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annotate serialize.h @ 1925:039553703c20

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Don't apply address and cd register changes to the 'live' registers until pending flag is cleared, but do preserve the upper address bits in the latch. Fixes regression in Overdrive 2 while preserving fix to Mona in 344 bytes
author Michael Pavone <pavone@retrodev.com>
date Mon, 13 Apr 2020 20:43:25 -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