[JohnC]

The above two examples don't look like they will work... this code should work copied and pasted (assuming you want your Port 1 joystick to control pwm01):

if(p1_y > 127) {
  pwm01 = 150;
}

if(p1_y > 200) {
  pwm01 = p1_y;
}

if(p1_y < 127) {
  pwm01 = 104;
}

if(p1_y < 54) {
  pwm01 = p1_y;
}