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authorGriffinR <griffin.g.richards@gmail.com>2022-01-15 13:03:36 -0500
committerGriffinR <griffin.g.richards@gmail.com>2022-01-15 13:03:36 -0500
commitcf41c783708b5b029b1d5fcb3dd9f06ee79fa532 (patch)
treecc9e9fc2aa2a0e3070e73e61a8f5ebc2d5fd397d /berry_fix/payload/src/flash.c
parentf8ab09b4b42b4a28a36a7cae3b545a812db4133d (diff)
Remove berry fix
Diffstat (limited to 'berry_fix/payload/src/flash.c')
-rw-r--r--berry_fix/payload/src/flash.c752
1 files changed, 0 insertions, 752 deletions
diff --git a/berry_fix/payload/src/flash.c b/berry_fix/payload/src/flash.c
deleted file mode 100644
index 1f09d0b8f..000000000
--- a/berry_fix/payload/src/flash.c
+++ /dev/null
@@ -1,752 +0,0 @@
-#include "gba/gba.h"
-#include "gba/flash_internal.h"
-#include "constants/vars.h"
-#include "global.h"
-#include "main.h"
-#include "flash.h"
-#include "rtc.h"
-
-struct SaveBlockChunk
-{
- u8 * data;
- u16 size;
-};
-
-u8 WriteSaveBlockChunks(u16 a0, const struct SaveBlockChunk * a1);
-u8 WriteSingleChunk(u16 a0, const struct SaveBlockChunk * a1);
-u8 TryWriteSector(u8, u8 *);
-u8 EraseCurrentChunk(u16 a0, const struct SaveBlockChunk * a1);
-u8 TryReadAllSaveSectorsCurrentSlot(u16 a0, const struct SaveBlockChunk * a1);
-u8 ReadAllSaveSectorsCurrentSlot(u16 a0, const struct SaveBlockChunk * a1);
-u8 GetSaveValidStatus(const struct SaveBlockChunk * a1);
-u32 DoReadFlashWholeSection(u8 a0, struct SaveSector * a1);
-u16 CalculateChecksum(const void *, u16);
-
-u16 gFirstSaveSector;
-u32 gPrevSaveCounter;
-u16 gLastKnownGoodSector;
-u32 gDamagedSaveSectors;
-u32 gSaveCounter;
-struct SaveSector * gFastSaveSection;
-u16 gCurSaveChunk;
-bool32 gFlashIdentIsValid;
-
-EWRAM_DATA struct SaveBlock2 gSaveBlock2 = {};
-EWRAM_DATA struct SaveBlock1 gSaveBlock1 = {};
-EWRAM_DATA struct PokemonStorage gPokemonStorage = {};
-
-// Each 4 KiB flash sector contains 3968 bytes of actual data followed by a 128 byte footer
-#define SECTOR_DATA_SIZE 3968
-#define SECTOR_FOOTER_SIZE 128
-
-#define SAVEBLOCK_CHUNK(structure, chunkNum) \
-{ \
- (u8 *)&structure + chunkNum * SECTOR_DATA_SIZE, \
- min(sizeof(structure) - chunkNum * SECTOR_DATA_SIZE, SECTOR_DATA_SIZE) \
-} \
-
-static const struct SaveBlockChunk sSaveBlockChunks[] =
-{
- SAVEBLOCK_CHUNK(gSaveBlock2, 0),
-
- SAVEBLOCK_CHUNK(gSaveBlock1, 0),
- SAVEBLOCK_CHUNK(gSaveBlock1, 1),
- SAVEBLOCK_CHUNK(gSaveBlock1, 2),
- SAVEBLOCK_CHUNK(gSaveBlock1, 3),
-
- SAVEBLOCK_CHUNK(gPokemonStorage, 0),
- SAVEBLOCK_CHUNK(gPokemonStorage, 1),
- SAVEBLOCK_CHUNK(gPokemonStorage, 2),
- SAVEBLOCK_CHUNK(gPokemonStorage, 3),
- SAVEBLOCK_CHUNK(gPokemonStorage, 4),
