refactor: move emulation logic into sys

1 files changed, 47 insertions, 0 deletions

diff --git a/lib/nes/sys/nes.hh b/lib/nes/sys/nes.hh
new file mode 100644
index 0000000..b421a5f
--- /dev/null
+++ b/lib/nes/sys/nes.hh
@@ -0,0 +1,47 @@
+#pragma once
+
+#include "nes/sys/types/cycle-count.hh"
+#include "nes/sys/cartridge.hh"
+#include "nes/sys/controller.hh"
+#include "nes/sys/cpu.hh"
+#include "nes/sys/ppu.hh"
+
+namespace nes
+{
+	class display;
+	struct snapshot;
+
+	/// The main console abstraction.
+	class nes
+	{
+		cartridge cartridge_;
+		display& display_;
+		controller controller_1_;
+		controller controller_2_;
+		ppu ppu_;
+		cpu cpu_;
+		cycle_count current_cycles_;
+		status status_{ status::success };
+
+	public:
+		explicit nes(cartridge, display&);
+
+		nes(nes const&) = delete;
+		nes(nes&&) = delete;
+		auto operator=(nes const&) -> nes& = delete;
+		auto operator=(nes&&) -> nes& = delete;
+
+		auto get_status() const -> status { return status_; }
+		auto get_controller_1() const -> controller const& { return controller_1_; }
+		auto ref_controller_1() -> controller& { return controller_1_; }
+		auto get_controller_2() const -> controller const& { return controller_2_; }
+		auto ref_controller_2() -> controller& { return controller_2_; }
+
+		auto step() -> void;
+		auto step(std::chrono::microseconds delta) -> void;
+		auto step(cycle_count delta) -> void;
+		auto step_to_nmi() -> void;
+
+		auto get_snapshot() -> snapshot;
+	};
+} // namespace nes
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