There wass a small error in the emulator, it didn't create the file.sav.
Changelog:
* Fixed a bug in smulwy and smlawy opcode.
* Fixed a bug in ldrd and strd opcode.
* Fixed a bug in swi opcode.
* Fixed a bug in GXFIFO register.
* Fixed a bug in GXSTAT register.
* Fixed a bug in texture slots management.
* Fixed a bug in textures management.
* Fixed a bug in FAT emulation.
* Fixed a bug in read byte in video memory.
* Fixed a bug in visualization layer disabled.
* Fixed a bug in Extended Palettes Slots.
* Fixed a bug in touch position detection in rotation mode.
* Fixed a bug in IRQ management.
* Fixed a bug in plugins management.
* Fixed a bug in BGxCNT.
* Fixed a bug Unable to read.
* Fixed a bug in Extended Mode Background Size.
* Added cheats features.(Action Repaly DS only)
* Added Plain ARM7-CPU memory access.
* Added support for ELF format.
* Added visualization source code in debugger window.
* Added LZ77UnCompVram bios function.
* Added Windows 0 and 1 rendering.
Audio Plugin 1.0.0.2 :
* Added Savestate capability.
* Added Change Volume feature.
* Fixed a bug in SOUNDxCNT register.
* Fixed a bug in calculation resampling frequency.