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annotate serialize.h @ 1971:80920c21bb52

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Add an event log soft flush and call it twice per frame in between hard flushes to netplay latency when there are insufficient hardware updates to flush packets in the middle of a frame
author Michael Pavone <pavone@retrodev.com>
date Fri, 08 May 2020 11:40:30 -0700
parents c886c54d8cf1
children 3b8e29ef1145
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1 #ifndef SERIALIZE_H_
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2 #define SERIALIZE_H_
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3
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4 #include <stdint.h>
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5 #include <stddef.h>
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6
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7 typedef struct {
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8 size_t size;
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9 size_t storage;
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10 size_t current_section_start;
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11 uint8_t *data;
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12 } serialize_buffer;
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13
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14 typedef struct deserialize_buffer deserialize_buffer;
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15 typedef void (*section_fun)(deserialize_buffer *buf, void *data);
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16
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17 typedef struct {
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18 section_fun fun;
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19 void *data;
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20 } section_handler;
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21
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22 struct deserialize_buffer {
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23 size_t size;
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24 size_t cur_pos;
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25 uint8_t *data;
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26 section_handler *handlers;
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27 uint16_t max_handler;
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28 };
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29
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30 enum {
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31 SECTION_HEADER,
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32 SECTION_68000,
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33 SECTION_Z80,
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34 SECTION_VDP,
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35 SECTION_YM2612,
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36 SECTION_PSG,
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37 SECTION_GEN_BUS_ARBITER,
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38 SECTION_SEGA_IO_1,
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39 SECTION_SEGA_IO_2,
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40 SECTION_SEGA_IO_EXT,
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41 SECTION_MAIN_RAM,
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42 SECTION_SOUND_RAM,
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43 SECTION_MAPPER,
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44 SECTION_EEPROM,
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45 SECTION_CART_RAM
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46 };
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47
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48 void init_serialize(serialize_buffer *buf);
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49 void save_int32(serialize_buffer *buf, uint32_t val);
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50 void save_int16(serialize_buffer *buf, uint16_t val);
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51 void save_int8(serialize_buffer *buf, uint8_t val);
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52 void save_string(serialize_buffer *buf, char *val);
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53 void save_buffer8(serialize_buffer *buf, void *val, size_t len);
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54 void save_buffer16(serialize_buffer *buf, uint16_t *val, size_t len);
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55 void save_buffer32(serialize_buffer *buf, uint32_t *val, size_t len);
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56 void start_section(serialize_buffer *buf, uint16_t section_id);
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57 void end_section(serialize_buffer *buf);
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58 void register_section_handler(deserialize_buffer *buf, section_handler handler, uint16_t section_id);
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59 void init_deserialize(deserialize_buffer *buf, uint8_t *data, size_t size);
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60 uint32_t load_int32(deserialize_buffer *buf);
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61 uint16_t load_int16(deserialize_buffer *buf);
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62 uint8_t load_int8(deserialize_buffer *buf);
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63 void load_buffer8(deserialize_buffer *buf, void *dst, size_t len);
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64 void load_buffer16(deserialize_buffer *buf, uint16_t *dst, size_t len);
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65 void load_buffer32(deserialize_buffer *buf, uint32_t *dst, size_t len);
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66 void load_section(deserialize_buffer *buf);
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67 uint8_t save_to_file(serialize_buffer *buf, char *path);
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68 uint8_t load_from_file(deserialize_buffer *buf, char *path);
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69 #endif //SERIALIZE_H