AHK ATS Splitter Logic 2

$z::
{
SetTimer, Throtz, 50
return
Throtz:
if GetKeyState("2JoyZ") < 100
    return
Send {; down}
Sleep 125
Send {; up}
Send {a up}
SetTimer, Throtz, Off
return
}

$x::
{
SetTimer, Throtx, 50
return
Throtx:
if GetKeyState("2JoyZ") < 100
    return
Send {' down}
Sleep 125
Send {' up}
Send {a down}
SetTimer, Throtx, Off
return
}