64drive_ll.h

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#ifndef FLASHCART_64DRIVE_LL_H__
#define FLASHCART_64DRIVE_LL_H__
 
 
#include <stdbool.h>
#include <stdint.h>
 
 
typedef struct {
    uint8_t BUFFER[512];
    uint32_t STATUS;
    uint32_t __unused_1;
    uint32_t COMMAND;
    uint32_t __unused_2;
    uint32_t LBA;
    uint32_t __unused_3;
    uint32_t LENGTH;
    uint32_t __unused_4;
    uint32_t RESULT;
 
    uint32_t __unused_5[49];
 
    uint32_t SDRAM_SIZE;
    uint32_t MAGIC;
    uint32_t VARIANT;
    uint32_t PERSISTENT;
    uint32_t BUTTON_UPGRADE;
    uint32_t REVISION;
 
    uint32_t __unused_6[64];
 
    uint32_t USB_COMMAND_STATUS;
    uint32_t USB_PARAM_RESULT[2];
 
    uint32_t __unused_7[5];
 
    uint32_t WIFI_COMMAND_STATUS;
    uint32_t WIFI_PARAM_RESULT[2];
 
    uint32_t __unused_8[757];
 
    uint8_t EEPROM[2048];
    uint32_t WRITEBACK[256];
} d64_regs_t;
 
#define D64_REGS_BASE       (0x18000000UL)
#define D64_REGS_BASE_EXT   (0x1F800000UL)
#define D64_REGS            ((d64_regs_t *) D64_REGS_BASE)
#define D64_REGS_EXT        ((d64_regs_t *) D64_REGS_BASE_EXT)
 
typedef enum {
    DEVICE_VARIANT_UNKNOWN  = 0x0000,
    DEVICE_VARIANT_A        = 0x4100,
    DEVICE_VARIANT_B        = 0x4200,
} d64_device_variant_t;
 
typedef enum {
    TV_TYPE_PAL = 0,
    TV_TYPE_NTSC = 1,
    TV_TYPE_MPAL = 2,
    TV_TYPE_UNKNOWN = 3,
} d64_tv_type_t;
 
typedef enum {
    SAVE_TYPE_NONE,
    SAVE_TYPE_EEPROM_4K,
    SAVE_TYPE_EEPROM_16K,
    SAVE_TYPE_SRAM,
    SAVE_TYPE_FLASHRAM,
    SAVE_TYPE_SRAM_BANKED,
    SAVE_TYPE_FLASHRAM_PKST2,
} d64_save_type_t;
 
 
bool d64_ll_get_version (d64_device_variant_t *device_variant, uint16_t *fpga_revision, uint32_t *bootloader_version);
bool d64_ll_set_persistent_variable_storage (bool quick_reboot, d64_tv_type_t force_tv_type, uint8_t cic_seed);
bool d64_ll_set_save_type (d64_save_type_t save_type);
bool d64_ll_enable_save_writeback (bool enabled);
bool d64_ll_enable_cartrom_writes (bool enabled);
bool d64_ll_enable_extended_mode (bool enabled);
bool d64_ll_write_eeprom_contents (void *contents);
bool d64_ll_write_save_writeback_lba_list (void *list);
 /* 64drive */
 
 
#endif