registers.h

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#ifndef INCLUDE_REGISTERS_H_
#define INCLUDE_REGISTERS_H_
 
#include <cstdint>
#include "memory.h"
 
namespace mixal {
 
using Register5 = ComputerWord;
 
struct Register2 {
    bool negative;
    uint8_t byte1;
    uint8_t byte2;
 
    Register2();
    explicit Register2(int16_t value);
    Register2(bool _negative, uint8_t _byte1, uint8_t _byte2);
    Register2(char sign, uint8_t _byte1, uint8_t _byte2);
 
    inline void reset() {
        negative = false;
        byte1 = byte2 = 0;
    }
 
    uint8_t operator[](int index) const;
    uint16_t bytes12() const;
    int16_t value() const;
 
    void set(int16_t value);
    void set(int index, int8_t val);
    void set(bool negative, uint8_t byte1, uint8_t byte2);
    void set(char sign, uint8_t byte1, uint8_t byte2);
};
 
};  // namespace mixal
 
 
#endif  // INCLUDE_REGISTERS_H_