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 2006-2009 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 extern int mp3_get_bitrate(FILE *f, int size);
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26 extern void mp3_start_play(FILE *f, int pos);
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27 extern void mp3_update(int *buffer, int length, int stereo);
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29 // this function should write-back d-cache and invalidate i-cache
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30 // on a mem region [start_addr, end_addr)
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31 // used by SVP dynarec
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32 extern void cache_flush_d_inval_i(const void *start_addr, const void *end_addr);
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34 // this one should handle display mode changes
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35 extern void emu_video_mode_change(int start_line, int line_count, int is_32cols);
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37 // this must switch to 16bpp mode
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38 extern void emu_32x_startup(void);
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40 // optional 32X BIOS, should be left NULL if not used
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41 // must be 256, 2048, 1024 bytes
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42 extern void *p32x_bios_g, *p32x_bios_m, *p32x_bios_s;
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45 #define POPT_EN_FM (1<< 0) // 00 000x
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46 #define POPT_EN_PSG (1<< 1)
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47 #define POPT_EN_Z80 (1<< 2)
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48 #define POPT_EN_STEREO (1<< 3)
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49 #define POPT_ALT_RENDERER (1<< 4) // 00 00x0
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50 #define POPT_6BTN_PAD (1<< 5)
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52 #define POPT_ACC_SPRITES (1<< 7)
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53 #define POPT_DIS_32C_BORDER (1<< 8) // 00 0x00
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54 #define POPT_EXT_FM (1<< 9)
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55 #define POPT_EN_MCD_PCM (1<<10)
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56 #define POPT_EN_MCD_CDDA (1<<11)
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57 #define POPT_EN_MCD_GFX (1<<12) // 00 x000
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58 #define POPT_EN_MCD_PSYNC (1<<13)
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59 #define POPT_EN_SOFTSCALE (1<<14)
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60 #define POPT_EN_MCD_RAMCART (1<<15)
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61 #define POPT_DIS_VDP_FIFO (1<<16) // 0x 0000
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62 #define POPT_EN_SVP_DRC (1<<17)
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63 #define POPT_DIS_SPRITE_LIM (1<<18)
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64 #define POPT_DIS_IDLE_DET (1<<19)
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65 #define POPT_EN_32X (1<<20)
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66 #define POPT_EN_PWM (1<<21)
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67 extern int PicoOpt; // bitfield
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69 #define PAHW_MCD (1<<0)
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70 #define PAHW_32X (1<<1)
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71 #define PAHW_SVP (1<<2)
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72 #define PAHW_PICO (1<<3)
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73 #define PAHW_SMS (1<<4)
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74 extern int PicoAHW; // Pico active hw
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75 extern int PicoSkipFrame; // skip rendering frame, but still do sound (if enabled) and emulation stuff
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76 extern int PicoRegionOverride; // override the region detection 0: auto, 1: Japan NTSC, 2: Japan PAL, 4: US, 8: Europe
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77 extern int PicoAutoRgnOrder; // packed priority list of regions, for example 0x148 means this detection order: EUR, USA, JAP
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78 extern int PicoSVPCycles;
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79 void PicoInit(void);
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80 void PicoExit(void);
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81 void PicoPower(void);
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82 int PicoReset(void);
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83 void PicoLoopPrepare(void);
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84 void PicoFrame(void);
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85 void PicoFrameDrawOnly(void);
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86 extern int PicoPad[2]; // Joypads, format is MXYZ SACB RLDU
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87 extern void (*PicoWriteSound)(int len); // called once per frame at the best time to send sound buffer (PsndOut) to hardware
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88 extern void (*PicoMessage)(const char *msg); // callback to output text message from emu
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89 typedef enum { PI_ROM, PI_ISPAL, PI_IS40_CELL, PI_IS240_LINES } pint_t;
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90 typedef union { int vint; void *vptr; } pint_ret_t;
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91 void PicoGetInternal(pint_t which, pint_ret_t *ret);
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94 extern void (*PicoMCDopenTray)(void);
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95 extern void (*PicoMCDcloseTray)(void);
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96 extern int PicoCDBuffers;
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99 #define XPCM_BUFFER_SIZE (320+160)
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105 int fifo_bytes; // bytes in FIFO
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106 int fifo_bytes_prev;
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107 int fifo_line_bytes; // float part, << 16
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109 unsigned short r1, r12;
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110 unsigned char xpcm_buffer[XPCM_BUFFER_SIZE+4];
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111 unsigned char *xpcm_ptr;
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113 extern picohw_state PicoPicohw;
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116 int PicoState(const char *fname, int is_save);
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117 int PicoStateLoadVDP(const char *fname);
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118 extern void (*PicoStateProgressCB)(const char *str);
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121 int PicoCdLoadStateGfx(void *file);
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124 void PicoCDBufferInit(void);
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125 void PicoCDBufferFree(void);
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126 void PicoCDBufferFlush(void);
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129 int Insert_CD(const char *cdimg_name, int type);
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130 void Stop_CD(void); // releases all resources taken when CD game was started.
