EightBit/Z80/inc/InputOutput.h

#pragma once

#include <cstdint>
#include "Signal.h"
#include "PortEventArgs.h"

namespace EightBit {
	class InputOutput {
	public:
		InputOutput();

		uint8_t read(uint8_t port) { return readInputPort(port); }
		void write(uint8_t port, uint8_t value) { return writeOutputPort(port, value); }

		uint8_t readInputPort(uint8_t port);
		void writeInputPort(uint8_t port, uint8_t value) { input[port] = value; }

		uint8_t readOutputPort(uint8_t port) { return output[port]; }
		void writeOutputPort(uint8_t port, uint8_t value);

		Signal<PortEventArgs> ReadingPort;
		Signal<PortEventArgs> ReadPort;

		Signal<PortEventArgs> WritingPort;
		Signal<PortEventArgs> WrittenPort;

	protected:
		void OnReadingPort(uint8_t port);
		void OnReadPort(uint8_t port);

		void OnWritingPort(uint8_t port);
		void OnWrittenPort(uint8_t port);

	private:
		std::array<uint8_t, 0x100> input;
		std::array<uint8_t, 0x100> output;
	};
}