- SAVEBLOCK_CHUNK(gPokemonStorage, 5),
- SAVEBLOCK_CHUNK(gPokemonStorage, 6),
- SAVEBLOCK_CHUNK(gPokemonStorage, 7),
- SAVEBLOCK_CHUNK(gPokemonStorage, 8),
-};
-
-const u16 gInfoMessagesPal[] = INCBIN_U16("graphics/msg_box.gbapal");
-const u8 gInfoMessagesTilemap[] = INCBIN_U8("graphics/msg_box.tilemap.lz");
-const u8 gInfoMessagesGfx[] = INCBIN_U8("graphics/msg_box.4bpp.lz");
-
-bool32 flash_maincb_ident_is_valid(void)
-{
- gFlashIdentIsValid = TRUE;
- if (!IdentifyFlash())
- {
- SetFlashTimerIntr(0, &((IntrFunc *)gIntrFuncPointers)[9]);
- return TRUE;
- }
- gFlashIdentIsValid = FALSE;
- return FALSE;
-}
-
-void Call_ReadFlash(u16 sectorNum, ptrdiff_t offset, void * dest, size_t size)
-{
- ReadFlash(sectorNum, offset, dest, size);
-}
-
-u8 Call_WriteSaveBlockChunks(u16 a0, const struct SaveBlockChunk * a1)
-{
- return WriteSaveBlockChunks(a0, a1);
-}
-
-u8 Call_TryReadAllSaveSectorsCurrentSlot(u16 a0, const struct SaveBlockChunk * a1)
-{
- return TryReadAllSaveSectorsCurrentSlot(a0, a1);
-}
-
-u32 * GetDamagedSaveSectorsPtr(void)
-{
- return &gDamagedSaveSectors;
-}
-
-s32 flash_write_save_block_chunks(u8 a0)
-{
- u8 i;
-
- switch (a0)
- {
- case 0:
- default:
- Call_WriteSaveBlockChunks(0xFFFF, sSaveBlockChunks);
- break;
- case 1:
- for (i = 0; i < 5; i++)
- {
- Call_WriteSaveBlockChunks(i, sSaveBlockChunks);
- }
- break;
- case 2:
- Call_WriteSaveBlockChunks(0, sSaveBlockChunks);
- break;
- }
-
- return 0;
-}
-
-u8 flash_write_save_block_chunks_check_damage(u8 a0)
-{
- flash_write_save_block_chunks(a0);
- if (*GetDamagedSaveSectorsPtr() == 0)
- return 1;
- return 0xFF;
-}
-
-u8 flash_maincb_read_save(u32 unused)
-{
- return Call_TryReadAllSaveSectorsCurrentSlot(0xFFFF, sSaveBlockChunks);
-}
-
-void msg_load_gfx(void)
-{
- REG_DISPCNT = 0;
- REG_BG0HOFS = 0;
- REG_BG0VOFS = 0;
- REG_BLDCNT = 0;
- LZ77UnCompVram(gInfoMessagesGfx, (void *)BG_VRAM);
- LZ77UnCompVram(gInfoMessagesTilemap, (void *)BG_SCREEN_ADDR(28));
- CpuCopy16(gInfoMessagesPal, (void *)BG_PLTT, 0x200);
- REG_BG0CNT = BGCNT_SCREENBASE(28) | BGCNT_TXT512x512;
- REG_DISPCNT = DISPCNT_BG0_ON;
-}
-
-void msg_display(enum MsgBoxUpdateMessage a0)
-{
- switch (a0)
- {
- case MSGBOX_WILL_NOW_UPDATE:
- REG_BG0HOFS = 0;
- REG_BG0VOFS = 0;
- break;
- case MSGBOX_HAS_BEEN_UPDATED:
- REG_BG0HOFS = 0x100;
- REG_BG0VOFS = 0;
- break;
- case MSGBOX_UNABLE_TO_UPDATE:
- REG_BG0HOFS = 0x100;
- REG_BG0VOFS = 0xB0;
- break;
- case MSGBOX_NO_NEED_TO_UPDATE:
- REG_BG0HOFS = 0;
- REG_BG0VOFS = 0xB0;
- break;
- case MSGBOX_UPDATING:
- REG_BG0HOFS = 0;
- REG_BG0VOFS = 0x160;
- break;
- }
-}
-
-void Save_EraseAllData(void)
-{
- u16 i;
- for (i = 0; i < 32; i++)
- EraseFlashSector(i);
