Para todo aquel que use Linux para su vida diaria...
http://www.gbadev.org/tools.php?section=send
Se pueden usar este software GBA Flinker 1.72 [DOS/LNX] Jeff F FILE [41kb] para realizar los backups de vuestros originales.
Primero se ha de compilar con:
cc -o fl fl.c -O2
El ejecutable es "fl", se usa mediante comandos.
Son los siguientes:
GBA FLinker v1.72 by Jeff F.
Usage: fl [options]
-2 Use 16bit EPP data path for faster operation (default=8bit)
-b o s file Backup game save SRAM or Flash to file
(o = Bank Number [1-4])
(s=1 - Backup 32K bytes to file.)
(s=2 - Backup 64K bytes to file.)
(s=3 - Backup 128K bytes to file.)
(s=4 - Backup 256K bytes to file.)
-c n Specify chip size in mbits (8,16,32,64,128,256) (default=32)
-D n Specify the parallel port DMA to use (default is 3)
-d n Dump 256 bytes of ROM to screen (default: n=0)
-h This help screen
-I n Specify the parallel port IRQ to use (default is 7)
-l n Specify the parallel port to use (default is 1 = LPT1)
-n Do not repair incorrect header (default = repair header)
-p file Program flash cart with file
-r o file Restore game save SRAM from file (No save flash support)
(o = Bank Number [1-4])
-s file Save the cart into a file (Use -c to specify size)
-v file Verify flash cart with file
-w n Add delay to make transfer more reliable
Yo lo he probado con un Flash Linker y funciona perfectamente.