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1 | \r |
2 | // -------------------- Pico Library --------------------\r |
3 | \r |
4 | // Pico Library - Header File\r |
5 | \r |
6 | // (c) Copyright 2004 Dave, All rights reserved.\r |
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7 | // (c) Copyright 2006-2008 notaz, All rights reserved.\r |
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8 | // Free for non-commercial use.\r |
9 | \r |
10 | // For commercial use, separate licencing terms must be obtained.\r |
11 | \r |
12 | #ifndef PICO_H\r |
13 | #define PICO_H\r |
14 | \r |
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15 | #include <stdio.h>\r |
16 | \r |
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17 | // port-specific compile-time settings\r |
18 | #include <port_config.h>\r |
19 | \r |
20 | #ifdef __cplusplus\r |
21 | extern "C" {\r |
22 | #endif\r |
23 | \r |
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24 | // external funcs for Sega/Mega CD\r |
25 | int mp3_get_bitrate(FILE *f, int size);\r |
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26 | void mp3_start_play(FILE *f, int pos);\r |
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27 | void mp3_update(int *buffer, int length, int stereo);\r |
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28 | \r |
29 | \r |
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30 | // Pico.c\r |
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31 | #define POPT_EN_FM (1<< 0) // 00 000x\r |
32 | #define POPT_EN_PSG (1<< 1)\r |
33 | #define POPT_EN_Z80 (1<< 2)\r |
34 | #define POPT_EN_STEREO (1<< 3)\r |
35 | #define POPT_ALT_RENDERER (1<< 4) // 00 00x0\r |
36 | #define POPT_6BTN_PAD (1<< 5)\r |
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37 | // unused (1<< 6)\r |
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38 | #define POPT_ACC_SPRITES (1<< 7)\r |
39 | #define POPT_DIS_32C_BORDER (1<< 8) // 00 0x00\r |
40 | #define POPT_EXT_FM (1<< 9)\r |
41 | #define POPT_EN_MCD_PCM (1<<10)\r |
42 | #define POPT_EN_MCD_CDDA (1<<11)\r |
43 | #define POPT_EN_MCD_GFX (1<<12) // 00 x000\r |
44 | #define POPT_EN_MCD_PSYNC (1<<13)\r |
45 | #define POPT_EN_SOFTSCALE (1<<14)\r |
46 | #define POPT_EN_MCD_RAMCART (1<<15)\r |
47 | #define POPT_DIS_VDP_FIFO (1<<16) // 0x 0000\r |
48 | #define POPT_EN_SVP_DRC (1<<17)\r |
381eea9b |
49 | #define POPT_DIS_SPRITE_LIM (1<<18)\r |
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50 | #define POPT_DIS_IDLE_DET (1<<19)\r |
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51 | extern int PicoOpt; // bitfield\r |
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52 | #define PAHW_MCD (1<<0)\r |
53 | #define PAHW_32X (1<<1)\r |
54 | #define PAHW_SVP (1<<2)\r |
55 | #define PAHW_PICO (1<<3)\r |
56 | extern int PicoAHW; // Pico active hw\r |
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57 | extern int PicoVer;\r |
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58 | extern int PicoSkipFrame; // skip rendering frame, but still do sound (if enabled) and emulation stuff\r |
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59 | extern int PicoRegionOverride; // override the region detection 0: auto, 1: Japan NTSC, 2: Japan PAL, 4: US, 8: Europe\r |
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60 | extern int PicoAutoRgnOrder; // packed priority list of regions, for example 0x148 means this detection order: EUR, USA, JAP\r |
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61 | extern int PicoSVPCycles;\r |
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62 | void PicoInit(void);\r |
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63 | void PicoExit(void);\r |
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64 | void PicoPower(void);\r |
65 | int PicoReset(void);\r |
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66 | void PicoFrame(void);\r |
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67 | void PicoFrameDrawOnly(void);\r |
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68 | extern int PicoPad[2]; // Joypads, format is MXYZ SACB RLDU\r |
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69 | extern void (*PicoWriteSound)(int len); // called once per frame at the best time to send sound buffer (PsndOut) to hardware\r |
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70 | extern void (*PicoMessage)(const char *msg); // callback to output text message from emu\r |
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71 | typedef enum { PI_ROM, PI_ISPAL, PI_IS40_CELL, PI_IS240_LINES } pint_t;\r |
72 | typedef union { int vint; void *vptr; } pint_ret_t;\r |
73 | void PicoGetInternal(pint_t which, pint_ret_t *ret);\r |
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74 | \r |
721cd396 |
75 | // cd/Pico.c\r |
721cd396 |
76 | extern void (*PicoMCDopenTray)(void);\r |
77 | extern int (*PicoMCDcloseTray)(void);\r |
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78 | extern int PicoCDBuffers;\r |
79 | \r |
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80 | // Pico/Pico.c\r |
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81 | #define XPCM_BUFFER_SIZE (320+160)\r |
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82 | typedef struct\r |
83 | {\r |
84 | int pen_pos[2];\r |
85 | int page;\r |
86 | // internal\r |
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87 | int fifo_bytes; // bytes in FIFO\r |
88 | int fifo_bytes_prev;\r |
ef4eb506 |
89 | int fifo_line_bytes; // float part, << 16\r |
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90 | int line_counter;\r |
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91 | unsigned short r1, r12;\r |
92 | unsigned char xpcm_buffer[XPCM_BUFFER_SIZE+4];\r |
93 | unsigned char *xpcm_ptr;\r |
d49b10c2 |
94 | } picohw_state;\r |
95 | extern picohw_state PicoPicohw;\r |
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96 | \r |
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97 | // Area.c\r |
98 | typedef size_t (arearw)(void *p, size_t _size, size_t _n, void *file);\r |
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99 | typedef size_t (areaeof)(void *file);\r |
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100 | typedef int (areaseek)(void *file, long offset, int whence);\r |
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101 | typedef int (areaclose)(void *file);\r |
