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annotate event_log.h @ 1956:275f1c4bdb25

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Netplay protocol size optimization
author Michael Pavone <pavone@retrodev.com>
date Fri, 01 May 2020 23:39:45 -0700
parents c36102d09351
children ba06346611a1
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1947
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1 #ifndef EVENT_LOG_H_
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2 #define EVENT_LOG_H_
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3
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4 enum {
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5 EVENT_FLUSH = 0,
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6 EVENT_ADJUST = 1,
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7 EVENT_PSG_REG = 2,
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8 EVENT_YM_REG = 3,
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9 EVENT_VDP_REG = 4,
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10 EVENT_VRAM_BYTE = 5,
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11 EVENT_VRAM_BYTE_DELTA = 6,
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12 EVENT_VRAM_BYTE_ONE = 7,
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13 EVENT_VRAM_BYTE_AUTO = 8,
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14 EVENT_VRAM_WORD = 9,
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15 EVENT_VRAM_WORD_DELTA = 10,
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16 EVENT_VDP_INTRAM = 11,
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17 EVENT_STATE = 12,
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18 EVENT_MULTI = 13
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19 //14 and 15 are reserved for header types
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20 };
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21
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22 #include "serialize.h"
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23 typedef struct {
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24 size_t storage;
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25 int socket;
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26 uint32_t last_cycle;
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27 uint32_t last_word_address;
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28 uint32_t last_byte_address;
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29 uint32_t repeat_delta;
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30 deserialize_buffer buffer;
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31 uint8_t repeat_event;
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32 uint8_t repeat_remaining;
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33 } event_reader;
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34
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35 #include "system.h"
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36 #include "render.h"
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37
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38 void event_log_file(char *fname);
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39 void event_log_tcp(char *address, char *port);
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40 void event_system_start(system_type stype, vid_std video_std, char *name);
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41 void event_cycle_adjust(uint32_t cycle, uint32_t deduction);
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42 void event_log(uint8_t type, uint32_t cycle, uint8_t size, uint8_t *payload);
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43 void event_vram_word(uint32_t cycle, uint32_t address, uint16_t value);
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44 void event_vram_byte(uint32_t cycle, uint16_t address, uint8_t byte, uint8_t auto_inc);
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45 void event_state(uint32_t cycle, serialize_buffer *state);
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46 void event_flush(uint32_t cycle);
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47
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48 void init_event_reader(event_reader *reader, uint8_t *data, size_t size);
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49 void init_event_reader_tcp(event_reader *reader, char *address, char *port);
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50 uint8_t reader_next_event(event_reader *reader, uint32_t *cycle_out);
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51 uint8_t reader_system_type(event_reader *reader);
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52 void reader_send_gamepad_event(event_reader *reader, uint8_t pad, uint8_t button, uint8_t down);
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53
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54 #endif //EVENT_LOG_H_