-}
-
-void Save_ResetSaveCounters(void)
-{
- gSaveCounter = 0;
- gFirstSaveSector = 0;
- gDamagedSaveSectors = 0;
-}
-
-bool32 SetSectorDamagedStatus(u8 op, u8 sectorNum)
-{
- bool32 retVal = FALSE;
-
- switch (op)
- {
- case SECTOR_DAMAGED:
- gDamagedSaveSectors |= (1 << sectorNum);
- break;
- case SECTOR_OK:
- gDamagedSaveSectors &= ~(1 << sectorNum);
- break;
- case SECTOR_CHECK: // unused
- if (gDamagedSaveSectors & (1 << sectorNum))
- retVal = TRUE;
- break;
- }
-
- return retVal;
-}
-
-u8 WriteSaveBlockChunks(u16 chunkId, const struct SaveBlockChunk *chunks)
-{
- u32 retVal;
- u16 i;
-
- gFastSaveSection = eSaveSection;
-
- if (chunkId != 0xFFFF) // write single chunk
- {
- retVal = WriteSingleChunk(chunkId, chunks);
- }
- else // write all chunks
- {
- gLastKnownGoodSector = gFirstSaveSector;
- gPrevSaveCounter = gSaveCounter;
- gFirstSaveSector++;
- gFirstSaveSector %= NUM_SECTORS_PER_SAVE_SLOT;
- gSaveCounter++;
- retVal = SAVE_STATUS_OK;
-
- for (i = 0; i < NUM_SECTORS_PER_SAVE_SLOT; i++)
- WriteSingleChunk(i, chunks);
-
- // Check for any bad sectors
- if (gDamagedSaveSectors != 0) // skip the damaged sector.
- {
- retVal = SAVE_STATUS_ERROR;
- gFirstSaveSector = gLastKnownGoodSector;
- gSaveCounter = gPrevSaveCounter;
- }
- }
-
- return retVal;
-}
-
-u8 WriteSingleChunk(u16 chunkId, const struct SaveBlockChunk * chunks)
-{
- u16 i;
- u16 sectorNum;
- u8 *chunkData;
- u16 chunkSize;
-
- // select sector number
- sectorNum = chunkId + gFirstSaveSector;
- sectorNum %= NUM_SECTORS_PER_SAVE_SLOT;
- // select save slot
- sectorNum += NUM_SECTORS_PER_SAVE_SLOT * (gSaveCounter % 2);
-
- chunkData = chunks[chunkId].data;
- chunkSize = chunks[chunkId].size;
-
- // clear save section.
- for (i = 0; i < sizeof(struct SaveSector); i++)
- ((u8 *)gFastSaveSection)[i] = 0;
-
- gFastSaveSection->id = chunkId;
- gFastSaveSection->signature = FILE_SIGNATURE;
- gFastSaveSection->counter = gSaveCounter;
- for (i = 0; i < chunkSize; i++)
- gFastSaveSection->data[i] = chunkData[i];
- gFastSaveSection->checksum = CalculateChecksum(chunkData, chunkSize);
-
- return TryWriteSector(sectorNum, gFastSaveSection->data);
-}
-
-u8 HandleWriteSectorNBytes(u8 sectorNum, u8 *data, u16 size)
-{
- u16 i;
- struct SaveSector *section = eSaveSection;
-
- for (i = 0; i < sizeof(struct SaveSector); i++)
- ((char *)section)[i] = 0;
-
- section->signature = FILE_SIGNATURE;
- for (i = 0; i < size; i++)
- section->data[i] = data[i];
- 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(sectorNum, section->data);
-}
-
-u8 TryWriteSector(u8 sectorNum, u8 *data)
-{
- if (ProgramFlashSectorAndVerify(sectorNum, data) != 0) // is damaged?
