1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
|
#ifndef GUARD_SAVE_H
#define GUARD_SAVE_H
#include "global.h"
#define NUM_SECTORS 32 // defined in agb_flash but not in a header
#define SAVE_STATUS_EMPTY 0
#define SAVE_STATUS_OK 1
#define SAVE_STATUS_INVALID 2
#define SAVE_STATUS_NO_FLASH 4
#define SAVE_STATUS_ERROR 0xFF
enum
{
SAVE_NORMAL,
SAVE_LINK,
SAVE_EREADER,
SAVE_HALL_OF_FAME,
SAVE_OVERWRITE_DIFFERENT_FILE,
SAVE_HALL_OF_FAME_ERASE_BEFORE, // unused
};
struct SaveBlockChunk
{
u8 *data;
u16 size;
};
struct SaveSection
{
u8 data[0xFF4];
u16 id;
u16 checksum;
u32 signature;
u32 counter;
}; // size is 0x1000
// headless save section?
struct UnkSaveSection
{
u8 data[0xFF4];
u32 signature;
}; // size is 0xFF8
struct SaveSectionOffsets
{
u16 toAdd;
u16 size;
};
// Emerald changes this definition to be the sectors per slot.
#define NUM_SECTORS_PER_SAVE_SLOT 14 // Number of sectors occupied by a save slot
#define UNKNOWN_CHECK_VALUE 0x8012025
#define SECTOR_SAVE1(n) (n)
#define SECTOR_SAVE2(n) ((n) + NUM_SECTORS_PER_SAVE_SLOT)
#define SECTOR_HOF(n) ((n) + 2 * NUM_SECTORS_PER_SAVE_SLOT)
#define SECTOR_TTOWER(n) ((n) + 2 * NUM_SECTORS_PER_SAVE_SLOT + 2)
// SetSectorDamagedStatus states
enum
{
ENABLE,
DISABLE,
CHECK // unused
};
extern u16 gFirstSaveSector;
extern u32 gPrevSaveCounter;
extern u16 gLastKnownGoodSector;
extern u32 gDamagedSaveSectors;
extern u32 gSaveCounter;
extern struct SaveSection *gFastSaveSection; // the pointer is in fast IWRAM but may sometimes point to the slower EWRAM.
extern u16 gUnknown_3005398;
extern u16 gSaveUnusedVar;
extern u16 gSaveFileStatus;
extern void (*gGameContinueCallback)(void);
extern struct SaveBlockChunk gRamSaveSectionLocations[0xE];
extern u16 gSaveSucceeded;
extern struct SaveSection gSaveDataBuffer;
void ClearSaveData(void);
void Save_ResetSaveCounters(void);
bool32 SetSectorDamagedStatus(u8 op, u8 bit);
u8 save_write_to_flash(u16 a1, const struct SaveBlockChunk *location);
u8 HandleWriteSector(u16 a1, const struct SaveBlockChunk *location);
u8 HandleWriteSectorNBytes(u8 sector, u8 *data, u16 size);
u8 TryWriteSector(u8 sector, u8 *data);
u32 RestoreSaveBackupVarsAndIncrement(const struct SaveBlockChunk *location);
u32 RestoreSaveBackupVars(const struct SaveBlockChunk *location);
u8 sub_80D9AA4(u16 a1, const struct SaveBlockChunk *location);
u8 sub_80D9B04(u16 a1, const struct SaveBlockChunk *location);
u8 ClearSaveData_2(u16 a1, const struct SaveBlockChunk *location);
u8 sav12_xor_get(u16 a1, const struct SaveBlockChunk *location);
u8 sub_80D9D88(u16 a1, const struct SaveBlockChunk *location);
u8 sub_80D9E14(u16 a1, const struct SaveBlockChunk *location);
u8 sub_80D9E54(u16 a1, const struct SaveBlockChunk *location);
u8 GetSaveValidStatus(const struct SaveBlockChunk *location);
u8 sub_80DA120(u8 a1, u8 *data, u16 size);
u8 DoReadFlashWholeSection(u8 sector, struct SaveSection *section);
u16 CalculateChecksum(void *data, u16 size);
void UpdateSaveAddresses(void);
u8 HandleSavingData(u8 saveType);
u8 TrySavingData(u8 saveType);
u8 SaveGame_AfterLinkTrade(void);
bool8 AfterLinkTradeSaveFailed(void);
u8 ClearSaveAfterLinkTradeSaveFailure(void);
u8 sub_80DA434(void);
u8 sub_80DA45C(void);
bool8 sub_80DA4A0(void);
u8 Save_LoadGameData(u8 saveType);
u32 TryCopySpecialSaveSection(u8 sector, u8* dst);
u32 TryWriteSpecialSaveSection(u8 sector, u8* src);
void Task_LinkSave(u8 taskId);
#endif // GUARD_SAVE_H
|