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135 PMT_UNCOMPRESSED = 0,
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141 void *file; /* file handle */
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142 void *param; /* additional file related field */
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143 unsigned int size; /* size */
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147 pm_file *pm_open(const char *path);
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148 size_t pm_read(void *ptr, size_t bytes, pm_file *stream);
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149 int pm_seek(pm_file *stream, long offset, int whence);
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150 int pm_close(pm_file *fp);
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151 int PicoCartLoad(pm_file *f,unsigned char **prom,unsigned int *psize,int is_sms);
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152 int PicoCartInsert(unsigned char *rom, unsigned int romsize, const char *carthw_cfg);
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153 void PicoCartUnload(void);
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154 extern void (*PicoCartLoadProgressCB)(int percent);
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155 extern void (*PicoCDLoadProgressCB)(const char *fname, int percent);
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158 void PicoDrawSetColorFormat(int which); // 0=BGR444, 1=RGB555, 2=8bit(HighPal pal)
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159 extern void *DrawLineDest;
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160 #if OVERRIDE_HIGHCOL
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161 extern unsigned char *HighCol;
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163 extern unsigned char HighCol[8+320+8];
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165 extern int (*PicoScanBegin)(unsigned int num);
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166 extern int (*PicoScanEnd)(unsigned int num);
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169 void vidConvCpyRGB565(void *to, void *from, int pixels);
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171 void PicoDoHighPal555(int sh);
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172 extern int PicoDrawMask;
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173 #define PDRAW_LAYERB_ON (1<<2)
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174 #define PDRAW_LAYERA_ON (1<<3)
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175 #define PDRAW_SPRITES_LOW_ON (1<<4)
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176 #define PDRAW_SPRITES_HI_ON (1<<7)
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177 #define PDRAW_32X_ON (1<<8)
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179 #define PDRAW_SPRITES_MOVED (1<<0) // (asm)
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180 #define PDRAW_WND_DIFF_PRIO (1<<1) // not all window tiles use same priority
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181 #define PDRAW_SPR_LO_ON_HI (1<<2) // seen sprites without layer pri bit ontop spr. with that bit
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182 #define PDRAW_INTERLACE (1<<3)
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183 #define PDRAW_DIRTY_SPRITES (1<<4) // (asm)
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184 #define PDRAW_SONIC_MODE (1<<5) // mid-frame palette changes for 8bit renderer
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185 #define PDRAW_PLANE_HI_PRIO (1<<6) // have layer with all hi prio tiles (mk3)
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186 #define PDRAW_SHHI_DONE (1<<7) // layer sh/hi already processed
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187 #define PDRAW_32_COLS (1<<8) // 32 column mode
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188 extern int rendstatus, rendstatus_old;
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189 extern int rendlines;
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190 extern unsigned short HighPal[0x100];
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193 // stuff below is optional
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194 extern unsigned char *PicoDraw2FB; // buffer for fast renderer in format (8+320)x(8+224+8) (eights for borders)
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195 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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196 extern void (*PicoPrepareCram)(); // prepares PicoCramHigh for renderer to use
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199 extern int PsndRate,PsndLen;
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200 extern short *PsndOut;
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201 extern void (*PsndMix_32_to_16l)(short *dest, int *src, int count);
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202 void PsndRerate(int preserve_state);
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205 extern int PicuAnd;
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206 int PicuQuick(unsigned short *dest,unsigned short *src);
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207 int PicuShrink(unsigned short *dest,int destLen,unsigned short *src,int srcLen);
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208 int PicuShrinkReverse(unsigned short *dest,int destLen,unsigned short *src,int srcLen);
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209 int PicuMerge(unsigned short *dest,int destLen,unsigned short *src,int srcLen);
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212 } // End of extern "C"
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