opcode op_d9 = new opcode() { public void handler()/* EXX			  */
    { 
        PAIR tmp = new PAIR();
        tmp = Z80.BC; Z80.BC = Z80.BC2; Z80.BC2 = tmp;
        tmp = null; //null it just in case
        tmp = new PAIR();
        tmp = Z80.DE; Z80.DE = Z80.DE2; Z80.DE2 = tmp;
        tmp = null;
        tmp = new PAIR();
        tmp = Z80.HL; Z80.HL = Z80.HL2; Z80.HL2 = tmp;
        tmp=null;
    }}