diff options
| -rw-r--r-- | src/save.c | 425 |
1 files changed, 230 insertions, 195 deletions
diff --git a/src/save.c b/src/save.c index 9d70bfffd..b5934e231 100644 --- a/src/save.c +++ b/src/save.c @@ -1,58 +1,83 @@ #include "global.h" +#include "gba/flash_internal.h" #include "gba/gba.h" #include "save.h" #include "asm.h" -#include "gba/flash_internal.h" #include "load_save.h" #include "rom4.h" #include "save_failed_screen.h" -extern struct SaveSection unk_2000000; - -extern u32 gUnknown_02039284; - -extern u16 gUnknown_03005E9C; -extern u32 gUnknown_03005EA0; -extern u16 gUnknown_03005EA4; -extern u32 gUnknown_03005EA8; -extern u32 gUnknown_03005EAC; -extern struct SaveSection *gUnknown_03005EB0; +extern u32 gLastSaveSectorStatus; // used but in an unferenced function, so unused +extern u16 gLastWrittenSector; +extern u32 gLastSaveCounter; +extern u16 gLastKnownGoodSector; +extern u32 gDamagedSaveSectors; +extern u32 gSaveCounter; +extern struct SaveSection unk_2000000; // slow save RAM +extern struct SaveSection *gFastSaveSection; // the pointer is in fast IWRAM but may sometimes point to the slower EWRAM. extern u16 gUnknown_03005EB4; extern u16 gSaveFileStatus; -extern u32 gUnknown_03005EBC; +extern u32 gGameContinueCallback; -extern struct SaveSectionLocation gSaveSectionLocations[]; -extern struct SaveSectionLocation gHallOfFameSaveSectionLocations[]; -extern u8 gUnknown_08401E24[]; +extern struct PokemonStorage gPokemonStorage; +extern struct HallOfFame gHallOfFame; + +const struct SaveSectionLocation gSaveSectionLocations[] = +{ + {((u8 *) &gSaveBlock2), 0x890}, + {((u8 *) &gSaveBlock1) + 0xF80 * 0, 0xF80}, + {((u8 *) &gSaveBlock1) + 0xF80 * 1, 0xF80}, + {((u8 *) &gSaveBlock1) + 0xF80 * 2, 0xF80}, + {((u8 *) &gSaveBlock1) + 0xF80 * 3, 0xC40}, + {((u8 *) &gPokemonStorage) + 0xF80 * 0, 0xF80}, + {((u8 *) &gPokemonStorage) + 0xF80 * 1, 0xF80}, + {((u8 *) &gPokemonStorage) + 0xF80 * 2, 0xF80}, + {((u8 *) &gPokemonStorage) + 0xF80 * 3, 0xF80}, + {((u8 *) &gPokemonStorage) + 0xF80 * 4, 0xF80}, + {((u8 *) &gPokemonStorage) + 0xF80 * 5, 0xF80}, + {((u8 *) &gPokemonStorage) + 0xF80 * 6, 0xF80}, + {((u8 *) &gPokemonStorage) + 0xF80 * 7, 0xF80}, + {((u8 *) &gPokemonStorage) + 0xF80 * 8, 0x7D0} +}; + +const struct SaveSectionLocation gHallOfFameSaveSectionLocations[] = +{ + {((u8 *) &gHallOfFame) + 0xF80 * 0, 0xF80}, + {((u8 *) &gHallOfFame) + 0xF80 * 1, 0xF80} +}; + +const u8 gFlashSectors[] = { 0x1E, 0x1F }; void ClearSaveData(void) { u16 i; - for (i = 0; i < 32; i++) + + for (i = 0; i < NUM_SECTORS; i++) EraseFlashSector(i); } -void sub_81251B8(void) +// ResetSaveCounters +void ResetSaveCounters(void) { - gUnknown_03005EAC = 0; - gUnknown_03005E9C = 0; - gUnknown_03005EA8 = 0; + gSaveCounter = 0; + gLastWrittenSector = 0; + gDamagedSaveSectors = 0; } -bool32 sub_81251D4(u8 op, u8 bit) +bool32 SetDamagedSectorBits(u8 op, u8 bit) { bool32 retVal = FALSE; switch (op) { - case 0: - gUnknown_03005EA8 |= 1 << bit; + case ENABLE: + gDamagedSaveSectors |= (1 << bit); break; - case 1: - gUnknown_03005EA8 &= ~(1 << bit); + case DISABLE: + gDamagedSaveSectors &= ~(1 << bit); break; - case 2: - if (gUnknown_03005EA8 & (1 << bit)) + case CHECK: // unused + if (gDamagedSaveSectors & (1 << bit)) retVal = TRUE; break; } @@ -60,67 +85,70 @@ bool32 sub_81251D4(u8 op, u8 bit) return retVal; } -u8 save_write_to_flash(u16 a1, struct SaveSectionLocation *a2) +u8 save_write_to_flash(u16 a1, const struct SaveSectionLocation *location) { u32 retVal; u16 i; - gUnknown_03005EB0 = &unk_2000000; + gFastSaveSection = &unk_2000000; - if (a1 != 0xFFFF) + if (a1 != 0xFFFF) // for link { - retVal = sub_81252D8(a1, a2); + retVal = HandleWriteSector(a1, location); } else { - gUnknown_03005EA4 = gUnknown_03005E9C; - gUnknown_03005EA0 = gUnknown_03005EAC; - gUnknown_03005E9C++; - gUnknown_03005E9C = gUnknown_03005E9C % 14; - gUnknown_03005EAC++; + gLastKnownGoodSector = gLastWrittenSector; // backup the current written sector before attempting to write. + gLastSaveCounter = gSaveCounter; + gLastWrittenSector++; + gLastWrittenSector = gLastWrittenSector % 14; + gSaveCounter++; retVal = 1; + for (i = 0; i < 14; i++) - sub_81252D8(i, a2); - if (gUnknown_03005EA8) + HandleWriteSector(i, location); + + if (gDamagedSaveSectors != 0) // skip the damaged sector. { retVal = 0xFF; - gUnknown_03005E9C = gUnknown_03005EA4; - gUnknown_03005EAC = gUnknown_03005EA0; + gLastWrittenSector = gLastKnownGoodSector; + gSaveCounter = gLastSaveCounter; } } return retVal; } -u8 sub_81252D8(u16 a1, struct SaveSectionLocation *a2) +u8 HandleWriteSector(u16 a1, const struct SaveSectionLocation *location) { u16 i; u16 sector; u8 *data; u16 size; - sector = a1 + gUnknown_03005E9C; + sector = a1 + gLastWrittenSector; sector %= 14; - sector += 14 * (gUnknown_03005EAC % 2); + sector += 14 * (gSaveCounter % 2); - data = a2[a1].data; - size = a2[a1].size; + data = location[a1].data; + size = location[a1].size; + // clear save section. for (i = 0; i < sizeof(struct SaveSection); i++) - ((char *)gUnknown_03005EB0)[i] = 0; + ((char *)gFastSaveSection)[i] = 0; - gUnknown_03005EB0->id = a1; - gUnknown_03005EB0->unknown = 0x8012025; - gUnknown_03005EB0->counter = gUnknown_03005EAC; + gFastSaveSection->id = a1; + gFastSaveSection->security = UNKNOWN_CHECK_VALUE; + gFastSaveSection->counter = gSaveCounter; for (i = 0; i < size; i++) - gUnknown_03005EB0->data[i] = data[i]; + gFastSaveSection->data[i] = data[i]; - gUnknown_03005EB0->checksum = sub_8125C10(data, size); - return sub_8125440(sector, gUnknown_03005EB0->data); + gFastSaveSection->checksum = CalculateChecksum(data, size); + return TryWriteSector(sector, gFastSaveSection->data); } -u8 sub_81253C8(u8 sector, u8 *data, u16 size) +u8 HandleWriteSectorNBytes(u8 sector, u8 *data, u16 size) { u16 i; struct SaveSection *section = &unk_2000000; @@ -128,66 +156,66 @@ u8 sub_81253C8(u8 sector, u8 *data, u16 size) for (i = 0; i < sizeof(struct SaveSection); i++) ((char *)section)[i] = 0; - section->unknown = 0x8012025; + section->security = UNKNOWN_CHECK_VALUE; for (i = 0; i < size; i++) section->data[i] = data[i]; - section->id = sub_8125C10(data, size); // id instead of checksum? - return sub_8125440(sector, section->data); + section->id = CalculateChecksum(data, size); // though this appears to be incorrect, it might be some sector checksum instead of a whole save checksum and only appears to be relevent to HOF data, if used. + return TryWriteSector(sector, section->data); } -u8 sub_8125440(u8 sector, u8 *data) +u8 TryWriteSector(u8 sector, u8 *data) { - if (ProgramFlashSectorAndVerify(sector, data)) + if (ProgramFlashSectorAndVerify(sector, data) != 0) // is damaged? { - sub_81251D4(0, sector); + SetDamagedSectorBits(ENABLE, sector); // set damaged sector bits. return 0xFF; } else { - sub_81251D4(1, sector); + SetDamagedSectorBits(DISABLE, sector); // unset damaged sector bits. it's safe now. return 1; } } -u32 sub_812546C(struct SaveSectionLocation *a1) +u32 RestoreSaveBackupVarsAndIncrement(const struct SaveSectionLocation *location) // location is unused { - gUnknown_03005EB0 = &unk_2000000; - gUnknown_03005EA4 = gUnknown_03005E9C; - gUnknown_03005EA0 = gUnknown_03005EAC; - gUnknown_03005E9C++; - gUnknown_03005E9C = gUnknown_03005E9C % 14; - gUnknown_03005EAC++; + gFastSaveSection = &unk_2000000; + gLastKnownGoodSector = gLastWrittenSector; + gLastSaveCounter = gSaveCounter; + gLastWrittenSector++; + gLastWrittenSector = gLastWrittenSector % 14; + gSaveCounter++; gUnknown_03005EB4 = 0; - gUnknown_03005EA8 = 0; + gDamagedSaveSectors = 0; return 0; } -u32 sub_81254C8(struct SaveSectionLocation *a1) +u32 RestoreSaveBackupVars(const struct SaveSectionLocation *location) // only ever called once, and gSaveBlock2 is passed to this function. location is unused { - gUnknown_03005EB0 = &unk_2000000; - gUnknown_03005EA4 = gUnknown_03005E9C; - gUnknown_03005EA0 = gUnknown_03005EAC; + gFastSaveSection = &unk_2000000; + gLastKnownGoodSector = gLastWrittenSector; + gLastSaveCounter = gSaveCounter; gUnknown_03005EB4 = 0; - gUnknown_03005EA8 = 0; + gDamagedSaveSectors = 0; return 0; } -u8 sub_812550C(u16 a1, struct SaveSectionLocation *a2) +u8 sub_812550C(u16 a1, const struct SaveSectionLocation *location) { u8 retVal; if (gUnknown_03005EB4 < a1 - 1) { retVal = 1; - sub_81252D8(gUnknown_03005EB4, a2); + HandleWriteSector(gUnknown_03005EB4, location); gUnknown_03005EB4++; - if (gUnknown_03005EA8) + if (gDamagedSaveSectors) { retVal = 0xFF; - gUnknown_03005E9C = gUnknown_03005EA4; - gUnknown_03005EAC = gUnknown_03005EA0; + gLastWrittenSector = gLastKnownGoodSector; + gSaveCounter = gLastSaveCounter; } } else @@ -198,20 +226,22 @@ u8 sub_812550C(u16 a1, struct SaveSectionLocation *a2) return retVal; } -u8 sub_812556C(u16 a1, struct SaveSectionLocation *a2) +u8 sub_812556C(u16 a1, const struct SaveSectionLocation *location) { u8 retVal = 1; - sub_81255B8(a1 - 1, a2); - if (gUnknown_03005EA8) + + sub_81255B8(a1 - 1, location); + + if (gDamagedSaveSectors) { retVal = 0xFF; - gUnknown_03005E9C = gUnknown_03005EA4; - gUnknown_03005EAC = gUnknown_03005EA0; + gLastWrittenSector = gLastKnownGoodSector; + gSaveCounter = gLastSaveCounter; } return retVal; } -u8 sub_81255B8(u16 a1, struct SaveSectionLocation *a2) +u8 sub_81255B8(u16 a1, const struct SaveSectionLocation *location) { u16 i; u16 sector; @@ -219,32 +249,35 @@ u8 sub_81255B8(u16 a1, struct SaveSectionLocation *a2) u16 size; u8 status; - sector = a1 + gUnknown_03005E9C; + sector = a1 + gLastWrittenSector; sector %= 14; - sector += 14 * (gUnknown_03005EAC % 2); + sector += 14 * (gSaveCounter % 2); - data = a2[a1].data; - size = a2[a1].size; + data = location[a1].data; + size = location[a1].size; + // clear temp save section. for (i = 0; i < sizeof(struct SaveSection); i++) - ((char *)gUnknown_03005EB0)[i] = 0; + ((char *)gFastSaveSection)[i] = 0; - gUnknown_03005EB0->id = a1; - gUnknown_03005EB0->unknown = 0x8012025; - gUnknown_03005EB0->counter = gUnknown_03005EAC; + gFastSaveSection->id = a1; + gFastSaveSection->security = UNKNOWN_CHECK_VALUE; + gFastSaveSection->counter = gSaveCounter; + // set temp section's data. for (i = 0; i < size; i++) - gUnknown_03005EB0->data[i] = data[i]; + gFastSaveSection->data[i] = data[i]; - gUnknown_03005EB0->checksum = sub_8125C10(data, size); + // calculate checksum. + gFastSaveSection->checksum = CalculateChecksum(data, size); EraseFlashSector(sector); status = 1; - for (i = 0; i < 0xFF8; i++) + for (i = 0; i < sizeof(struct UnkSaveSection); i++) { - if (ProgramFlashByte(sector, i, ((u8 *)gUnknown_03005EB0)[i])) + if (ProgramFlashByte(sector, i, ((u8 *)gFastSaveSection)[i])) { status = 0xFF; break; @@ -253,7 +286,7 @@ u8 sub_81255B8(u16 a1, struct SaveSectionLocation *a2) if (status == 0xFF) { - sub_81251D4(0, sector); + SetDamagedSectorBits(ENABLE, sector); return 0xFF; } else @@ -262,7 +295,7 @@ u8 sub_81255B8(u16 a1, struct SaveSectionLocation *a2) for (i = 0; i < 7; i++) { - if (ProgramFlashByte(sector, 0xFF9 + i, ((u8 *)gUnknown_03005EB0)[0xFF9 + i])) + if (ProgramFlashByte(sector, 0xFF9 + i, ((u8 *)gFastSaveSection)[0xFF9 + i])) { status = 0xFF; break; @@ -271,105 +304,107 @@ u8 sub_81255B8(u16 a1, struct SaveSectionLocation *a2) if (status == 0xFF) { - sub_81251D4(0, sector); + SetDamagedSectorBits(ENABLE, sector); return 0xFF; } else { - sub_81251D4(1, sector); + SetDamagedSectorBits(DISABLE, sector); return 1; } } } -u8 sub_8125758(u16 a1, struct SaveSectionLocation *a2) +u8 sub_8125758(u16 a1, const struct SaveSectionLocation *location) { u16 sector; - sector = a1 + gUnknown_03005E9C - 1; + sector = a1 + gLastWrittenSector - 1; sector %= 14; - sector += 14 * (gUnknown_03005EAC % 2); + sector += 14 * (gSaveCounter % 2); - if (ProgramFlashByte(sector, 0xFF8, ((u8 *)gUnknown_03005EB0)[0xFF8])) + if (ProgramFlashByte(sector, sizeof(struct UnkSaveSection), ((u8 *)gFastSaveSection)[sizeof(struct UnkSaveSection)])) { - sub_81251D4(0, sector); - gUnknown_03005E9C = gUnknown_03005EA4; - gUnknown_03005EAC = gUnknown_03005EA0; + // sector is damaged, so enable the bit in gDamagedSaveSectors and restore the last written sector and save counter. + SetDamagedSectorBits(ENABLE, sector); + gLastWrittenSector = gLastKnownGoodSector; + gSaveCounter = gLastSaveCounter; return 0xFF; } else { - sub_81251D4(1u, sector); + SetDamagedSectorBits(DISABLE, sector); return 1; } } -u8 sub_81257F0(u16 a1, struct SaveSectionLocation *a2) +u8 sub_81257F0(u16 a1, const struct SaveSectionLocation *location) { u16 sector; - sector = a1 + gUnknown_03005E9C - 1; + sector = a1 + gLastWrittenSector - 1; sector %= 14; - sector += 14 * (gUnknown_03005EAC % 2); + sector += 14 * (gSaveCounter % 2); - if (ProgramFlashByte(sector, 0xFF8, 0x25)) + if (ProgramFlashByte(sector, sizeof(struct UnkSaveSection), 0x25)) { - sub_81251D4(0, sector); - gUnknown_03005E9C = gUnknown_03005EA4; - gUnknown_03005EAC = gUnknown_03005EA0; + // sector is damaged, so enable the bit in gDamagedSaveSectors and restore the last written sector and save counter. + SetDamagedSectorBits(ENABLE, sector); + gLastWrittenSector = gLastKnownGoodSector; + gSaveCounter = gLastSaveCounter; return 0xFF; } else { - sub_81251D4(1u, sector); + SetDamagedSectorBits(DISABLE, sector); return 1; } } -u8 sub_812587C(u16 a1, struct SaveSectionLocation *a2) +u8 sub_812587C(u16 a1, const struct SaveSectionLocation *location) { u8 retVal; - gUnknown_03005EB0 = &unk_2000000; + gFastSaveSection = &unk_2000000; if (a1 != 0xFFFF) { retVal = 0xFF; } else { - retVal = sub_8125974(a2); - sub_81258BC(0xFFFF, a2); + retVal = sub_8125974(location); + sub_81258BC(0xFFFF, location); } return retVal; } -u8 sub_81258BC(u16 a1, struct SaveSectionLocation *a2) +u8 sub_81258BC(u16 a1, const struct SaveSectionLocation *location) { u16 i; u16 checksum; - u16 v3 = 14 * (gUnknown_03005EAC % 2); + u16 v3 = 14 * (gSaveCounter % 2); u16 id; for (i = 0; i < 14; i++) { - sub_8125BF8(i + v3, gUnknown_03005EB0); - id = gUnknown_03005EB0->id; + sub_8125BF8(i + v3, gFastSaveSection); + id = gFastSaveSection->id; if (id == 0) - gUnknown_03005E9C = i; - checksum = sub_8125C10(gUnknown_03005EB0->data, a2[id].size); - if (gUnknown_03005EB0->unknown == 0x8012025 - && gUnknown_03005EB0->checksum == checksum) + gLastWrittenSector = i; + checksum = CalculateChecksum(gFastSaveSection->data, location[id].size); + if (gFastSaveSection->security == UNKNOWN_CHECK_VALUE + && gFastSaveSection->checksum == checksum) { u16 j; - for (j = 0; j < a2[id].size; j++) - ((u8 *)a2[id].data)[j] = gUnknown_03005EB0->data[j]; + for (j = 0; j < location[id].size; j++) + ((u8 *)location[id].data)[j] = gFastSaveSection->data[j]; } } return 1; } -u8 sub_8125974(struct SaveSectionLocation *a1) +u8 sub_8125974(const struct SaveSectionLocation *location) { u16 i; u16 checksum; @@ -385,15 +420,15 @@ u8 sub_8125974(struct SaveSectionLocation *a1) for (i = 0; i < 14; i++) { - sub_8125BF8(i, gUnknown_03005EB0); - if (gUnknown_03005EB0->unknown == 0x8012025) + sub_8125BF8(i, gFastSaveSection); + if (gFastSaveSection->security == UNKNOWN_CHECK_VALUE) { v5 = TRUE; - checksum = sub_8125C10(gUnknown_03005EB0->data, a1[gUnknown_03005EB0->id].size); - if (gUnknown_03005EB0->checksum == checksum) + checksum = CalculateChecksum(gFastSaveSection->data, location[gFastSaveSection->id].size); + if (gFastSaveSection->checksum == checksum) { - v2 = gUnknown_03005EB0->counter; - v4 |= 1 << gUnknown_03005EB0->id; + v2 = gFastSaveSection->counter; + v4 |= 1 << gFastSaveSection->id; } } } @@ -415,15 +450,15 @@ u8 sub_8125974(struct SaveSectionLocation *a1) for (i = 0; i < 14; i++) { - sub_8125BF8(i + 14, gUnknown_03005EB0); - if (gUnknown_03005EB0->unknown == 0x8012025) + sub_8125BF8(i + 14, gFastSaveSection); + if (gFastSaveSection->security == UNKNOWN_CHECK_VALUE) { v5 = TRUE; - checksum = sub_8125C10(gUnknown_03005EB0->data, a1[gUnknown_03005EB0->id].size); - if (gUnknown_03005EB0->checksum == checksum) + checksum = CalculateChecksum(gFastSaveSection->data, location[gFastSaveSection->id].size); + if (gFastSaveSection->checksum == checksum) { - v3 = gUnknown_03005EB0->counter; - v4 |= 1 << gUnknown_03005EB0->id; + v3 = gFastSaveSection->counter; + v4 |= 1 << gFastSaveSection->id; } } } @@ -446,22 +481,22 @@ u8 sub_8125974(struct SaveSectionLocation *a1) { if ((unsigned)(v2 + 1) < (unsigned)(v3 + 1)) { - gUnknown_03005EAC = v3; + gSaveCounter = v3; } else { - gUnknown_03005EAC = v2; + gSaveCounter = v2; } } else { if (v2 < v3) { - gUnknown_03005EAC = v3; + gSaveCounter = v3; } else { - gUnknown_03005EAC = v2; + gSaveCounter = v2; } } return 1; @@ -469,7 +504,7 @@ u8 sub_8125974(struct SaveSectionLocation *a1) if (v14 == 1) { - gUnknown_03005EAC = v2; + gSaveCounter = v2; if (v10 == 255) return 255; return 1; @@ -477,7 +512,7 @@ u8 sub_8125974(struct SaveSectionLocation *a1) if (v10 == 1) { - gUnknown_03005EAC = v3; + gSaveCounter = v3; if (v14 == 255) return 255; return 1; @@ -485,13 +520,13 @@ u8 sub_8125974(struct SaveSectionLocation *a1) if (v14 == 0 && v10 == 0) { - gUnknown_03005EAC = 0; - gUnknown_03005E9C = 0; + gSaveCounter = 0; + gLastWrittenSector = 0; return 0; } - gUnknown_03005EAC = 0; - gUnknown_03005E9C = 0; + gSaveCounter = 0; + gLastWrittenSector = 0; return 2; } @@ -500,9 +535,9 @@ u8 sub_8125B88(u8 a1, u8 *data, u16 size) u16 i; struct SaveSection *section = &unk_2000000; sub_8125BF8(a1, section); - if (section->unknown == 0x8012025) + if (section->security == UNKNOWN_CHECK_VALUE) { - u16 checksum = sub_8125C10(section->data, size); + u16 checksum = CalculateChecksum(section->data, size); if (section->id == checksum) { for (i = 0; i < size; i++) @@ -522,11 +557,11 @@ u8 sub_8125B88(u8 a1, u8 *data, u16 size) u8 sub_8125BF8(u8 sector, struct SaveSection *section) { - ReadFlash(sector, 0, section->data, 0x1000); + ReadFlash(sector, 0, section->data, sizeof(struct SaveSection)); return 1; } -u16 sub_8125C10(void *data, u16 size) +u16 CalculateChecksum(void *data, u16 size) { u16 i; u32 checksum = 0; @@ -537,37 +572,37 @@ u16 sub_8125C10(void *data, u16 size) return ((checksum >> 16) + checksum); } -u8 sub_8125C3C(u8 a1) +u8 HandleSavingData(u8 saveType) { u8 i; - switch (a1) + switch (saveType) { - case 5: + case HOF_DELETE_SAVE: // deletes save before HOF case. unused for (i = 28; i < 32; i++) EraseFlashSector(i); - case 3: + case HOF_SAVE: // hall of fame. if (GetGameStat(10) < 999) IncrementGameStat(10); for (i = 0; i < 2; i++) - sub_81253C8(28 + i, gHallOfFameSaveSectionLocations[i].data, gHallOfFameSaveSectionLocations[i].size); + HandleWriteSectorNBytes(28 + i, gHallOfFameSaveSectionLocations[i].data, gHallOfFameSaveSectionLocations[i].size); SaveSerializedGame(); save_write_to_flash(0xFFFF, gSaveSectionLocations); break; - case 0: + case NORMAL_SAVE: // normal save. default: SaveSerializedGame(); save_write_to_flash(0xFFFF, gSaveSectionLocations); break; - case 1: + case LINK_SAVE: // link save. update only the pokemon, i think. SaveSerializedGame(); for (i = 0; i < 5; i++) save_write_to_flash(i, gSaveSectionLocations); break; - case 2: + case EREADER_SAVE: // used in mossdeep "game corner" before/after battling old man e-reader trainer SaveSerializedGame(); save_write_to_flash(0, gSaveSectionLocations); break; - case 4: + case DIFFERENT_FILE_SAVE: // there is a different file, so erase the file and overwrite it completely. for (i = 28; i < 32; i++) EraseFlashSector(i); SaveSerializedGame(); @@ -577,49 +612,49 @@ u8 sub_8125C3C(u8 a1) return 0; } -u8 sub_8125D44(u8 a1) +u8 TrySavingData(u8 saveType) // TrySave { if (gFlashMemoryPresent != TRUE) return 0xFF; - sub_8125C3C(a1); - if (!gUnknown_03005EA8) + HandleSavingData(saveType); + if (!gDamagedSaveSectors) return 1; - DoSaveFailedScreen(a1); + DoSaveFailedScreen(saveType); return 0xFF; } -u8 sub_8125D80(void) +u8 sub_8125D80(void) // trade.s save { if (gFlashMemoryPresent != TRUE) return 1; SaveSerializedGame(); - sub_812546C(gSaveSectionLocations); + RestoreSaveBackupVarsAndIncrement(gSaveSectionLocations); return 0; } -bool8 sub_8125DA8(void) +bool8 sub_8125DA8(void) // trade.s save { - u8 v0 = sub_812550C(14, gSaveSectionLocations); - if (gUnknown_03005EA8) + u8 retVal = sub_812550C(14, gSaveSectionLocations); + if (gDamagedSaveSectors) DoSaveFailedScreen(0); - if (v0 == 0xFF) + if (retVal == 0xFF) return 1; else return 0; } -u8 sub_8125DDC(void) +u8 