TRB TRB Test and Reset Bit TRB 65816 only! Operation: /A /\ W -> W N V M X D I C Z . . . . . . . / +----------------+-----------------------+---------+---------+----------+ | Addressing Mode| Assembly Language Form| OP CODE |No. Bytes|No. Cycles| +----------------+-----------------------+---------+---------+----------+ | Absolute | TRB $FFFF | $1C | 3 | 4 | | Direct Page | TRB $FF | $14 | 2 | 3 | +----------------+-----------------------+---------+---------+----------+