public void convertInstr_index(String instr_index){
        int i = Integer.parseInt(instr_index);
        String b = Integer.toBinaryString(i);
        char[] c = new char[((b.toCharArray().length > 26) ? 26 : b.toCharArray().length)];
        System.arraycopy(b.toCharArray(), ((b.toCharArray().length > 26) ? 26 : 0), c, 0, ((b.toCharArray().length > 26) ? 26 : b.toCharArray().length));
        for (int j = c.length - 1; j >= 0; j--) {
            if(c[j] == '1'){
                this.instr_index[this.instr_index.length - (c.length - j)] = true;
            }
        }
    }