RTI RTI Return from interrupt RTI Operation: P from Stack, PC from Stack N V - B D I Z C From Stack +----------------+-----------------------+---------+---------+----------+ | Addressing Mode| Assembly Language Form| OP CODE |No. Bytes|No. Cycles| +----------------+-----------------------+---------+---------+----------+ | Implied/Stack | RTI | $40 | 1 | 6 | +----------------+-----------------------+---------+---------+----------+ 4510 Versions: +----------------+-----------------------+---------+---------+----------+ | Addressing Mode| Assembly Language Form| OP CODE |No. Bytes|No. Cycles| +----------------+-----------------------+---------+---------+----------+ | Implied/Stack | RTI | $40 | 1 | 6m | +----------------+-----------------------+---------+---------+----------+ m Subtract non-bus cycles when at 40 MHz