43 lines
848 B
C++
43 lines
848 B
C++
#pragma once
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#include <vector>
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#include <cstdint>
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class CassetteTape
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{
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public:
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typedef int8_t tape_data_t;
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void setData(const std::string & filename, const std::vector<tape_data_t> & data, const int frequency);
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BYTE getValue(const ULONG nExecutedCycles);
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struct TapeInfo
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{
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std::string filename;
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size_t size;
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size_t pos;
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int frequency;
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uint8_t bit;
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};
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void getTapeInfo(TapeInfo & info) const;
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void eject();
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void rewind();
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static CassetteTape & instance();
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private:
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BYTE getBitValue(const tape_data_t val);
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tape_data_t getCurrentWave(size_t & pos) const;
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std::vector<tape_data_t> myData;
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uint64_t myBaseCycles;
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int myFrequency;
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bool myIsPlaying = false;
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BYTE myLastBit = 1; // negative wave
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std::string myFilename; // just for info
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static constexpr tape_data_t myThreshold = 5;
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};
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