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/*********************************************************************
generic.h
Generic simple video functions.
Copyright Nicola Salmoria and the MAME Team.
Visit http://mamedev.org for licensing and usage restrictions.
*********************************************************************/
#pragma once
#ifndef __VIDEO_GENERIC_H__
#define __VIDEO_GENERIC_H__
#include "mamecore.h"
/***************************************************************************
GLOBAL VARIABLES
***************************************************************************/
extern UINT8 *videoram;
extern UINT16 *videoram16;
extern UINT32 *videoram32;
extern size_t videoram_size;
extern UINT8 *colorram;
extern UINT16 *colorram16;
extern UINT32 *colorram32;
extern UINT8 *spriteram;
extern UINT16 *spriteram16;
extern UINT32 *spriteram32;
extern UINT8 *spriteram_2;
extern UINT16 *spriteram16_2;
extern UINT32 *spriteram32_2;
extern UINT8 *spriteram_3;
extern UINT16 *spriteram16_3;
extern UINT32 *spriteram32_3;
extern UINT8 *buffered_spriteram;
extern UINT16 *buffered_spriteram16;
extern UINT32 *buffered_spriteram32;
extern UINT8 *buffered_spriteram_2;
extern UINT16 *buffered_spriteram16_2;
extern UINT32 *buffered_spriteram32_2;
extern size_t spriteram_size;
extern size_t spriteram_2_size;
extern size_t spriteram_3_size;
extern UINT8 *paletteram;
extern UINT16 *paletteram16;
extern UINT32 *paletteram32;
extern UINT8 *paletteram_2; /* use when palette RAM is split in two parts */
extern UINT16 *paletteram16_2;
extern bitmap_t *tmpbitmap;
/***************************************************************************
COMMON GRAPHICS LAYOUTS
***************************************************************************/
extern const gfx_layout gfx_8x8x1;
extern const gfx_layout gfx_8x8x2_planar;
extern const gfx_layout gfx_8x8x3_planar;
extern const gfx_layout gfx_8x8x4_planar;
extern const gfx_layout gfx_8x8x5_planar;
extern const gfx_layout gfx_8x8x6_planar;
extern const gfx_layout gfx_16x16x4_planar;
/***************************************************************************
FUNCTION PROTOTYPES
***************************************************************************/
/* ----- initialization ----- */
/* set up all the common systems */
void generic_video_init(running_machine *machine);
/* generic video start with a temporary bitmap */
VIDEO_START( generic_bitmapped );
/* generic video update to blit a temporary bitmap */
VIDEO_UPDATE( generic_bitmapped );
/* ----- sprite buffering ----- */
/* buffered sprite RAM write handlers */
WRITE8_HANDLER( buffer_spriteram_w );
WRITE16_HANDLER( buffer_spriteram16_w );
WRITE32_HANDLER( buffer_spriteram32_w );
WRITE8_HANDLER( buffer_spriteram_2_w );
WRITE16_HANDLER( buffer_spriteram16_2_w );
WRITE32_HANDLER( buffer_spriteram32_2_w );
/* perform the actual buffering */
void buffer_spriteram(UINT8 *ptr, int length);
void buffer_spriteram_2(UINT8 *ptr, int length);
/* ----- global attributes ----- */
/* set global attributes */
void flip_screen_set(int on);
void flip_screen_set_no_update(int on); /* will not call update_flip */
void flip_screen_x_set(int on);
void flip_screen_y_set(int on);
int flip_screen_get(void);
