use crate::periph::at28c256::At28C256;
use crate::periph::backplane::Backplane;
use crate::periph::hm62256::Hm62256;

pub struct RamRomComputer {
    rom: At28C256,
    ram: Hm62256,
    data_bus: u8,
    address_bus: u16,
    read_mode: bool,
}

impl Backplane for RamRomComputer {
    fn data_bus(&self) -> u8 {
        self.data_bus
    }

    fn address_bus(&self) -> u16 {
        self.address_bus
    }

    fn read_mode(&self) -> bool {
        self.read_mode
    }

    fn tick(&mut self) {
        todo!()
    }
    fn set_read_mode(&mut self, new_mode: bool) {
        self.read_mode = new_mode;
    }

    fn set_address_bus(&mut self, new_value: u16) {
        self.address_bus = new_value;
    }

    fn set_data_bus(&mut self, new_value: u8) {
        self.data_bus = new_value;
    }
}

impl RamRomComputer {
    pub fn new() -> RamRomComputer {
        RamRomComputer {
            rom: At28C256::default(),
            ram: Hm62256::default(),
            data_bus: 0x00,
            address_bus: 0x0000,
            /// is the CPU reading from the 'other' device?
            read_mode: true
        }
    }
}