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PHX

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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