int flip_screen_x_get(void);
int flip_screen_y_get(void);
//#define flip_screen flip_screen_get()
/* ----- generic palette init routines ----- */
PALETTE_INIT( black_and_white );
PALETTE_INIT( RRRR_GGGG_BBBB );
PALETTE_INIT( RRRRR_GGGGG_BBBBB );
PALETTE_INIT( BBBBB_GGGGG_RRRRR );
PALETTE_INIT( RRRRR_GGGGGG_BBBBB );
/* ----- generic palette RAM write handlers, use MRAx_RAM to read ----- */
/* 3-3-2 RGB palette write handlers */
WRITE8_HANDLER( paletteram_BBGGGRRR_w );
WRITE8_HANDLER( paletteram_RRRGGGBB_w );
WRITE8_HANDLER( paletteram_BBGGRRII_w );
/* 4-4-4 RGB palette write handlers */
WRITE8_HANDLER( paletteram_xxxxBBBBGGGGRRRR_le_w );
WRITE8_HANDLER( paletteram_xxxxBBBBGGGGRRRR_be_w );
WRITE8_HANDLER( paletteram_xxxxBBBBGGGGRRRR_split1_w ); /* uses paletteram[] */
WRITE8_HANDLER( paletteram_xxxxBBBBGGGGRRRR_split2_w ); /* uses paletteram_2[] */
WRITE16_HANDLER( paletteram16_xxxxBBBBGGGGRRRR_word_w );
WRITE8_HANDLER( paletteram_xxxxBBBBRRRRGGGG_le_w );
WRITE8_HANDLER( paletteram_xxxxBBBBRRRRGGGG_be_w );
WRITE8_HANDLER( paletteram_xxxxBBBBRRRRGGGG_split1_w ); /* uses paletteram[] */
WRITE8_HANDLER( paletteram_xxxxBBBBRRRRGGGG_split2_w ); /* uses paletteram_2[] */
WRITE16_HANDLER( paletteram16_xxxxBBBBRRRRGGGG_word_w );
WRITE8_HANDLER( paletteram_xxxxRRRRBBBBGGGG_split1_w ); /* uses paletteram[] */
WRITE8_HANDLER( paletteram_xxxxRRRRBBBBGGGG_split2_w ); /* uses paletteram_2[] */
WRITE8_HANDLER( paletteram_xxxxRRRRGGGGBBBB_le_w );
WRITE8_HANDLER( paletteram_xxxxRRRRGGGGBBBB_be_w );
WRITE16_HANDLER( paletteram16_xxxxRRRRGGGGBBBB_word_w );
WRITE8_HANDLER( paletteram_RRRRGGGGBBBBxxxx_be_w );
WRITE8_HANDLER( paletteram_RRRRGGGGBBBBxxxx_split1_w ); /* uses paletteram[] */
WRITE8_HANDLER( paletteram_RRRRGGGGBBBBxxxx_split2_w ); /* uses paletteram_2[] */
WRITE16_HANDLER( paletteram16_RRRRGGGGBBBBxxxx_word_w );
/* 4-4-4-4 IRGB palette write handlers */
WRITE16_HANDLER( paletteram16_IIIIRRRRGGGGBBBB_word_w );
WRITE16_HANDLER( paletteram16_RRRRGGGGBBBBIIII_word_w );
/* 5-5-5 RGB palette write handlers */
WRITE8_HANDLER( paletteram_xBBBBBGGGGGRRRRR_le_w );
WRITE8_HANDLER( paletteram_xBBBBBGGGGGRRRRR_be_w );
WRITE8_HANDLER( paletteram_xBBBBBGGGGGRRRRR_split1_w ); /* uses paletteram[] */
WRITE8_HANDLER( paletteram_xBBBBBGGGGGRRRRR_split2_w ); /* uses paletteram_2[] */
WRITE16_HANDLER( paletteram16_xBBBBBGGGGGRRRRR_word_w );
WRITE8_HANDLER( paletteram_xBBBBBRRRRRGGGGG_split1_w ); /* uses paletteram[] */
WRITE8_HANDLER( paletteram_xBBBBBRRRRRGGGGG_split2_w ); /* uses paletteram_2[] */
WRITE8_HANDLER( paletteram_xRRRRRGGGGGBBBBB_le_w );
WRITE8_HANDLER( paletteram_xRRRRRGGGGGBBBBB_split1_w );
WRITE8_HANDLER( paletteram_xRRRRRGGGGGBBBBB_split2_w );
WRITE16_HANDLER( paletteram16_xRRRRRGGGGGBBBBB_word_w );
WRITE16_HANDLER( paletteram16_xGGGGGRRRRRBBBBB_word_w );
WRITE16_HANDLER( paletteram16_xGGGGGBBBBBRRRRR_word_w );
WRITE16_HANDLER( paletteram16_RRRRRGGGGGBBBBBx_word_w );
WRITE16_HANDLER( paletteram16_GGGGGRRRRRBBBBBx_word_w );
WRITE16_HANDLER( paletteram16_RRRRGGGGBBBBRGBx_word_w );
/* 8-8-8 RGB palette write handlers */
WRITE16_HANDLER( paletteram16_xrgb_word_be_w );
WRITE16_HANDLER( paletteram16_xbgr_word_be_w );
#endif /* __VIDEO_GENERIC_H__ */
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