#ifndef __WSWAN_GFX_H
#define __WSWAN_GFX_H

void WSWan_TCacheInvalidByAddr(uint32);

extern uint8		wsTCache[512*64];		  //tiles cache
extern uint8		wsTCacheFlipped[512*64];  	  //tiles cache (H flip)
extern uint8		wsTileRow[8];		  //extracted 8 pixels (tile row)
extern uint8		wsTCacheUpdate[512];	  //tiles cache flags
extern uint8		wsTCache2[512*64];		  //tiles cache
extern uint8		wsTCacheFlipped2[512*64];  	  //tiles cache (H flip)
extern uint8		wsTCacheUpdate2[512];	  //tiles cache flags
extern int		wsVMode;			  //Video Mode	

void wsMakeTiles(void);
void wsGetTile(uint32,uint32,int,int,int);
void wsSetVideo(int, bool);

void wsScanline(uint32 *target);

extern uint32		dx_r,dx_g,dx_b,dx_sr,dx_sg,dx_sb;
extern uint32		dx_bits,dx_pitch,cmov,dx_linewidth_blit,dx_buffer_line;


void WSwan_SetPixelFormat(int rs, int gs, int bs);

void WSwan_GfxInit(void);
void WSwan_GfxReset(void);
void WSwan_GfxWrite(uint32 A, uint8 V);
uint8 WSwan_GfxRead(uint32 A);
void WSwan_GfxWSCPaletteRAMWrite(uint32 ws_offset, uint8 data);

bool wsExecuteLine(uint32 *pXBuf, bool skip);

bool WSwan_GfxToggleLayer(int which);
int WSwan_GfxStateAction(StateMem *sm, int load, int data_only);

#ifdef WANT_DEBUGGER
void WSwan_GfxSetGraphicsDecode(int line, int which, int w, int h, int xscroll, int yscroll, int pbn);
uint32 *WSwan_GfxGetGraphicsDecodeBuffer(void);
uint32 WSwan_GfxGetRegister(const std::string &oname, std::string *special);
#endif

#endif
