PHZ PHZ Push Index Z on Stack PHZ N V M X D I Z C Operation: Z-Ws, S-2 -> S . . . . . . . . 4510 Versions: +----------------+-----------------------+---------+---------+----------+ | Addressing Mode| Assembly Language Form| OP CODE |No. Bytes|No. Cycles| +----------------+-----------------------+---------+---------+----------+ | Implied/Stack | PHZ | $DB | 1 | ? | +----------------+-----------------------+---------+---------+----------+