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annotate system.h @ 2298:9d68799f945b

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Added basic FLAC seek implementation and added support for FLAC tracks in CUE sheets
author Michael Pavone <pavone@retrodev.com>
date Thu, 09 Mar 2023 22:49:42 -0800
parents 92449b47cce8
children 9f0c67e5c50a
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1 #ifndef SYSTEM_H_
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2 #define SYSTEM_H_
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3 #include <stddef.h>
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4 #include <stdint.h>
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5 #include <stdio.h>
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6 #include "flac.h"
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7
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8 typedef struct system_header system_header;
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9 typedef struct system_media system_media;
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10
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11 typedef enum {
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12 SYSTEM_UNKNOWN,
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13 SYSTEM_GENESIS,
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14 SYSTEM_GENESIS_PLAYER,
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15 SYSTEM_SEGACD,
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16 SYSTEM_SMS,
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17 SYSTEM_SMS_PLAYER,
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18 SYSTEM_JAGUAR,
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19 SYSTEM_MEDIA_PLAYER
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20 } system_type;
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21
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22 typedef enum {
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23 DEBUGGER_NATIVE,
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24 DEBUGGER_GDB
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25 } debugger_type;
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26
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27 enum {
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28 DEBUG_PLANE,
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29 DEBUG_VRAM,
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30 DEBUG_CRAM,
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31 DEBUG_COMPOSITE,
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32 DEBUG_OSCILLOSCOPE,
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33 DEBUG_CD_GRAPHICS,
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34 NUM_DEBUG_TYPES
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35 };
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36
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37 typedef void (*system_fun)(system_header *);
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38 typedef uint16_t (*system_fun_r16)(system_header *);
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39 typedef void (*system_str_fun)(system_header *, char *);
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40 typedef uint8_t (*system_str_fun_r8)(system_header *, char *);
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41 typedef void (*system_u32_fun)(system_header *, uint32_t);
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42 typedef void (*system_u8_fun)(system_header *, uint8_t);
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43 typedef uint8_t (*system_u8_fun_r8)(system_header *, uint8_t);
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44 typedef void (*system_u8_u8_fun)(system_header *, uint8_t, uint8_t);
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45 typedef void (*system_mabs_fun)(system_header *, uint8_t, uint16_t, uint16_t);
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46 typedef void (*system_mrel_fun)(system_header *, uint8_t, int32_t, int32_t);
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47 typedef uint8_t *(*system_ptrszt_fun_rptr8)(system_header *, size_t *);
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48 typedef void (*system_ptr8_sizet_fun)(system_header *, uint8_t *, size_t);
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49
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50 #include "arena.h"
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51 #include "romdb.h"
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52 typedef struct event_reader event_reader;
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53
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54 struct system_header {
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55 system_header *next_context;
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56 system_str_fun start_context;
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57 system_fun resume_context;
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58 system_fun load_save;
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59 system_fun persist_save;
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60 system_u8_fun_r8 load_state;
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61 system_fun request_exit;
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62 system_fun soft_reset;
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63 system_fun free_context;
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64 system_fun_r16 get_open_bus_value;
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65 system_u32_fun set_speed_percent;
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66 system_fun inc_debug_mode;
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67 system_u8_u8_fun gamepad_down;
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68 system_u8_u8_fun gamepad_up;
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69 system_u8_u8_fun mouse_down;
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70 system_u8_u8_fun mouse_up;
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71 system_mabs_fun mouse_motion_absolute;
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72 system_mrel_fun mouse_motion_relative;
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73 system_u8_fun keyboard_down;
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74 system_u8_fun keyboard_up;
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75 system_fun config_updated;
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76 system_ptrszt_fun_rptr8 serialize;
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77 system_ptr8_sizet_fun deserialize;
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78 system_str_fun start_vgm_log;
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79 system_fun stop_vgm_log;
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80 system_u8_fun toggle_debug_view;
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81 rom_info info;
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82 arena *arena;
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83 char *next_rom;
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84 char *save_dir;
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85 int enter_debugger_frames;
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86 uint8_t enter_debugger;
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87 uint8_t should_exit;
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88 uint8_t save_state;
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89 uint8_t delayed_load_slot;
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90 uint8_t has_keyboard;
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91 uint8_t vgm_logging;
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92 uint8_t force_release;
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93 debugger_type debugger_type;
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94 system_type type;
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95 };
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96
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97 typedef enum {
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98 MEDIA_CART,
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99 MEDIA_CDROM
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100 } media_type;
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101
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102 typedef enum {
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103 TRACK_AUDIO,
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104 TRACK_DATA
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105 } track_type;
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106
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107 enum {
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108 SUBCODES_NONE,
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109 SUBCODES_RAW,
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110 SUBCODES_COOKED
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111 };
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112
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113 typedef struct {
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114 FILE *f;
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115 flac_file *flac;
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116 uint32_t file_offset;
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117 uint32_t fake_pregap;
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118 uint32_t pregap_lba;
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119 uint32_t start_lba;
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120 uint32_t end_lba;
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121 uint16_t sector_bytes;
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122 uint8_t need_swap;
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123 uint8_t has_subcodes;
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124 track_type type;
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125 } track_info;
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126
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127 typedef uint8_t (*seek_fun)(system_media *media, uint32_t sector);
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128 typedef uint8_t (*read_fun)(system_media *media, uint32_t offset);
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129
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130 struct system_media {
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131 void *buffer;
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132 char *dir;
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aee2177a1630 Use filename for game title in SMS mode
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133 char *name;
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134 char *extension;
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135 system_media *chain;
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136 track_info *tracks;
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137 uint8_t *tmp_buffer;
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138 seek_fun seek;
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139 read_fun read;
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140 read_fun read_subcodes;
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141 uint32_t num_tracks;
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142 uint32_t cur_track;
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143 uint32_t size;
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144 uint32_t cur_sector;
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145 media_type type;
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146 uint8_t in_fake_pregap;
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9d68799f945b Added basic FLAC seek implementation and added support for FLAC tracks in CUE sheets
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147 uint8_t byte_storage[3];
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148 };
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149
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150 #define OPT_ADDRESS_LOG (1U << 31U)
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151
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152 system_type detect_system_type(system_media *media);
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153 system_header *alloc_config_system(system_type stype, system_media *media, uint32_t opts, uint8_t force_region);
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c3c62dbf1ceb WIP netplay support
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154 system_header *alloc_config_player(system_type stype, event_reader *reader);
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81df9aa2de9b Less hacky run on audio thread mode
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155 void system_request_exit(system_header *system, uint8_t force_release);
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156
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157 #endif //SYSTEM_H_