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40 lines
678 B
C++
40 lines
678 B
C++
//
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// RegisterSizes.hpp
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// Clock Signal
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//
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// Created by Thomas Harte on 14/05/2017.
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// Copyright 2017 Thomas Harte. All rights reserved.
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//
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#ifndef RegisterSizes_hpp
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#define RegisterSizes_hpp
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#include <cstdint>
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namespace CPU {
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template <typename Full, typename Half> union RegisterPair {
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RegisterPair(Full v) : full(v) {}
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RegisterPair() {}
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Full full;
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#pragma pack(push, 1)
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#if TARGET_RT_BIG_ENDIAN
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struct {
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Half high, low;
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} halves;
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#else
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struct {
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Half low, high;
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} halves;
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#endif
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#pragma pack(pop)
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};
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typedef RegisterPair<uint16_t, uint8_t> RegisterPair16;
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typedef RegisterPair<uint32_t, RegisterPair16> RegisterPair32;
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}
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#endif /* RegisterSizes_hpp */
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