// -------------------- Pico Library -------------------- // Pico Library - Header File // (c) Copyright 2004 Dave, All rights reserved. // (c) Copyright 2006-2008 notaz, All rights reserved. // Free for non-commercial use. // For commercial use, separate licencing terms must be obtained. #ifndef PICO_H #define PICO_H #include // port-specific compile-time settings #include #ifdef __cplusplus extern "C" { #endif // external funcs for Sega/Mega CD extern int mp3_get_bitrate(FILE *f, int size); extern void mp3_start_play(FILE *f, int pos); extern void mp3_update(int *buffer, int length, int stereo); // this function should write-back d-cache and invalidate i-cache // on a mem region [start_addr, end_addr) // used by SVP dynarec extern void cache_flush_d_inval_i(const void *start_addr, const void *end_addr); // Pico.c #define POPT_EN_FM (1<< 0) // 00 000x #define POPT_EN_PSG (1<< 1) #define POPT_EN_Z80 (1<< 2) #define POPT_EN_STEREO (1<< 3) #define POPT_ALT_RENDERER (1<< 4) // 00 00x0 #define POPT_6BTN_PAD (1<< 5) // unused (1<< 6) #define POPT_ACC_SPRITES (1<< 7) #define POPT_DIS_32C_BORDER (1<< 8) // 00 0x00 #define POPT_EXT_FM (1<< 9) #define POPT_EN_MCD_PCM (1<<10) #define POPT_EN_MCD_CDDA (1<<11) #define POPT_EN_MCD_GFX (1<<12) // 00 x000 #define POPT_EN_MCD_PSYNC (1<<13) #define POPT_EN_SOFTSCALE (1<<14) #define POPT_EN_MCD_RAMCART (1<<15) #define POPT_DIS_VDP_FIFO (1<<16) // 0x 0000 #define POPT_EN_SVP_DRC (1<<17) #define POPT_DIS_SPRITE_LIM (1<<18) #define POPT_DIS_IDLE_DET (1<<19) extern int PicoOpt; // bitfield #define PAHW_MCD (1<<0) #define PAHW_32X (1<<1) #define PAHW_SVP (1<<2) #define PAHW_PICO (1<<3) extern int PicoAHW; // Pico active hw extern int PicoVer; extern int PicoSkipFrame; // skip rendering frame, but still do sound (if enabled) and emulation stuff extern int PicoRegionOverride; // override the region detection 0: auto, 1: Japan NTSC, 2: Japan PAL, 4: US, 8: Europe extern int PicoAutoRgnOrder; // packed priority list of regions, for example 0x148 means this detection order: EUR, USA, JAP extern int PicoSVPCycles; void PicoInit(void); void PicoExit(void); void PicoPower(void); int PicoReset(void); void PicoFrame(void); void PicoFrameDrawOnly(void); extern int PicoPad[2]; // Joypads, format is MXYZ SACB RLDU extern void (*PicoWriteSound)(int len); // called once per frame at the best time to send sound buffer (PsndOut) to hardware extern void (*PicoMessage)(const char *msg); // callback to output text message from emu typedef enum { PI_ROM, PI_ISPAL, PI_IS40_CELL, PI_IS240_LINES } pint_t; typedef union { int vint; void *vptr; } pint_ret_t; void PicoGetInternal(pint_t which, pint_ret_t *ret); // cd/Pico.c extern void (*PicoMCDopenTray)(void); extern int (*PicoMCDcloseTray)(void); extern int PicoCDBuffers; // Pico/Pico.c #define XPCM_BUFFER_SIZE (320+160) typedef struct { int pen_pos[2]; int page; // internal int fifo_bytes; // bytes in FIFO int fifo_bytes_prev; int fifo_line_bytes; // float part, << 16 int line_counter; unsigned short r1, r12; unsigned char xpcm_buffer[XPCM_BUFFER_SIZE+4]; unsigned char *xpcm_ptr; } picohw_state; extern picohw_state PicoPicohw; // Area.c typedef size_t (arearw)(void *p, size_t _size, size_t _n, void *file); typedef size_t (areaeof)(void *file); typedef int (areaseek)(void *file, long offset, int whence); typedef int (areaclose)(void *file); // Save or load the state from PmovFile: int PmovState(int PmovAction, void *PmovFile); // &1=for reading &2=for writing &4=volatile &8=non-volatile extern arearw *areaRead; // external read and write function pointers for extern arearw *areaWrite; // gzip save state ability extern areaeof *areaEof; extern areaseek *areaSeek; extern areaclose *areaClose; extern void (*PicoStateProgressCB)(const char *str); // cd/Area.c int PicoCdLoadStateGfx(void *file); // cd/buffering.c void PicoCDBufferInit(void); void PicoCDBufferFree(void); void PicoCDBufferFlush(void); // cd/cd_sys.c int Insert_CD(char *cdimg_name, int type); void Stop_CD(void); // releases all resources taken when CD game was started. // Cart.c typedef enum { PMT_UNCOMPRESSED = 0, PMT_ZIP, PMT_CSO } pm_type; typedef struct { void *file; /* file handle */ void *param; /* additional file related field */ unsigned int size; /* size */ pm_type type; } pm_file; pm_file *pm_open(const char *path); size_t pm_read(void *ptr, size_t bytes, pm_file *stream); int pm_seek(pm_file *stream, long offset, int whence); int pm_close(pm_file *fp); int PicoCartLoad(pm_file *f,unsigned char **prom,unsigned int *psize); int PicoCartInsert(unsigned char *rom,unsigned int romsize); void Byteswap(unsigned char *data,int len); void PicoCartUnload(void); extern void (*PicoCartLoadProgressCB)(int percent); extern void (*PicoCDLoadProgressCB)(int percent); // Draw.c void PicoDrawSetColorFormat(int which); // 0=BGR444, 1=RGB555, 2=8bit(HighPal pal) extern void *DrawLineDest; #if OVERRIDE_HIGHCOL extern unsigned char *HighCol; #else extern unsigned char HighCol[8+320+8]; #endif extern int (*PicoScanBegin)(unsigned int num); extern int (*PicoScanEnd)(unsigned int num); // utility #ifdef _ASM_DRAW_C void vidConvCpyRGB565(void *to, void *from, int pixels); #endif void PicoDoHighPal555(int sh); extern int PicoDrawMask; #define PDRAW_LAYERB_ON (1<<2) #define PDRAW_LAYERA_ON (1<<3) #define PDRAW_SPRITES_LOW_ON (1<<4) #define PDRAW_SPRITES_HI_ON (1<<7) // internals #define PDRAW_SPRITES_MOVED (1<<0) // (asm) #define PDRAW_WND_DIFF_PRIO (1<<1) // not all window tiles use same priority #define PDRAW_ACC_SPRITES (1<<2) // accurate sprites (copied from PicoOpt) #define PDRAW_INTERLACE (1<<3) #define PDRAW_DIRTY_SPRITES (1<<4) // (asm) #define PDRAW_SONIC_MODE (1<<5) // mid-frame palette changes for 8bit renderer #define PDRAW_PLANE_HI_PRIO (1<<6) // have layer with all hi prio tiles (mk3) #define PDRAW_SHHI_DONE (1<<7) // layer sh/hi already processed extern int rendstatus; extern unsigned short HighPal[0x100]; // Draw2.c // stuff below is optional extern unsigned char *PicoDraw2FB; // buffer for fast renderer in format (8+320)x(8+224+8) (eights for borders) extern unsigned short *PicoCramHigh; // pointer to CRAM buff (0x40 shorts), converted to native device color (works only with 16bit for now) extern void (*PicoPrepareCram)(); // prepares PicoCramHigh for renderer to use // sound.c extern int PsndRate,PsndLen; extern short *PsndOut; extern void (*PsndMix_32_to_16l)(short *dest, int *src, int count); void PsndRerate(int preserve_state); // Utils.c extern int PicuAnd; int PicuQuick(unsigned short *dest,unsigned short *src); int PicuShrink(unsigned short *dest,int destLen,unsigned short *src,int srcLen); int PicuShrinkReverse(unsigned short *dest,int destLen,unsigned short *src,int srcLen); int PicuMerge(unsigned short *dest,int destLen,unsigned short *src,int srcLen); #ifdef __cplusplus } // End of extern "C" #endif #endif // PICO_H