CLK/Storage/Tape/Formats/TZX.cpp

//
//  TZX.cpp
//  Clock Signal
//
//  Created by Thomas Harte on 16/07/2017.
//  Copyright © 2017 Thomas Harte. All rights reserved.
//

#include "TZX.hpp"

using namespace Storage::Tape;

TZX::TZX(const char *file_name) :
	Storage::FileHolder(file_name),
	is_high_(false) {

	// Check for signature followed by a 0x1a
	char identifier[7];
	char signature[] = "ZXTape!";
	fread(identifier, 1, strlen(signature), file_);
	if(memcmp(identifier, signature, strlen(signature))) throw ErrorNotTZX;
	if(fgetc(file_) != 0x1a) throw ErrorNotTZX;

	// Get version number
	uint8_t major_version = (uint8_t)fgetc(file_);
	uint8_t minor_version = (uint8_t)fgetc(file_);

	// Reject if an incompatible version
	if(major_version != 1 || minor_version > 20)  throw ErrorNotTZX;
}

void TZX::virtual_reset() {
	clear();
	fseek(file_, SEEK_SET, 0x0a);
}

void TZX::get_next_pulses() {
}