path: root/src/memory.rs

#![allow(dead_code)]
use ppu::PPU;
use mos6502::CPU;
use cartridge::MirrorType;
use controller::Controller;
use core::cell::RefCell;
use core::ptr::null_mut;

pub trait VMem {
    fn read(&self, addr: u16) -> u8;
    fn write(&mut self, addr: u16, data: u8);
}

pub struct CPUMemory<'a> {
    sram: [u8; 2048],
    ppu: *mut PPU<'a>,
    cpu: *mut CPU<'a>,
    mapper: &'a RefCell<&'a mut VMem>,
    ctl1: Option<&'a Controller>,
    ctl2: Option<&'a Controller>
}

impl<'a> CPUMemory<'a> {
    pub fn new(ppu: &mut PPU<'a>,
               mapper: &'a RefCell<&'a mut VMem>,
               ctl1: Option<&'a Controller>,
               ctl2: Option<&'a Controller>) -> Self {
        CPUMemory{sram: [0; 2048],
                  cpu: null_mut(),
                  ppu: ppu,
                  mapper, ctl1, ctl2}</