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122 lines
3.4 KiB
C
122 lines
3.4 KiB
C
#ifndef GUARD_SAVE_H
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#define GUARD_SAVE_H
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#include "global.h"
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#define NUM_SECTORS 32 // defined in agb_flash but not in a header
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#define SAVE_STATUS_EMPTY 0
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#define SAVE_STATUS_OK 1
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#define SAVE_STATUS_INVALID 2
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#define SAVE_STATUS_NO_FLASH 4
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#define SAVE_STATUS_ERROR 0xFF
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enum
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{
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SAVE_NORMAL,
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SAVE_LINK,
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SAVE_EREADER,
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SAVE_HALL_OF_FAME,
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SAVE_OVERWRITE_DIFFERENT_FILE,
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SAVE_HALL_OF_FAME_ERASE_BEFORE, // unused
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};
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struct SaveBlockChunk
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{
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u8 *data;
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u16 size;
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};
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struct SaveSection
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{
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u8 data[0xFF4];
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u16 id;
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u16 checksum;
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u32 signature;
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u32 counter;
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}; // size is 0x1000
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// headless save section?
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struct UnkSaveSection
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{
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u8 data[0xFF4];
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u32 signature;
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}; // size is 0xFF8
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struct SaveSectionOffsets
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{
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u16 toAdd;
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u16 size;
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};
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// Emerald changes this definition to be the sectors per slot.
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#define NUM_SECTORS_PER_SAVE_SLOT 14 // Number of sectors occupied by a save slot
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#define UNKNOWN_CHECK_VALUE 0x8012025
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#define SECTOR_SAVE1(n) (n)
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#define SECTOR_SAVE2(n) ((n) + NUM_SECTORS_PER_SAVE_SLOT)
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#define SECTOR_HOF(n) ((n) + 2 * NUM_SECTORS_PER_SAVE_SLOT)
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#define SECTOR_TTOWER(n) ((n) + 2 * NUM_SECTORS_PER_SAVE_SLOT + 2)
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// SetSectorDamagedStatus states
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enum
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{
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ENABLE,
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DISABLE,
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CHECK // unused
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};
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extern u16 gFirstSaveSector;
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extern u32 gPrevSaveCounter;
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extern u16 gLastKnownGoodSector;
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extern u32 gDamagedSaveSectors;
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extern u32 gSaveCounter;
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extern struct SaveSection *gFastSaveSection; // the pointer is in fast IWRAM but may sometimes point to the slower EWRAM.
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extern u16 gUnknown_3005398;
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extern u16 gSaveUnusedVar;
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extern u16 gSaveFileStatus;
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extern void (*gGameContinueCallback)(void);
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extern struct SaveBlockChunk gRamSaveSectionLocations[0xE];
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extern u16 gSaveSucceeded;
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extern struct SaveSection gSaveDataBuffer;
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void ClearSaveData(void);
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void Save_ResetSaveCounters(void);
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bool32 SetSectorDamagedStatus(u8 op, u8 bit);
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u8 save_write_to_flash(u16 a1, const struct SaveBlockChunk *location);
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u8 HandleWriteSector(u16 a1, const struct SaveBlockChunk *location);
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u8 HandleWriteSectorNBytes(u8 sector, u8 *data, u16 size);
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u8 TryWriteSector(u8 sector, u8 *data);
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u32 RestoreSaveBackupVarsAndIncrement(const struct SaveBlockChunk *location);
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u32 RestoreSaveBackupVars(const struct SaveBlockChunk *location);
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u8 sub_80D9AA4(u16 a1, const struct SaveBlockChunk *location);
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u8 sub_80D9B04(u16 a1, const struct SaveBlockChunk *location);
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u8 ClearSaveData_2(u16 a1, const struct SaveBlockChunk *location);
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u8 sav12_xor_get(u16 a1, const struct SaveBlockChunk *location);
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u8 sub_80D9D88(u16 a1, const struct SaveBlockChunk *location);
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u8 sub_80D9E14(u16 a1, const struct SaveBlockChunk *location);
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u8 sub_80D9E54(u16 a1, const struct SaveBlockChunk *location);
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u8 GetSaveValidStatus(const struct SaveBlockChunk *location);
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u8 sub_80DA120(u8 a1, u8 *data, u16 size);
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u8 DoReadFlashWholeSection(u8 sector, struct SaveSection *section);
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u16 CalculateChecksum(void *data, u16 size);
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void UpdateSaveAddresses(void);
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u8 HandleSavingData(u8 saveType);
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u8 TrySavingData(u8 saveType);
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u8 sub_80DA3AC(void);
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bool8 sub_80DA3D8(void);
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u8 sub_80DA40C(void);
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u8 sub_80DA434(void);
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u8 sub_80DA45C(void);
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bool8 sub_80DA4A0(void);
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u8 Save_LoadGameData(u8 saveType);
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u32 TryCopySpecialSaveSection(u8 sector, u8* dst);
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u32 sub_8153634(u8 sector, u8* src);
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void sub_8153688(u8 taskId);
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u32 TryWriteSpecialSaveSection(u8 sector, u8* src);
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void sub_80DA634(u8 taskId);
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#endif // GUARD_SAVE_H
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