XCE XCE Exchange Carry and Emulation Bits XCE 65816 only! N V M X D I C Z Operation: . . . . . . / . +----------------+-----------------------+---------+---------+----------+ | Addressing Mode| Assembly Language Form| OP CODE |No. Bytes|No. Cycles| +----------------+-----------------------+---------+---------+----------+ | Implied | XCE | $FB | 1 | 2 | +----------------+-----------------------+---------+---------+----------+