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44 lines
935 B
C++
44 lines
935 B
C++
//
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// CommodoreGCR.hpp
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// Clock Signal
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//
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// Created by Thomas Harte on 29/07/2016.
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// Copyright © 2016 Thomas Harte. All rights reserved.
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//
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#ifndef CommodoreGCR_hpp
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#define CommodoreGCR_hpp
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#include "../../Storage.hpp"
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#include <cstdint>
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namespace Storage {
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namespace Encodings {
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namespace CommodoreGCR {
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/*!
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@returns the proportion of a second that each bit of data within the specified @c time_zone
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should idiomatically occupy.
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*/
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Time length_of_a_bit_in_time_zone(unsigned int time_zone);
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/*!
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@returns the five-bit GCR encoding for the low four bits of @c nibble.
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*/
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unsigned int encoding_for_nibble(uint8_t nibble);
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/*!
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@returns the ten-bit GCR encoding for @c byte.
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*/
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unsigned int encoding_for_byte(uint8_t byte);
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/*!
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A block is defined to be four source bytes, which encodes to five GCR bytes.
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*/
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void encode_block(uint8_t *destination, uint8_t *source);
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}
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}
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}
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#endif /* CommodoreGCR_hpp */
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