Emulator Fusion.ini Controller Problem

Hello,

i need some help.
i use the microsoft sidewinder as controller to play sega master system roms.
but i have a problem to configure it.
when configuring UP, DOWN, LEFT, RIGHT i'm not able to configure the down direction.
i just need to configure it in the ini by opening with the editor.
can someone help me which line i have to chance?
and what do i have to chance? which numbercodes do i have to fill in?

the main configuration of Fusion is that i push the cross up an the figure run left, pushing down, it run right. pushing left ist looks up and pushing right it looks down. i only have to chance the configuration of the X- and Y-axis.

please help me.

i'm sorry fpr my english, but i try my best. :)