AutoSave() {
    global autoSaveSlot

    SetTitleMatchMode, RegEx
    dolphinWinTitleRegex := "^Dolphin.*\| FPS:.*$"

    if !(autoSaveSlot is number)
        autoSaveSlot := 4

    if (autoSaveSlot == 4) {
        ControlSend, , {Shift down}{F4}{Shift up}, %dolphinWinTitleRegex%
    } else if (autoSaveSlot == 5) {
        ControlSend, , {Shift down}{F5}{Shift up}, %dolphinWinTitleRegex%
    } else if (autoSaveSlot == 6) {
        ControlSend, , {Shift down}{F6}{Shift up}, %dolphinWinTitleRegex%
    } else if (autoSaveSlot == 7) {
        ControlSend, , {Shift down}{F7}{Shift up}, %dolphinWinTitleRegex%
    } else if (autoSaveSlot == 8) {
        ControlSend, , {Shift down}{F8}{Shift up}, %dolphinWinTitleRegex%
    }

    ; WinGetTitle, Title, %dolphinWinTitleRegex%
    ; MsgBox, The active window is "%Title%".

    autoSaveSlot++
    if (autoSaveSlot > 8) {
        autoSaveSlot := 4
    }
    return
}