cartreader/sd/README.md
2022-07-07 10:51:36 +02:00

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### Copy these files to the root of your SD card. If you're on Linux or MAC make sure the Windows style line endings(CRLF) don't get removed.
Hint: You can select all the databases, right-click, properties, mark checkbox Hidden and now they won't show up in the Cart Reader's file browser.
## gb.txt / md.txt / pce.txt / sms.txt
These files store the ROM names and the CRC32 checksums.
Example:
007 - The World Is Not Enough (USA, Europe).gbc
E038E666
Name
CRC32
## gba.txt
This file stores the GBA database which is needed because the save type and rom size are not stored inside the rom.
Example:
007 - Everything or Nothing (USA, Europe) (En,Fr,De).gba
9D4F1E18,BJBE,08,1
Name
CRC32, game id, size in MByte, savetype
Savetypes:
0 = Unknown or no save
1 = 4k Eeprom
2 = 64K Eeprom
3 = 256K Sram
4 = 512K Flash
5 = 1024K Flash
6 = 512K Sram
## n64.txt
This file stores the N64 database which is needed because the save type and rom size are not stored inside the rom.
The CRC32 checksum is used to verify a good dump.
Example:
007 - The World Is Not Enough (Europe) (En,Fr,De).z64
002C3B2A,3B941695,32,0
Name
CRC32, ROM internal CRC1, size in MByte, savetype
Savetypes:
0 = no save chip
1 = SRAM
4 = Flashram
5 = 4K Eeprom
6 = 16K Eeprom
## nes.txt
This file stores the iNES Header, the CRC32 of the first 512 bytes after the iNES header and the CRC32 of the complete ROM minus the iNES header.
Example:
89 Dennou Kyuusei Uranai (Japan).nes
BA58ED29,716956B4,4E45531A100010080000070700000001
Name
CRC32 (prg+chr combined), CRC32 (16 bytes), iNES Header
## snes.txt
This file is needed for odd sized SNES games like Final Fantasy (JAP), Super Metroid(US/JAP) or Tales of Symphonia. Without this file you will get overdumps and the checksum calculation will fail.
Example:
'96 Zenkoku Koukou Soccer Senshuken (Japan).sfc
05FBB855,70DE,12,048
Name
CRC32, internal checksum, size in Mbit, number of banks (lorom needs twice as many banks as hirom for the same rom size, lorom: 32kb banks, hirom: 64kb banks)
## snes_clk.txt
Calibration data for clock generator.