Push
Stack push operations
Instructions
| Syntax | Opcode | Available on: | # of | # of | Addressing Mode | ||
|---|---|---|---|---|---|---|---|
| (hex) | 6502 | 65C02 | 65816 | bytes | cycles | ||
| PEA addr | F4 | x | 3 | 5 | Stack Absolute | ||
| PEI (dp) | D4 | x | 2 | 61 | Stack Direct Page Indirect | ||
| PER label | 62 | x | 3 | 6 | Stack PC Relative Long | ||
| PHA | 48 | x | x | x | 1 | 32 | Implied |
| PHB | 8B | x | 1 | 3 | Implied | ||
| PHD | 0B | x | 1 | 4 | Implied | ||
| PHK | 4B | x | 1 | 3 | Implied | ||
| PHP | 08 | x | x | x | 1 | 3 | Implied |
| PHX | DA | x | x | x | 1 | 33 | Implied |
| PHY | 5A | x | x | x | 1 | 33 | Implied |
Notes:
- Add 1 cycle if low byte of Direct Page register is other than zero (DL<>0)
- 65816: Add 1 cycle if m=0 (16-bit memory/accumulator)
- 65816: Add 1 cycle if x=0 (16-bit registers)
Last modified November 5, 2021: Add instruction categories (6b74ff9)