use crate::periph::mos6520::Mos6520;

impl Mos6520 {
    fn read_tod(&mut self, sub: u8) -> u8 {
        match sub {
            0 => { self.tod_frozen = true; self.tod_hours },
            1 => self.tod_minutes,
            2 => self.tod_seconds,
            3 => {
                self.tod_frozen = false;
                self.tod_tenths
            }
            _ => 0
        }
    }

    pub(crate) fn write_tod(&mut self, sub: u8, value: u8) {
        match sub {
            0 => { self.tod_hours = value; self.tod_frozen = true; }
            1 => self.tod_minutes = value,
            2 => self.tod_seconds = value,
            3 => { self.tod_tenths = value; self.tod_frozen = false; }
            _ => {}
        }
    }
}