#include <system/dmg.h>

System::System(Cartridge cart)
  : cart(cart), mbc1(cart), wram1(0x1000), wram2(0x1000),
    hram(0x100), oam(0x100), bus(), cpu(&bus),
    ie_mapped(cpu.state.IE), if_mapped(cpu.state.IF)
{
  bus.map_device(0x0000, 0x7FFF, &mbc1);
  bus.map_device(0xA000, 0xBFFF, &mbc1, 0xA000);
  bus.map_device(0xC000, 0xCFFF, &wram1);
  bus.map_device(0xD000, 0xDFFF, &wram2);
  bus.map_device(0xE000, 0xFDFF, &wram1);
  bus.map_device(0xFE00, 0xFE9F, &oam);
  bus.map_device(0xFF80, 0xFFFE, &hram);
  bus.map_device(0xFFFF, 0xFFFF, &ie_mapped);
  bus.map_device(0xFF0F, 0xFF0F, &if_mapped);

  cpu.state.A = 0x1;
  cpu.state.carry = true;
  cpu.state.halfcarry = true;
  cpu.state.subtract = false;
  cpu.state.zero = true;

  cpu.state.B = 0x00;
  cpu.state.C = 0x13;
  cpu.state.D = 0x00;
  cpu.state.E = 0xD8;
  cpu.state.H = 0x01;
  cpu.state.L = 0x4D;

  cpu.state.SP = 0xFFFE;
  cpu.state.PC = 0x100;
}