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Push

Stack push operations

Table of Contents

Instructions
SyntaxOpcode Available on: # of # of Addressing Mode
(hex) 6502 65C02 65816 bytes cycles
PEA addrF4 x 3 5 Stack Absolute
PEI (dp)D4 x 2 61 Stack Direct Page Indirect
PER label62 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:

  1. Add 1 cycle if low byte of Direct Page register is other than zero (DL<>0)
  2. 65816: Add 1 cycle if m=0 (16-bit memory/accumulator)
  3. 65816: Add 1 cycle if x=0 (16-bit registers)