Mercurial > repos > blastem
view romdb.h @ 1374:8f404b1fa572
Go back to resetting the refresh counter after a DMA. Probably not quite correct as it is probably reset on VDP triggered refresh, but this is close enough for now given the general limitations with my refresh code. VDP FIFO Testing seems to be passing 100% reliably again (was occassionally failing still with the last commit)
author | Michael Pavone <pavone@retrodev.com> |
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date | Tue, 23 May 2017 23:47:40 -0700 |
parents | 2e6dcb5c11a2 |
children | efa7225e0f07 |
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#ifndef ROMDB_H_ #define ROMDB_H_ #define REGION_J 1 #define REGION_U 2 #define REGION_E 4 #define RAM_FLAG_ODD 0x18 #define RAM_FLAG_EVEN 0x10 #define RAM_FLAG_BOTH 0x00 #define RAM_FLAG_MASK RAM_FLAG_ODD #define SAVE_I2C 0x01 #define SAVE_NONE 0xFF #include "tern.h" typedef struct { uint32_t start; uint32_t end; uint16_t sda_write_mask; uint16_t scl_mask; uint8_t sda_read_bit; } eeprom_map; typedef struct { char *buffer; uint32_t size; uint16_t address; uint8_t host_sda; uint8_t slave_sda; uint8_t scl; uint8_t state; uint8_t counter; uint8_t latch; } eeprom_state; typedef struct rom_info rom_info; #include "backend.h" struct rom_info { char *name; memmap_chunk *map; uint8_t *save_buffer; eeprom_map *eeprom_map; char *port1_override; char *port2_override; char *ext_override; char *mouse_mode; uint32_t num_eeprom; uint32_t map_chunks; uint32_t save_size; uint32_t save_mask; uint16_t mapper_start_index; uint8_t save_type; uint8_t regions; }; #define GAME_ID_OFF 0x183 #define GAME_ID_LEN 8 tern_node *load_rom_db(); 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); rom_info configure_rom_heuristics(uint8_t *rom, uint32_t rom_size, memmap_chunk const *base_map, uint32_t base_chunks); uint8_t translate_region_char(uint8_t c); void eeprom_init(eeprom_state *state, uint8_t *buffer, uint32_t size); #endif //ROMDB_H_