struct SA1 : Processor::R65816, public Coprocessor {
  #include "bus/bus.hpp"
  #include "dma/dma.hpp"
  #include "memory/memory.hpp"
  #include "mmio/mmio.hpp"

  struct Status {
    uint8 tick_counter;

    bool interrupt_pending;

    uint16 scanlines;
    uint16 vcounter;
    uint16 hcounter;
  } status;

  static auto Enter() -> void;
  auto enter() -> void;
  auto tick() -> void;
  auto op_irq() -> void;

  alwaysinline auto trigger_irq() -> void;
  alwaysinline auto last_cycle() -> void;
  alwaysinline auto interrupt_pending() -> bool;

  auto init() -> void;
  auto load() -> void;
  auto unload() -> void;
  auto power() -> void;
  auto reset() -> void;

  auto serialize(serializer&) -> void;

  MappedRAM rom;
  MappedRAM iram;
  MappedRAM bwram;
};

extern SA1 sa1;