#include <memory/bank.h>

Bank::Bank()
  : banks(), current_bank(nullptr)
{}

void Bank::addBank(u8 idx, Mem_device* dev)
{
  banks[idx] = dev;
}

void Bank::setBank(u8 idx)
{
  auto it = banks.find(idx);
  if(it == banks.end())
    current_bank = nullptr;
  else
    current_bank = it->second;
}


void Bank::write8(u16 addr, u8 data)
{
  if(current_bank == nullptr) return;
  current_bank->write8(addr, data);
}

u8 Bank::read8(u16 addr)
{
  if(current_bank == nullptr) return 0xFFu;
  return current_bank->read8(addr);
}

void Bank::write16(u16 addr, u16 data)
{
  if(current_bank == nullptr) return;
  current_bank->write16(addr, data);
}

u16 Bank::read16(u16 addr)
{
  if(current_bank == nullptr) return 0xFFu;
  return current_bank->read16(addr);
}