Gta san andreas cj is moving backward when I am clicking w(forward)

[anurag das 777]

When I am playing gta san andreas cj is going backward in the direction of the camera while I am pressing w(forward) button.when I am pressing s(backward) cj is going front but a(left) and s(right) are inverted.my keyboard is fine and also the key mapping can any one help me 

 

[TheOne_998]

"the key mapping is fine" have you double checked?? send me a screenshot of your key mapping