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PHX: Difference between revisions

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'''PHX''' is a [[65c816]] instruction that pushes the value of the [[X index register]] onto the [[stack]]. PHX takes one additional cycle if the index registers are 16 bits wide.
'''PHX''' is a [[65c816]] instruction that pushes the value of the [[X index register]] onto the [[stack]].
 
===== Cycle Penalty =====
* PHX takes one additional cycle if the index registers are 16 bits wide.


=== See Also ===
=== See Also ===

Revision as of 04:55, 25 November 2023

Basic Info
Addressing Mode Opcode Length Speed
Stack (Push) DA 1 byte 3 cycles*
Flags Affected
N V M X D I Z C
. . . . . . . .

PHX is a 65c816 instruction that pushes the value of the X index register onto the stack.

Cycle Penalty
  • PHX takes one additional cycle if the index registers are 16 bits wide.

See Also

External Links

Retrieved from "https://sneslab.net/mw/index.php?title=PHX&oldid=10696"