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annotate system.h @ 2067:f22e04b69272 segacd

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More CDC/CDD improvements
author Michael Pavone <pavone@retrodev.com>
date Sun, 30 Jan 2022 11:58:17 -0800
parents 6399a776e981
children 3f29e2726522
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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
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7 typedef struct system_header system_header;
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8 typedef struct system_media system_media;
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9
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10 typedef enum {
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11 SYSTEM_UNKNOWN,
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12 SYSTEM_GENESIS,
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13 SYSTEM_GENESIS_PLAYER,
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14 SYSTEM_SEGACD,
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15 SYSTEM_SMS,
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16 SYSTEM_SMS_PLAYER,
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17 SYSTEM_JAGUAR,
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18 } system_type;
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19
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20 typedef enum {
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21 DEBUGGER_NATIVE,
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22 DEBUGGER_GDB
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23 } debugger_type;
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24
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25 typedef void (*system_fun)(system_header *);
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26 typedef uint16_t (*system_fun_r16)(system_header *);
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27 typedef void (*system_str_fun)(system_header *, char *);
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28 typedef uint8_t (*system_str_fun_r8)(system_header *, char *);
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29 typedef void (*system_u32_fun)(system_header *, uint32_t);
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30 typedef void (*system_u8_fun)(system_header *, uint8_t);
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31 typedef uint8_t (*system_u8_fun_r8)(system_header *, uint8_t);
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32 typedef void (*system_u8_u8_fun)(system_header *, uint8_t, uint8_t);
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33 typedef void (*system_mabs_fun)(system_header *, uint8_t, uint16_t, uint16_t);
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34 typedef void (*system_mrel_fun)(system_header *, uint8_t, int32_t, int32_t);
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35 typedef uint8_t *(*system_ptrszt_fun_rptr8)(system_header *, size_t *);
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36 typedef void (*system_ptr8_sizet_fun)(system_header *, uint8_t *, size_t);
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37
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38 #include "arena.h"
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39 #include "romdb.h"
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40 #include "event_log.h"
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41
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42 struct system_header {
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43 system_header *next_context;
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44 system_str_fun start_context;
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45 system_fun resume_context;
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46 system_fun load_save;
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47 system_fun persist_save;
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48 system_u8_fun_r8 load_state;
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49 system_fun request_exit;
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50 system_fun soft_reset;
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51 system_fun free_context;
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52 system_fun_r16 get_open_bus_value;
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53 system_u32_fun set_speed_percent;
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54 system_fun inc_debug_mode;
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55 system_u8_u8_fun gamepad_down;
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56 system_u8_u8_fun gamepad_up;
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57 system_u8_u8_fun mouse_down;
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58 system_u8_u8_fun mouse_up;
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59 system_mabs_fun mouse_motion_absolute;
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60 system_mrel_fun mouse_motion_relative;
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61 system_u8_fun keyboard_down;
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62 system_u8_fun keyboard_up;
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63 system_fun config_updated;
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64 system_ptrszt_fun_rptr8 serialize;
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65 system_ptr8_sizet_fun deserialize;
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66 system_str_fun start_vgm_log;
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67 system_fun stop_vgm_log;
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68 rom_info info;
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69 arena *arena;
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70 char *next_rom;
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71 char *save_dir;
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72 uint8_t enter_debugger;
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73 uint8_t should_exit;
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74 uint8_t save_state;
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75 uint8_t delayed_load_slot;
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76 uint8_t has_keyboard;
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77 uint8_t vgm_logging;
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78 uint8_t force_release;
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79 debugger_type debugger_type;
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80 system_type type;
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81 };
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82
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83 typedef enum {
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84 MEDIA_CART,
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85 MEDIA_CDROM
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86 } media_type;
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87
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88 typedef enum {
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89 TRACK_AUDIO,
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90 TRACK_DATA
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91 } track_type;
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92
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93 typedef struct {
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94 uint32_t fake_pregap;
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95 uint32_t pregap_lba;
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96 uint32_t start_lba;
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97 uint32_t end_lba;
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98 track_type type;
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99 } track_info;
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100
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101 struct system_media {
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102 void *buffer;
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103 char *dir;
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104 char *name;
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105 char *extension;
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106 system_media *chain;
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107 track_info *tracks;
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108 FILE *f;
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109 uint32_t num_tracks;
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110 uint32_t size;
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111 media_type type;
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112 };
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113
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114 #define OPT_ADDRESS_LOG (1U << 31U)
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115
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116 system_type detect_system_type(system_media *media);
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117 system_header *alloc_config_system(system_type stype, system_media *media, uint32_t opts, uint8_t force_region);
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118 system_header *alloc_config_player(system_type stype, event_reader *reader);
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119 void system_request_exit(system_header *system, uint8_t force_release);
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120
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121 #endif //SYSTEM_H_