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CLK/Processors/RegisterSizes.hpp
2019-03-10 17:27:34 -04:00

40 lines
678 B
C++

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