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annotate system.h @ 1356:4d16c09210fd

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Fix resampling code to deal with case in which output frequency is greater than the input frequency. Probably could stand to be improved, but at least it doesn't cause the emulator to deadlock
author Michael Pavone <pavone@retrodev.com>
date Thu, 11 May 2017 07:51:28 -0700
parents 95f5253e75c7
children c886c54d8cf1
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1 #ifndef SYSTEM_H_
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2 #define SYSTEM_H_
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3 #include <stdint.h>
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4
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5 typedef struct system_header system_header;
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6 typedef struct system_media system_media;
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7
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8 typedef enum {
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9 SYSTEM_UNKNOWN,
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10 SYSTEM_GENESIS,
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11 SYSTEM_SMS,
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12 SYSTEM_JAGUAR
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13 } system_type;
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14
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15 typedef enum {
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16 DEBUGGER_NATIVE,
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17 DEBUGGER_GDB
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18 } debugger_type;
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19
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20 typedef void (*system_fun)(system_header *);
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21 typedef uint16_t (*system_fun_r16)(system_header *);
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22 typedef void (*system_str_fun)(system_header *, char *);
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23 typedef uint8_t (*system_str_fun_r8)(system_header *, char *);
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24 typedef void (*speed_system_fun)(system_header *, uint32_t);
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25
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26 #include "arena.h"
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27 #include "romdb.h"
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28
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29 struct system_header {
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30 system_header *next_context;
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31 system_str_fun start_context;
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32 system_fun resume_context;
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33 system_fun load_save;
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34 system_fun persist_save;
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35 system_fun request_exit;
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36 system_fun soft_reset;
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37 system_fun free_context;
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38 system_fun_r16 get_open_bus_value;
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39 speed_system_fun set_speed_percent;
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40 system_fun inc_debug_mode;
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41 system_fun inc_debug_pal;
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42 arena *arena;
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43 char *next_rom;
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44 char *save_dir;
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45 uint8_t enter_debugger;
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46 uint8_t should_exit;
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47 uint8_t save_state;
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48 debugger_type debugger_type;
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49 system_type type;
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50 };
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51
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52 struct system_media {
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53 void *buffer;
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54 char *name;
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55 char *extension;
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56 system_media *chain;
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57 uint32_t size;
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58 };
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59
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60 #define OPT_ADDRESS_LOG (1U << 31U)
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62 system_type detect_system_type(system_media *media);
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63 system_header *alloc_config_system(system_type stype, system_media *media, uint32_t opts, uint8_t force_region, rom_info *info_out);
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64
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65 #endif //SYSTEM_H_