CLK/Machines/MSX/Cartridges/ASCII16kb.hpp

//
//  ASCII16kb.hpp
//  Clock Signal
//
//  Created by Thomas Harte on 04/01/2018.
//  Copyright 2018 Thomas Harte. All rights reserved.
//

#pragma once

#include "../MemorySlotHandler.hpp"

namespace MSX::Cartridge {

class ASCII16kbROMSlotHandler: public MemorySlotHandler {
	public:
		ASCII16kbROMSlotHandler(MSX::MemorySlot &slot) : slot_(slot) {}

		void write(uint16_t address, uint8_t value, bool pc_is_outside_bios) final {
			switch(address >> 11) {
				default:
					if(pc_is_outside_bios) confidence_counter_.add_miss();
				break;
				case 0xc:
					if(pc_is_outside_bios) {
						if(address == 0x6000) confidence_counter_.add_hit(); else confidence_counter_.add_equivocal();
					}
					slot_.map(value * 0x4000, 0x4000, 0x4000);
				break;
				case 0xe:
					if(pc_is_outside_bios) {
						if(address == 0x7000 || address == 0x77ff) confidence_counter_.add_hit(); else confidence_counter_.add_equivocal();
					}
					slot_.map(value * 0x4000, 0x8000, 0x4000);
				break;
			}
		}

		virtual std::string debug_type() final {
			return "A16";
		}

	private:
		MSX::MemorySlot &slot_;
};

}