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CLK/Storage/Tape/Formats/CommodoreTAP.hpp
2025-02-28 13:18:48 -05:00

77 lines
1.6 KiB
C++

//
// CommodoreTAP.hpp
// Clock Signal
//
// Created by Thomas Harte on 25/06/2016.
// Copyright 2016 Thomas Harte. All rights reserved.
//
#pragma once
#include "Storage/Tape/Tape.hpp"
#include "Storage/FileHolder.hpp"
#include "Storage/TargetPlatforms.hpp"
#include <cstdint>
#include <string>
namespace Storage::Tape {
/*!
Provides a @c Tape containing a Commodore-format tape image, which is simply a timed list of downward-going zero crossings.
*/
class CommodoreTAP: public Tape, public TargetPlatform::Distinguisher {
public:
/*!
Constructs a @c CommodoreTAP containing content from the file with name @c file_name.
@throws ErrorNotCommodoreTAP if this file could not be opened and recognised as a valid Commodore-format TAP.
*/
CommodoreTAP(const std::string &file_name);
enum {
ErrorNotCommodoreTAP
};
private:
TargetPlatform::Type target_platforms() override;
std::unique_ptr<FormatSerialiser> format_serialiser() const override;
enum class FileType {
C16, C64,
};
enum class Platform: uint8_t {
C64 = 0,
Vic20 = 1,
C16 = 2,
};
enum class VideoStandard: uint8_t {
PAL = 0,
NTSC1 = 1,
NTSC2 = 2,
};
struct Serialiser: public FormatSerialiser {
Serialiser(const std::string &file_name, Pulse initial, bool half_waves, bool updated_layout);
private:
bool is_at_end() const override;
void reset() override;
Pulse next_pulse() override;
Storage::FileHolder file_;
Pulse current_pulse_;
bool half_waves_;
bool updated_layout_;
bool is_at_end_ = false;
};
std::string file_name_;
Pulse initial_pulse_;
bool half_waves_;
bool updated_layout_;
Platform platform_;
};
}