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annotate romdb.h @ 1106:cacbd3f18f03

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Fix field flag handling bug introduced with VDP/render interface cleanup
author Michael Pavone <pavone@retrodev.com>
date Mon, 12 Dec 2016 09:50:33 -0800
parents 5fb64487b6e1
children 6b0da6021544
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1 #ifndef ROMDB_H_
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2 #define ROMDB_H_
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3
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4 #define REGION_J 1
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5 #define REGION_U 2
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6 #define REGION_E 4
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7
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8 #define RAM_FLAG_ODD 0x18
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9 #define RAM_FLAG_EVEN 0x10
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10 #define RAM_FLAG_BOTH 0x00
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11 #define RAM_FLAG_MASK RAM_FLAG_ODD
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12 #define SAVE_I2C 0x01
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13 #define SAVE_NONE 0xFF
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14
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15 #include "tern.h"
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16 #include "backend.h"
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17
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18 typedef struct {
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19 uint32_t start;
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20 uint32_t end;
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21 uint16_t sda_write_mask;
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22 uint16_t scl_mask;
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23 uint8_t sda_read_bit;
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24 } eeprom_map;
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25
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26 typedef struct {
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27 char *buffer;
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28 uint32_t size;
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29 uint16_t address;
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30 uint8_t host_sda;
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31 uint8_t slave_sda;
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32 uint8_t scl;
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33 uint8_t state;
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34 uint8_t counter;
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35 uint8_t latch;
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36 } eeprom_state;
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37
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38 typedef struct {
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39 char *name;
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40 memmap_chunk *map;
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41 uint8_t *save_buffer;
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42 eeprom_map *eeprom_map;
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43 char *port1_override;
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44 char *port2_override;
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45 char *ext_override;
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46 char *mouse_mode;
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47 uint32_t num_eeprom;
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48 uint32_t map_chunks;
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49 uint32_t save_size;
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50 uint32_t save_mask;
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51 uint16_t mapper_start_index;
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52 uint8_t save_type;
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53 uint8_t regions;
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54 } rom_info;
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55
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56 tern_node *load_rom_db();
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57 rom_info configure_rom(tern_node *rom_db, void *vrom, uint32_t rom_size, void *lock_on, uint32_t lock_on_size, memmap_chunk const *base_map, uint32_t base_chunks);
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58 rom_info configure_rom_heuristics(uint8_t *rom, uint32_t rom_size, memmap_chunk const *base_map, uint32_t base_chunks);
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59 uint8_t translate_region_char(uint8_t c);
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60 void eeprom_init(eeprom_state *state, uint8_t *buffer, uint32_t size);
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61
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62 #endif //ROMDB_H_