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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 |
6cadc2da |
7 | // (c) Copyright 2006-2007 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 | int mp3_get_offset(void); // 0-1023\r |
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28 | void mp3_update(int *buffer, int length, int stereo);\r |
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29 | \r |
30 | \r |
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31 | // Pico.c\r |
32 | // PicoOpt bits LSb->MSb:\r |
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33 | // 00 000x enable_ym2612&dac, enable_sn76496, enable_z80, stereo_sound,\r |
34 | // 00 00x0 alt_renderer, 6button_gamepad, accurate_timing, accurate_sprites,\r |
35 | // 00 0x00 draw_no_32col_border, external_ym2612, enable_cd_pcm, enable_cd_cdda\r |
36 | // 00 x000 enable_cd_gfx, cd_perfect_sync, soft_32col_scaling, enable_cd_ramcart\r |
37 | // 0x 0000 disable_vdp_fifo, no_svp_dynarec\r |
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38 | extern int PicoOpt;\r |
39 | extern int PicoVer;\r |
40 | extern int PicoSkipFrame; // skip rendering frame, but still do sound (if enabled) and emulation stuff\r |
41 | extern int PicoRegionOverride; // override the region detection 0: auto, 1: Japan NTSC, 2: Japan PAL, 4: US, 8: Europe\r |
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42 | extern int PicoAutoRgnOrder; // packed priority list of regions, for example 0x148 means this detection order: EUR, USA, JAP\r |
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43 | extern int PicoSVPCycles;\r |
44 | int PicoInit(void);\r |
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45 | void PicoExit(void);\r |
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46 | int PicoReset(int hard);\r |
47 | int PicoFrame(void);\r |
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48 | void PicoFrameDrawOnly(void);\r |
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49 | extern int PicoPad[2]; // Joypads, format is MXYZ SACB RLDU\r |
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50 | 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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51 | extern void (*PicoMessage)(const char *msg); // callback to output text message from emu\r |
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52 | typedef enum { PS_PAL, PS_40_CELL, PS_240_LINES } pstat_t;\r |
53 | int PicoGetStat(pstat_t which);\r |
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54 | \r |
721cd396 |
55 | // cd/Pico.c\r |
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56 | extern void (*PicoMCDopenTray)(void);\r |
57 | extern int (*PicoMCDcloseTray)(void);\r |
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58 | extern int PicoCDBuffers;\r |
59 | \r |
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60 | // Area.c\r |
61 | typedef size_t (arearw)(void *p, size_t _size, size_t _n, void *file);\r |
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62 | typedef size_t (areaeof)(void *file);\r |
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63 | typedef int (areaseek)(void *file, long offset, int whence);\r |
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64 | typedef int (areaclose)(void *file);\r |
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65 | // Save or load the state from PmovFile:\r |
66 | int PmovState(int PmovAction, void *PmovFile); // &1=for reading &2=for writing &4=volatile &8=non-volatile\r |
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67 | extern arearw *areaRead; // external read and write function pointers for\r |
68 | extern arearw *areaWrite; // gzip save state ability\r |
69 | extern areaeof *areaEof;\r |
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70 | extern areaseek *areaSeek;\r |
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71 | extern areaclose *areaClose;\r |
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72 | extern void (*PicoStateProgressCB)(const char *str);\r |
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73 | \r |
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74 | // cd/Area.c\r |
75 | int PicoCdLoadStateGfx(void *file);\r |
76 | \r |
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77 | // cd/buffering.c\r |
78 | void PicoCDBufferInit(void);\r |
79 | void PicoCDBufferFree(void);\r |
80 | \r |
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81 | // cd/cd_sys.c\r |
82 | int Insert_CD(char *iso_name, int is_bin);\r |
83 | void Stop_CD(void); // releases all resources taken when CD game was started.\r |
84 | \r |
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85 | // Cart.c\r |
83bd0b76 |
86 | typedef enum\r |
87 | {\r |
88 | PMT_UNCOMPRESSED = 0,\r |
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89 | PMT_ZIP,\r |
90 | PMT_CSO\r |
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91 | } pm_type;\r |
92 | typedef struct\r |
93 | {\r |
94 | void *file; /* file handle */\r |
95 | void *param; /* additional file related field */\r |
96 | unsigned int size; /* size */\r |
97 | pm_type type;\r |
98 | } pm_file;\r |
99 | pm_file *pm_open(const char *path);\r |
100 | size_t pm_read(void *ptr, size_t bytes, pm_file *stream);\r |
101 | int pm_seek(pm_file *stream, long offset, int whence);\r |
102 | int pm_close(pm_file *fp);\r |
103 | int PicoCartLoad(pm_file *f,unsigned char **prom,unsigned int *psize);\r |
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104 | int PicoCartInsert(unsigned char *rom,unsigned int romsize);\r |
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105 | void Byteswap(unsigned char *data,int len);\r |
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106 | int PicoCartUnload(void);\r |
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107 | extern void (*PicoCartLoadProgressCB)(int percent);\r |
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108 | extern void (*PicoCDLoadProgressCB)(int percent);\r |
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109 | \r |
110 | // Draw.c\r |
111 | void PicoDrawSetColorFormat(int which); // 0=BGR444, 1=RGB555, 2=8bit(HighPal pal)\r |
112 | extern void *DrawLineDest;\r |
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113 | #if OVERRIDE_HIGHCOL\r |
114 | extern unsigned char *HighCol;\r |
115 | #endif\r |
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116 | extern int (*PicoScan)(unsigned int num, void *data);\r |
117 | // internals\r |
118 | extern unsigned short HighPal[0x100];\r |
119 | extern int rendstatus;\r |
120 | // utility\r |
121 | #ifdef _ASM_DRAW_C\r |
122 | void *blockcpy(void *dst, const void *src, size_t n);\r |
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123 | void vidConvCpyRGB565(void *to, void *from, int pixels);\r |
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124 | #else\r |
125 | #define blockcpy memcpy\r |
126 | #endif\r |
127 | \r |
128 | // Draw2.c\r |
129 | // stuff below is optional\r |
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130 | extern unsigned char *PicoDraw2FB; // buffer for fast renderer in format (8+320)x(8+224+8) (eights for borders)\r |
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131 | extern unsigned short *PicoCramHigh; // pointer to CRAM buff (0x40 shorts), converted to native device color (works only with 16bit for now)\r |
132 | extern void (*PicoPrepareCram)(); // prepares PicoCramHigh for renderer to use\r |
133 | \r |
134 | // sound.c\r |
135 | extern int PsndRate,PsndLen;\r |
136 | extern short *PsndOut;\r |
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137 | extern void (*PsndMix_32_to_16l)(short *dest, int *src, int count);\r |
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138 | void PsndRerate(int preserve_state);\r |
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139 | \r |
140 | // Utils.c\r |
141 | extern int PicuAnd;\r |
142 | int PicuQuick(unsigned short *dest,unsigned short *src);\r |
143 | int PicuShrink(unsigned short *dest,int destLen,unsigned short *src,int srcLen);\r |
144 | int PicuShrinkReverse(unsigned short *dest,int destLen,unsigned short *src,int srcLen);\r |
145 | int PicuMerge(unsigned short *dest,int destLen,unsigned short *src,int srcLen);\r |
146 | \r |
147 | #ifdef __cplusplus\r |
148 | } // End of extern "C"\r |
149 | #endif\r |
150 | \r |
151 | #endif // PICO_H\r |