Accessing to the save/load game data

[Loïc]

...
BUT, notice that Thor's code erases the block and writes the data.  This will work.  It's probably the easiest way, but it's not the "best" way to do it.
...

Ed, is it possible on neogeo pocket to change only the needed bits ?

All the commercial games I've disassembled uses clear/write process.

Loïc