PHA PHA Push accumulator on stack PHA Operation: A to Stack N Z C I D V . . . . . . (Ref: 8.5) +----------------+-----------------------+---------+---------+----------+ | Addressing Mode| Assembly Language Form| OP CODE |No. Bytes|No. Cycles| +----------------+-----------------------+---------+---------+----------+ | Implied | PHA | $48 | 1 | 3 | +----------------+-----------------------+---------+---------+----------+