- {
- SetSectorDamagedStatus(SECTOR_DAMAGED, sectorNum); // set damaged sector bits.
- return SAVE_STATUS_ERROR;
- }
- else
- {
- SetSectorDamagedStatus(SECTOR_OK, sectorNum); // unset damaged sector bits. it's safe now.
- return SAVE_STATUS_OK;
- }
-}
-
-u32 RestoreSaveBackupVarsAndIncrement(const struct SaveBlockChunk *chunk) // chunk is unused
-{
- gFastSaveSection = eSaveSection;
- gLastKnownGoodSector = gFirstSaveSector;
- gPrevSaveCounter = gSaveCounter;
- gFirstSaveSector++;
- gFirstSaveSector %= NUM_SECTORS_PER_SAVE_SLOT;
- gSaveCounter++;
- gCurSaveChunk = 0;
- gDamagedSaveSectors = 0;
- return 0;
-}
-
-u32 RestoreSaveBackupVars(const struct SaveBlockChunk *chunk)
-{
- gFastSaveSection = eSaveSection;
- gLastKnownGoodSector = gFirstSaveSector;
- gPrevSaveCounter = gSaveCounter;
- gCurSaveChunk = 0;
- gDamagedSaveSectors = 0;
- return 0;
-}
-
-u8 WriteSingleChunkAndIncrement(u16 a1, const struct SaveBlockChunk * chunk)
-{
- u8 retVal;
-
- if (gCurSaveChunk < a1 - 1)
- {
- retVal = SAVE_STATUS_OK;
- WriteSingleChunk(gCurSaveChunk, chunk);
- gCurSaveChunk++;
- if (gDamagedSaveSectors)
- {
- retVal = SAVE_STATUS_ERROR;
- gFirstSaveSector = gLastKnownGoodSector;
- gSaveCounter = gPrevSaveCounter;
- }
- }
- else
- {
- retVal = SAVE_STATUS_ERROR;
- }
-
- return retVal;
-}
-
-u8 ErasePreviousChunk(u16 a1, const struct SaveBlockChunk *chunk)
-{
- u8 retVal = SAVE_STATUS_OK;
-
- EraseCurrentChunk(a1 - 1, chunk);
-
- if (gDamagedSaveSectors)
- {
- retVal = SAVE_STATUS_ERROR;
- gFirstSaveSector = gLastKnownGoodSector;
- gSaveCounter = gPrevSaveCounter;
- }
- return retVal;
-}
-
-u8 EraseCurrentChunk(u16 chunkId, const struct SaveBlockChunk *chunks)
-{
- u16 i;
- u16 sector;
- u8 *data;
- u16 size;
- u8 status;
-
- // select sector number
- sector = chunkId + gFirstSaveSector;
- sector %= NUM_SECTORS_PER_SAVE_SLOT;
- // select save slot
- sector += NUM_SECTORS_PER_SAVE_SLOT * (gSaveCounter % 2);
-
- data = chunks[chunkId].data;
- size = chunks[chunkId].size;
-
- // clear temp save section.
- for (i = 0; i < sizeof(struct SaveSector); i++)
- ((char *)gFastSaveSection)[i] = 0;
-
- gFastSaveSection->id = chunkId;
- gFastSaveSection->signature = FILE_SIGNATURE;
- gFastSaveSection->counter = gSaveCounter;
-
- // set temp section's data.
