointers */
UINT16 * m_vram;
UINT16 * m_buf_spriteram;
UINT16 * m_buf_spriteram2;
/* video-related */
tilemap_t *m_bg_tilemap[3];
UINT16 m_vreg[OTHLDRBY_VREG_SIZE];
UINT32 m_vram_addr;
UINT32 m_vreg_addr;
/* misc */
int m_toggle;
};
/*----------- defined in video/othldrby.c -----------*/
WRITE16_HANDLER( othldrby_videoram_addr_w );
READ16_HANDLER( othldrby_videoram_r );
WRITE16_HANDLER( othldrby_videoram_w );
WRITE16_HANDLER( othldrby_vreg_addr_w );
WRITE16_HANDLER( othldrby_vreg_w );
VIDEO_START( othldrby );
SCREEN_EOF( othldrby );
SCREEN_UPDATE( othldrby );
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