2 // -------------------- Pico Library --------------------
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4 // Pico Library - Header File
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6 // (c) Copyright 2004 Dave, All rights reserved.
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7 // (c) Copyright 2006-2008 notaz, All rights reserved.
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8 // Free for non-commercial use.
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10 // For commercial use, separate licencing terms must be obtained.
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17 // port-specific compile-time settings
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18 #include <port_config.h>
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24 // external funcs for Sega/Mega CD
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25 int mp3_get_bitrate(FILE *f, int size);
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26 void mp3_start_play(FILE *f, int pos);
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27 void mp3_update(int *buffer, int length, int stereo);
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31 #define POPT_EN_FM (1<< 0) // 00 000x
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32 #define POPT_EN_PSG (1<< 1)
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33 #define POPT_EN_Z80 (1<< 2)
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34 #define POPT_EN_STEREO (1<< 3)
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35 #define POPT_ALT_RENDERER (1<< 4) // 00 00x0
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36 #define POPT_6BTN_PAD (1<< 5)
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37 #define POPT_ACC_TIMING (1<< 6)
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38 #define POPT_ACC_SPRITES (1<< 7)
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39 #define POPT_DIS_32C_BORDER (1<< 8) // 00 0x00
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40 #define POPT_EXT_FM (1<< 9)
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41 #define POPT_EN_MCD_PCM (1<<10)
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42 #define POPT_EN_MCD_CDDA (1<<11)
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43 #define POPT_EN_MCD_GFX (1<<12) // 00 x000
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44 #define POPT_EN_MCD_PSYNC (1<<13)
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45 #define POPT_EN_SOFTSCALE (1<<14)
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46 #define POPT_EN_MCD_RAMCART (1<<15)
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47 #define POPT_DIS_VDP_FIFO (1<<16) // 0x 0000
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48 #define POPT_EN_SVP_DRC (1<<17)
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49 #define POPT_DIS_SPRITE_LIM (1<<18)
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50 extern int PicoOpt; // bitfield
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51 #define PAHW_MCD (1<<0)
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52 #define PAHW_32X (1<<1)
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53 #define PAHW_SVP (1<<2)
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54 #define PAHW_PICO (1<<3)
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55 extern int PicoAHW; // Pico active hw
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57 extern int PicoSkipFrame; // skip rendering frame, but still do sound (if enabled) and emulation stuff
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58 extern int PicoRegionOverride; // override the region detection 0: auto, 1: Japan NTSC, 2: Japan PAL, 4: US, 8: Europe
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59 extern int PicoAutoRgnOrder; // packed priority list of regions, for example 0x148 means this detection order: EUR, USA, JAP
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60 extern int PicoSVPCycles;
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62 void PicoExit(void);
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63 void PicoPower(void);
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64 int PicoReset(void);
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65 int PicoFrame(void);
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66 void PicoFrameDrawOnly(void);
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67 extern int PicoPad[2]; // Joypads, format is MXYZ SACB RLDU
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68 extern void (*PicoWriteSound)(int len); // called once per frame at the best time to send sound buffer (PsndOut) to hardware
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69 extern void (*PicoMessage)(const char *msg); // callback to output text message from emu
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70 typedef enum { PI_ROM, PI_ISPAL, PI_IS40_CELL, PI_IS240_LINES } pint_t;
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71 typedef union { int vint; void *vptr; } pint_ret_t;
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72 void PicoGetInternal(pint_t which, pint_ret_t *ret);
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75 extern void (*PicoMCDopenTray)(void);
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76 extern int (*PicoMCDcloseTray)(void);
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77 extern int PicoCDBuffers;
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80 #define XPCM_BUFFER_SIZE (320+160)
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86 int fifo_bytes; // bytes in FIFO
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87 int fifo_bytes_prev;
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88 int fifo_line_bytes; // float part, << 16
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90 unsigned short r1, r12;
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91 unsigned char xpcm_buffer[XPCM_BUFFER_SIZE+4];
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92 unsigned char *xpcm_ptr;
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94 extern picohw_state PicoPicohw;
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97 typedef size_t (arearw)(void *p, size_t _size, size_t _n, void *file);
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98 typedef size_t (areaeof)(void *file);
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99 typedef int (areaseek)(void *file, long offset, int whence);
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100 typedef int (areaclose)(void *file);
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101 // Save or load the state from PmovFile:
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102 int PmovState(int PmovAction, void *PmovFile); // &1=for reading &2=for writing &4=volatile &8=non-volatile
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103 extern arearw *areaRead; // external read and write function pointers for
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104 extern arearw *areaWrite; // gzip save state ability
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105 extern areaeof *areaEof;
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106 extern areaseek *areaSeek;
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107 extern areaclose *areaClose;
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108 extern void (*PicoStateProgressCB)(const char *str);
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111 int PicoCdLoadStateGfx(void *file);
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114 void PicoCDBufferInit(void);
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115 void PicoCDBufferFree(void);
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116 void PicoCDBufferFlush(void);
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119 int Insert_CD(char *iso_name, int is_bin);
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120 int Insert_CD(char *cdimg_name, int type);
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121 void Stop_CD(void); // releases all resources taken when CD game was started.