- for (i = 0; i < size; i++)
- gFastSaveSection->data[i] = data[i];
-
- // calculate checksum.
- gFastSaveSection->checksum = CalculateChecksum(data, size);
-
- EraseFlashSector(sector);
-
- status = SAVE_STATUS_OK;
-
- for (i = 0; i < sizeof(struct UnkSaveSection); i++)
- {
- if (ProgramFlashByte(sector, i, gFastSaveSection->data[i]))
- {
- status = SAVE_STATUS_ERROR;
- break;
- }
- }
-
- if (status == SAVE_STATUS_ERROR)
- {
- SetSectorDamagedStatus(SECTOR_DAMAGED, sector);
- return SAVE_STATUS_ERROR;
- }
- else
- {
- status = SAVE_STATUS_OK;
-
- for (i = 0; i < 7; i++)
- {
- if (ProgramFlashByte(sector, 0xFF9 + i, ((u8 *)gFastSaveSection)[0xFF9 + i]))
- {
- status = SAVE_STATUS_ERROR;
- break;
- }
- }
-
- if (status == SAVE_STATUS_ERROR)
- {
- SetSectorDamagedStatus(SECTOR_DAMAGED, sector);
- return SAVE_STATUS_ERROR;
- }
- else
- {
- SetSectorDamagedStatus(SECTOR_OK, sector);
- return SAVE_STATUS_OK;
- }
- }
-}
-
-u8 WriteSomeFlashByteToPrevSector(u16 a1, const struct SaveBlockChunk *chunk)
-{
- u16 sector;
-
- // select sector number
- sector = a1 + gFirstSaveSector - 1;
- sector %= NUM_SECTORS_PER_SAVE_SLOT;
- // select save slot
- sector += NUM_SECTORS_PER_SAVE_SLOT * (gSaveCounter % 2);
-
- if (ProgramFlashByte(sector, sizeof(struct UnkSaveSection), ((u8 *)gFastSaveSection)[sizeof(struct UnkSaveSection)]))
- {
- // sector is damaged, so enable the bit in gDamagedSaveSectors and restore the last written sector and save counter.
- SetSectorDamagedStatus(SECTOR_DAMAGED, sector);
- gFirstSaveSector = gLastKnownGoodSector;
- gSaveCounter = gPrevSaveCounter;
- return SAVE_STATUS_ERROR;
- }
- else
- {
- SetSectorDamagedStatus(SECTOR_OK, sector);
- return SAVE_STATUS_OK;
- }
-}
-
-u8 WriteSomeFlashByte0x25ToPrevSector(u16 a1, const struct SaveBlockChunk *chunk)
-{
- u16 sector;
-
- sector = a1 + gFirstSaveSector - 1;
- sector %= NUM_SECTORS_PER_SAVE_SLOT;
- sector += NUM_SECTORS_PER_SAVE_SLOT * (gSaveCounter % 2);
-
- if (ProgramFlashByte(sector, sizeof(struct UnkSaveSection), 0x25))
- {
- // sector is damaged, so enable the bit in gDamagedSaveSectors and restore the last written sector and save counter.
