TSB TSB Test and Set Bit TSB 65816 only! Operation: A V W -> W N V M X D I C Z . . . . . . . / +----------------+-----------------------+---------+---------+----------+ | Addressing Mode| Assembly Language Form| OP CODE |No. Bytes|No. Cycles| +----------------+-----------------------+---------+---------+----------+ | Absolute | TSB $FFFF | $0C | 3 | 4 | | Direct Page | TSB $FF | $04 | 2 | 3 | +----------------+-----------------------+---------+---------+----------+