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126 PMT_UNCOMPRESSED = 0,
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132 void *file; /* file handle */
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133 void *param; /* additional file related field */
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134 unsigned int size; /* size */
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137 pm_file *pm_open(const char *path);
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138 size_t pm_read(void *ptr, size_t bytes, pm_file *stream);
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139 int pm_seek(pm_file *stream, long offset, int whence);
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140 int pm_close(pm_file *fp);
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141 int PicoCartLoad(pm_file *f,unsigned char **prom,unsigned int *psize);
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142 int PicoCartInsert(unsigned char *rom,unsigned int romsize);
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143 void Byteswap(unsigned char *data,int len);
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144 int PicoCartUnload(void);
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145 extern void (*PicoCartLoadProgressCB)(int percent);
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146 extern void (*PicoCDLoadProgressCB)(int percent);
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149 void PicoDrawSetColorFormat(int which); // 0=BGR444, 1=RGB555, 2=8bit(HighPal pal)
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150 extern void *DrawLineDest;
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151 #if OVERRIDE_HIGHCOL
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152 extern unsigned char *HighCol;
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154 extern int (*PicoScanBegin)(unsigned int num);
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155 extern int (*PicoScanEnd)(unsigned int num);
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158 void vidConvCpyRGB565(void *to, void *from, int pixels);
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161 #define PDRAW_SPRITES_MOVED (1<<0)
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162 #define PDRAW_WND_DIFF_PRIO (1<<1) // not all window tiles use same priority
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163 #define PDRAW_ACC_SPRITES (1<<2) // accurate sprites (copied from PicoOpt)
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164 #define PDRAW_INTERLACE (1<<3) //
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165 #define PDRAW_DIRTY_SPRITES (1<<4)
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166 #define PDRAW_SONIC_MODE (1<<5) // mid-frame palette changes for 8bit renderer
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167 #define PDRAW_PLANE_HI_PRIO (1<<6) // have layer with all hi prio tiles (mk3)
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168 #define PDRAW_SHHI_DONE (1<<7) // layer sh/hi already processed
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169 #define PDRAW_EARLY_BLANK (1<<8) // blanking enabled at the start of prev line
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170 extern int rendstatus;
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171 extern unsigned short HighPal[0x100];
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174 // stuff below is optional
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175 extern unsigned char *PicoDraw2FB; // buffer for fast renderer in format (8+320)x(8+224+8) (eights for borders)
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176 extern unsigned short *PicoCramHigh; // pointer to CRAM buff (0x40 shorts), converted to native device color (works only with 16bit for now)
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177 extern void (*PicoPrepareCram)(); // prepares PicoCramHigh for renderer to use
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180 extern int PsndRate,PsndLen;
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181 extern short *PsndOut;
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182 extern void (*PsndMix_32_to_16l)(short *dest, int *src, int count);
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183 void PsndRerate(int preserve_state);
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186 extern int PicuAnd;
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187 int PicuQuick(unsigned short *dest,unsigned short *src);
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188 int PicuShrink(unsigned short *dest,int destLen,unsigned short *src,int srcLen);
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189 int PicuShrinkReverse(unsigned short *dest,int destLen,unsigned short *src,int srcLen);
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190 int PicuMerge(unsigned short *dest,int destLen,unsigned short *src,int srcLen);
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193 } // End of extern "C"
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