sub_8125DDC(void) // trade.s save { sub_812556C(14, gSaveSectionLocations); - if (gUnknown_03005EA8) + if (gDamagedSaveSectors) DoSaveFailedScreen(0); return 0; } -u8 sub_8125E04(void) +u8 sub_8125E04(void) // trade.s save { sub_8125758(14, gSaveSectionLocations); - if (gUnknown_03005EA8) + if (gDamagedSaveSectors) DoSaveFailedScreen(0); return 0; } @@ -630,7 +665,7 @@ u8 sub_8125E2C(void) return 1; SaveSerializedGame(); - sub_81254C8(gSaveSectionLocations); + RestoreSaveBackupVars(gSaveSectionLocations); sub_812556C(gUnknown_03005EB4 + 1, gSaveSectionLocations); return 0; } @@ -649,7 +684,7 @@ u8 sub_8125E6C(void) sub_81257F0(val, gSaveSectionLocations); retVal = 1; } - if (gUnknown_03005EA8) + if (gDamagedSaveSectors) DoSaveFailedScreen(1); return retVal; } @@ -671,7 +706,7 @@ u8 sub_8125EC8(u8 a1) result = sub_812587C(0xFFFF, gSaveSectionLocations); LoadSerializedGame(); gSaveFileStatus = result; - gUnknown_03005EBC = 0; + gGameContinueCallback = 0; break; case 3: result = sub_8125B88(28, gHallOfFameSaveSectionLocations[0].data, gHallOfFameSaveSectionLocations[0].size); @@ -688,12 +723,12 @@ bool8 unref_sub_8125F4C(struct UnkSaveSection *a1) u16 i; char *raw = (char *)a1; - for (i = 0; i < 0x1000; i++) + for (i = 0; i < sizeof(struct SaveSection); i++) raw[i] = 0; - ReadFlash(gUnknown_08401E24[0], 0, a1->data, 4096); + ReadFlash(gFlashSectors[0], 0, a1->data, 4096); - if (a1->unknown != 0x8012025) + if (a1->security != UNKNOWN_CHECK_VALUE) return FALSE; return TRUE; @@ -702,10 +737,10 @@ bool8 unref_sub_8125F4C(struct UnkSaveSection *a1) u8 unref_sub_8125FA0(void) { u16 i; - u8 v0 = sub_8125D44(0); + u8 v0 = TrySavingData(0); for (i = 0; i < 2; i++) - EraseFlashSector(gUnknown_08401E24[i]); + EraseFlashSector(gFlashSectors[i]); if (v0 == 255) { @@ -727,25 +762,25 @@ u8 unref_sub_8125FF0(u8 *data, u16 size) u16 i; struct UnkSaveSection *section = (struct UnkSaveSection *)&unk_2000000; - for (i = 0; i < 0x1000; i++) + for (i = 0; i < sizeof(struct SaveSection); i++) ((char *)section)[i] = 0; - section->unknown = 0x8012025; + section->security = UNKNOWN_CHECK_VALUE; for (i = 0; i < size; i++) section->data[i] = data[i]; - gUnknown_02039284 = ProgramFlashSectorAndVerifyNBytes(gUnknown_08401E24[0], (u8 *)section, 0x1000); + gLastSaveSectorStatus = ProgramFlashSectorAndVerifyNBytes(gFlashSectors[0], (u8 *)section, sizeof(struct SaveSection)); - if (gUnknown_02039284) - return 255; + if (gLastSaveSectorStatus) + return 0xFF; else return 1; } u8 unref_sub_8126068(u8 sector, u8 *data, u32 size) { - if (ProgramFlashSectorAndVerify(sector, data, size)) + if (ProgramFlashSectorAndVerify(sector, data)) return 255; else return 1; @@ -753,6 +788,6 @@ u8 unref_sub_8126068(u8 sector, u8 *data, u32 size) u8 unref_sub_8126080(u8 sector, u8 *data) { - ReadFlash(sector, 0, data, 0x1000); + ReadFlash(sector, 0, data, sizeof(struct SaveSection)); return 1; } |