CPU-Processor-Simulator/Shifter.java at main · Harri1118/CPU-Processor-Simulator · GitHub

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public class Shifter {
    public static void LeftShift(Word32 source, int amount, Word32 result) {
        int i = 0;
        Word32 sourceCopy = new Word32();
        source.copy(sourceCopy);
        while(i < amount){
            for(int n = 0; n < 32; n++){
                if(n < 31){
                    Bit b = new Bit(false);
                    sourceCopy.getBitN(n+1, b);
                result.setBitN(n, b);
                }
                else
                    result.setBitN(31, new Bit(false));
            }
            sourceCopy = result;
            i++;
        }
        if(amount == 0)
            source.copy(result);
    }

    public static void RightShift(Word32 source, int amount, Word32 result) {
        int i = 0;
        Word32 sourceCopy = new Word32();
        source.copy(sourceCopy);
        while(i < amount){
            for(int n = 31; n > 0; n--){
                if(n > 0){
                    Bit b = new Bit(false);
                    sourceCopy.getBitN(n-1, b);
                    result.setBitN(n, b);
                }
                else
                    result.setBitN(0, new Bit(false));
            }
            sourceCopy = result;
            i++;
        }
    }
}