Tools.h

/*
    File:   Tools.h
    Desc:   Declarations for utility functions used in
            Y86 simulator.
*/    
#ifndef TOOLS_H
#define TOOLS_H
#include <cstdint>

namespace Tools {
        uint64_t getBits(unsigned low, unsigned high, uint64_t source);
        uint64_t setBits(unsigned low, unsigned high, uint64_t source);
        uint64_t clearBits(unsigned low, unsigned high, uint64_t source);

        uint64_t assignOneBit(unsigned bitNum, unsigned bitVal, uint64_t source);

        uint8_t getByteNumber(unsigned byteNum, uint64_t source);
        uint64_t putByteNumber(unsigned byteNum, unsigned char byteVal, 
                                   uint64_t source);
        uint64_t buildWord(unsigned char b0, unsigned char b1,unsigned char b2, unsigned char b3,
                                  unsigned char b4, unsigned char b5,unsigned char b6, unsigned char b7);
        bool isNegative(uint64_t source);
        void expandBits(uint64_t source, char bits[72]);
        void clearBuffer(char * pbuf, int size);
}

#endif