use std::collections::HashSet;
use crate::mem::Memory;

pub struct CpuState {
    pub memory: Memory,
    pub registers: [u32; 32],
    pub f_registers: [f32; 32],
    pub pc: u32,
    pub reservations: HashSet<usize>
}

impl CpuState {
    pub fn new(memory: Memory) -> CpuState {
        CpuState {
            memory,
            registers: [0u32; 32],
            f_registers: [0f32; 32],
            pc: 0,
            reservations: HashSet::new()
        }
    }

    pub fn release_reservations(&mut self, indices: &[usize]) {
        for index in indices {
            self.reservations.remove(&index);
        }
    }
    pub fn acquire_reservations(&mut self, indices: &[usize]) {
        for index in indices {
            self.reservations.insert(*index);
        }
    }
}