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/***************************************************************************
Game Driver for Video System Mahjong series and Pipe Dream.
Driver by Takahiro Nogi <nogi@kt.rim.or.jp> 2001/02/04 -
and Bryan McPhail, Nicola Salmoria, Aaron Giles
***************************************************************************/
typedef struct _fromance_state fromance_state;
struct _fromance_state
{
/* memory pointers (used by pipedrm) */
UINT8 * videoram;
UINT8 * spriteram;
// UINT8 * paletteram; // currently this uses generic palette handling
size_t videoram_size;
size_t spriteram_size;
/* video-related */
tilemap *bg_tilemap,*fg_tilemap;
UINT8 *local_videoram[2];
UINT8 *local_paletteram;
UINT8 selected_videoram, selected_paletteram;
UINT32 scrollx[2], scrolly[2];
UINT8 gfxreg;
UINT8 flipscreen, flipscreen_old;
UINT32 scrolly_ofs, scrollx_ofs;
UINT8 crtc_register;
UINT8 crtc_data[0x10];
emu_timer *crtc_timer;
/* misc */
UINT8 directionflag, commanddata, portselect;
UINT8 adpcm_reset, adpcm_data, vclk_left;
UINT8 pending_command, sound_command;
/* devices */
const device_config *subcpu;
};
/*----------- defined in video/fromance.c -----------*/
VIDEO_START( fromance );
VIDEO_START( nekkyoku );
VIDEO_START( pipedrm );
VIDEO_START( hatris );
VIDEO_UPDATE( fromance );
VIDEO_UPDATE( pipedrm );
WRITE8_HANDLER( fromance_crtc_data_w );
WRITE8_HANDLER( fromance_crtc_register_w );
WRITE8_HANDLER( fromance_gfxreg_w );
WRITE8_HANDLER( fromance_scroll_w );
READ8_HANDLER( fromance_paletteram_r );
WRITE8_HANDLER( fromance_paletteram_w );
READ8_HANDLER( fromance_videoram_r );
WRITE8_HANDLER( fromance_videoram_w );
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