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use std::cell::RefCell;
use std::rc::Rc;
use rustv::isa::{self, IsaType};
use rustv::memory::{MemoryInterface, Mmu};
use memory_tracker::MemoryTracker;
pub const HOME_STATUS: isa::Address = isa::Word(0xFFF00);
/// Update the various global data structures as requested by other
/// subsystems.
// Intended to be passed around as &'a GlobalsUpdater
pub struct GlobalsUpdater<'a> {
// TODO: weak reference?
memory: Rc<RefCell<MemoryTracker>>,
mmu1: Box<Mmu + 'a>,
mmu2: Box<Mmu + 'a>,
}
impl<'a> GlobalsUpdater<'a> {
pub fn new(memory: Rc<RefCell<MemoryTracker>>,
mmu1: Box<Mmu + 'a>, mmu2: Box<Mmu + 'a>) -> GlobalsUpdater<'a> {
GlobalsUpdater {
memory: memory,
mmu1: mmu1,
mmu2: mmu2,
}
}
pub fn init_memory(&self) {
// Initialize taunt array to all -1
for offset in 0..(228 / 4) {
let address1 = self.mmu1.translate(HOME_STATUS + 28 + offset);
let address2 = self.mmu2.translate(HOME_STATUS + 28 + offset);
let _ = self.memory.borrow_mut().write_word(
address1,
isa::SignedWord(-1).as_word());
let _ = self.memory.borrow_mut().write_word(
address2,
isa::SignedWord(-1).as_word());
}
}
// TODO: how to distinguish which player?
// TODO: we want virtual addresses? or physical ones?
pub fn fetch_tag(&self, tag: isa::Address, index: u32) {
// TODO: assert index is 0 or 1
let address = HOME_STATUS;
}
pub fn finish_tag(&self, tag: isa::Address, index: u32) {
}
pub fn update_score(&self, player1: i64, player2: i64) {
}
}
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