Bind alt + wasd to arrow keys

Question

I tried what the OP did in How to map [Alt] + [hjkl] keys to arrow keys? and faced the same issue. The only answer did not work. Any suggestions?

Answer 1

Ok, I got it to work by specifying left alt as my mode switch.

keycode 64 = NoSymbol NoSymbol
keycode 64 = Mode_switch
keycode 25 = w W Up NoSymbol NoSymbol NoSymbol