- SetSectorDamagedStatus(SECTOR_DAMAGED, sector);
- gFirstSaveSector = gLastKnownGoodSector;
- gSaveCounter = gPrevSaveCounter;
- return SAVE_STATUS_ERROR;
- }
- else
- {
- SetSectorDamagedStatus(SECTOR_OK, sector);
- return SAVE_STATUS_OK;
- }
-}
-
-u8 TryReadAllSaveSectorsCurrentSlot(u16 a1, const struct SaveBlockChunk *chunk)
-{
- u8 retVal;
- gFastSaveSection = eSaveSection;
- if (a1 != 0xFFFF)
- {
- retVal = SAVE_STATUS_ERROR;
- }
- else
- {
- retVal = GetSaveValidStatus(chunk);
- ReadAllSaveSectorsCurrentSlot(0xFFFF, chunk);
- }
-
- return retVal;
-}
-
-u8 ReadAllSaveSectorsCurrentSlot(u16 a1, const struct SaveBlockChunk *chunks)
-{
- u16 i;
- u16 checksum;
- u16 sector = NUM_SECTORS_PER_SAVE_SLOT * (gSaveCounter % 2);
- u16 id;
-
- for (i = 0; i < NUM_SECTORS_PER_SAVE_SLOT; i++)
- {
- DoReadFlashWholeSection(i + sector, gFastSaveSection);
- id = gFastSaveSection->id;
- if (id == 0)
- gFirstSaveSector = i;
- checksum = CalculateChecksum(gFastSaveSection->data, chunks[id].size);
- if (gFastSaveSection->signature == FILE_SIGNATURE
- && gFastSaveSection->checksum == checksum)
- {
- u16 j;
- for (j = 0; j < chunks[id].size; j++)
- chunks[id].data[j] = gFastSaveSection->data[j];
- }
- }
-
- return 1;
-}
-
-u8 GetSaveValidStatus(const struct SaveBlockChunk *chunks)
-{
- u16 sector;
- bool8 signatureValid;
- u16 checksum;
- u32 slot1saveCounter = 0;
- u32 slot2saveCounter = 0;
- u8 slot1Status;
- u8 slot2Status;
- u32 validSectors;
- const u32 ALL_SECTORS = (1 << NUM_SECTORS_PER_SAVE_SLOT) - 1; // bitmask of all saveblock sectors
-
- // check save slot 1.
- validSectors = 0;
- signatureValid = FALSE;
- for (sector = 0; sector < NUM_SECTORS_PER_SAVE_SLOT; sector++)
- {
- DoReadFlashWholeSection(sector, gFastSaveSection);
- if (gFastSaveSection->signature == FILE_SIGNATURE)
- {
- signatureValid = TRUE;
- checksum = CalculateChecksum(gFastSaveSection->data, chunks[gFastSaveSection->id].size);
- if (gFastSaveSection->checksum == checksum)
- {
- slot1saveCounter = gFastSaveSection->counter;
- validSectors |= 1 << gFastSaveSection->id;
- }
- }
- }
-
- if (signatureValid)
- {
- if (validSectors == ALL_SECTORS)
- slot1Status = SAVE_STATUS_OK;
- else
- slot1Status = SAVE_STATUS_ERROR;
- }
- else
- {
- slot1Status = SAVE_STATUS_EMPTY;
- }
-
- // check save slot 2.
- validSectors = 0;
- signatureValid = FALSE;
- for (sector = 0; sector < NUM_SECTORS_PER_SAVE_SLOT; sector++)
- {
- DoReadFlashWholeSection(NUM_SECTORS_PER_SAVE_SLOT + sector, gFastSaveSection);
- if (gFastSaveSection->signature == FILE_SIGNATURE)
- {
- signatureValid = TRUE;
- checksum = CalculateChecksum(gFastSaveSection->data, chunks[gFastSaveSection->id].size);
- if (gFastSaveSection->checksum == checksum)
- {
- slot2saveCounter = gFastSaveSection->counter;
- validSectors |= 1 << gFastSaveSection->id;
- }
- }
- }
-
- if (signatureValid)
- {
- if (validSectors == ALL_SECTORS)
- slot2Status = SAVE_STATUS_OK;
- else
- slot2Status = SAVE_STATUS_ERROR;
- }
- else