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102 | // Save or load the state from PmovFile:\r |
103 | int PmovState(int PmovAction, void *PmovFile); // &1=for reading &2=for writing &4=volatile &8=non-volatile\r |
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104 | extern arearw *areaRead; // external read and write function pointers for\r |
105 | extern arearw *areaWrite; // gzip save state ability\r |
106 | extern areaeof *areaEof;\r |
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107 | extern areaseek *areaSeek;\r |
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108 | extern areaclose *areaClose;\r |
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109 | extern void (*PicoStateProgressCB)(const char *str);\r |
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110 | \r |
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111 | // cd/Area.c\r |
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112 | int PicoCdLoadStateGfx(void *file);\r |
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113 | \r |
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114 | // cd/buffering.c\r |
115 | void PicoCDBufferInit(void);\r |
116 | void PicoCDBufferFree(void);\r |
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117 | void PicoCDBufferFlush(void);\r |
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118 | \r |
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119 | // cd/cd_sys.c\r |
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120 | int Insert_CD(char *cdimg_name, int type);\r |
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121 | void Stop_CD(void); // releases all resources taken when CD game was started.\r |
122 | \r |
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123 | // Cart.c\r |
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124 | typedef enum\r |
125 | {\r |
126 | PMT_UNCOMPRESSED = 0,\r |
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127 | PMT_ZIP,\r |
128 | PMT_CSO\r |
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129 | } pm_type;\r |
130 | typedef struct\r |
131 | {\r |
132 | void *file; /* file handle */\r |
133 | void *param; /* additional file related field */\r |
134 | unsigned int size; /* size */\r |
135 | pm_type type;\r |
136 | } pm_file;\r |
137 | pm_file *pm_open(const char *path);\r |
138 | size_t pm_read(void *ptr, size_t bytes, pm_file *stream);\r |
139 | int pm_seek(pm_file *stream, long offset, int whence);\r |
140 | int pm_close(pm_file *fp);\r |
141 | int PicoCartLoad(pm_file *f,unsigned char **prom,unsigned int *psize);\r |
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142 | int PicoCartInsert(unsigned char *rom,unsigned int romsize);\r |
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143 | void Byteswap(unsigned char *data,int len);\r |
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144 | void PicoCartUnload(void);\r |
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145 | extern void (*PicoCartLoadProgressCB)(int percent);\r |
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146 | extern void (*PicoCDLoadProgressCB)(int percent);\r |
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147 | \r |
148 | // Draw.c\r |
149 | void PicoDrawSetColorFormat(int which); // 0=BGR444, 1=RGB555, 2=8bit(HighPal pal)\r |
150 | extern void *DrawLineDest;\r |
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151 | #if OVERRIDE_HIGHCOL\r |
152 | extern unsigned char *HighCol;\r |
153 | #endif\r |
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154 | extern int (*PicoScanBegin)(unsigned int num);\r |
155 | extern int (*PicoScanEnd)(unsigned int num);\r |
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156 | // utility\r |
157 | #ifdef _ASM_DRAW_C\r |
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158 | void vidConvCpyRGB565(void *to, void *from, int pixels);\r |
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159 | #endif\r |
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160 | // internals\r |
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161 | #define PDRAW_SPRITES_MOVED (1<<0) // (asm)\r |
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162 | #define PDRAW_WND_DIFF_PRIO (1<<1) // not all window tiles use same priority\r |
163 | #define PDRAW_ACC_SPRITES (1<<2) // accurate sprites (copied from PicoOpt)\r |
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164 | #define PDRAW_INTERLACE (1<<3)\r |
165 | #define PDRAW_DIRTY_SPRITES (1<<4) // (asm)\r |
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166 | #define PDRAW_SONIC_MODE (1<<5) // mid-frame palette changes for 8bit renderer\r |
167 | #define PDRAW_PLANE_HI_PRIO (1<<6) // have layer with all hi prio tiles (mk3)\r |
168 | #define PDRAW_SHHI_DONE (1<<7) // layer sh/hi already processed\r |
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169 | extern int rendstatus;\r |
170 | extern unsigned short HighPal[0x100];\r |
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171 | \r |
172 | // Draw2.c\r |
173 | // stuff below is optional\r |
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174 | extern unsigned char *PicoDraw2FB; // buffer for fast renderer in format (8+320)x(8+224+8) (eights for borders)\r |
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175 | extern unsigned short *PicoCramHigh; // pointer to CRAM buff (0x40 shorts), converted to native device color (works only with 16bit for now)\r |
176 | extern void (*PicoPrepareCram)(); // prepares PicoCramHigh for renderer to use\r |
177 | \r |
178 | // sound.c\r |
179 | extern int PsndRate,PsndLen;\r |
180 | extern short *PsndOut;\r |
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181 | extern void (*PsndMix_32_to_16l)(short *dest, int *src, int count);\r |
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182 | void PsndRerate(int preserve_state);\r |
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183 | \r |
184 | // Utils.c\r |
185 | extern int PicuAnd;\r |
186 | int PicuQuick(unsigned short *dest,unsigned short *src);\r |
187 | int PicuShrink(unsigned short *dest,int destLen,unsigned short *src,int srcLen);\r |
188 | int PicuShrinkReverse(unsigned short *dest,int destLen,unsigned short *src,int srcLen);\r |
189 | int PicuMerge(unsigned short *dest,int destLen,unsigned short *src,int srcLen);\r |
190 | \r |
191 | #ifdef __cplusplus\r |
192 | } // End of extern "C"\r |
193 | #endif\r |
194 | \r |
195 | #endif // PICO_H\r |