- {
- slot2Status = SAVE_STATUS_EMPTY;
- }
-
- if (slot1Status == SAVE_STATUS_OK && slot2Status == SAVE_STATUS_OK)
- {
- // Choose counter of the most recent save file
- if ((slot1saveCounter == -1 && slot2saveCounter == 0) || (slot1saveCounter == 0 && slot2saveCounter == -1))
- {
- if ((unsigned)(slot1saveCounter + 1) < (unsigned)(slot2saveCounter + 1))
- gSaveCounter = slot2saveCounter;
- else
- gSaveCounter = slot1saveCounter;
- }
- else
- {
- if (slot1saveCounter < slot2saveCounter)
- gSaveCounter = slot2saveCounter;
- else
- gSaveCounter = slot1saveCounter;
- }
- return SAVE_STATUS_OK;
- }
-
- if (slot1Status == SAVE_STATUS_OK)
- {
- gSaveCounter = slot1saveCounter;
- if (slot2Status == SAVE_STATUS_ERROR)
- return SAVE_STATUS_ERROR;
- else
- return SAVE_STATUS_OK;
- }
-
- if (slot2Status == SAVE_STATUS_OK)
- {
- gSaveCounter = slot2saveCounter;
- if (slot1Status == SAVE_STATUS_ERROR)
- return SAVE_STATUS_ERROR;
- else
- return SAVE_STATUS_OK;
- }
-
- if (slot1Status == SAVE_STATUS_EMPTY && slot2Status == SAVE_STATUS_EMPTY)
- {
- gSaveCounter = 0;
- gFirstSaveSector = 0;
- return SAVE_STATUS_EMPTY;
- }
-
- gSaveCounter = 0;
- gFirstSaveSector = 0;
- return 2;
-}
-
-u8 ReadSomeUnknownSectorAndVerify(u8 sector, u8 *data, u16 size)
-{
- u16 i;
- struct SaveSector *section = eSaveSection;
-
- DoReadFlashWholeSection(sector, section);
- if (section->signature == FILE_SIGNATURE)
- {
- u16 checksum = CalculateChecksum(section->data, size);
- if (section->id == checksum)
- {
- for (i = 0; i < size; i++)
- data[i] = section->data[i];
- return SAVE_STATUS_OK;
- }
- else
- {
- return 2;
- }
- }
- else
- {
- return SAVE_STATUS_EMPTY;
- }
-}
-
-u32 DoReadFlashWholeSection(u8 sector, struct SaveSector *section)
-{
- ReadFlash(sector, 0, section->data, sizeof(struct SaveSector));
- return 1;
-}
-
-u16 CalculateChecksum(const void *data, u16 size)
-{
- u16 i;
- u32 checksum = 0;
-
- for (i = 0; i < (size / 4); i++)
- {
- checksum += *((u32 *)data);
- data += sizeof(u32);
- }
-
- return ((checksum >> 16) + checksum);
-}
-
-void nullsub_0201182C()
-{
-}
-
-void nullsub_02011830()
-{
-}
-
-void nullsub_02011834()
-{
-}
-
-u16 * get_var_addr(u16 a0)
-{
- if (a0 < VARS_START)
- return NULL;
- if (a0 < VAR_SPECIAL_0)
- return &gSaveBlock1.vars[a0 - VARS_START];
- return NULL;
-}
-
-bool32 flash_maincb_check_need_reset_pacifidlog_tm(void)
-{
- u8 sp0;
- u16 * data = get_var_addr(VAR_PACIFIDLOG_TM_RECEIVED_DAY);
- rtc_maincb_is_time_since_last_berry_update_positive(&sp0);
- if (*data <= gRtcUTCTime.days)
- return TRUE;
- else
- return FALSE;
-}
-
-bool32 flash_maincb_reset_pacifidlog_tm(void)
-{
- u8 sp0;
- if (flash_maincb_check_need_reset_pacifidlog_tm() == TRUE)
- return TRUE;
- rtc_maincb_is_time_since_last_berry_update_positive(&sp0);
- if (gRtcUTCTime.days < 0)
- return FALSE;
- *get_var_addr(VAR_PACIFIDLOG_TM_RECEIVED_DAY) = 1;
- if (flash_write_save_block_chunks_check_damage(0) != TRUE)
- return FALSE;
- return TRUE;
-}