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TSX: Difference between revisions

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'''TSX''' (Transfer Stack Pointer to X) is a 65x instruction that transfers the value of the [[stack pointer]] to the [[X index register]].
'''TSX''' (Transfer Stack Pointer to X) is a 65x instruction that transfers the value of the [[stack pointer]] to the [[X index register]].


If X is only 8 bits wide then only the low byte of the stack pointer is transferred. Otherwise, all 16 bits are transferred.
* If X is only 8 bits wide then only the low byte of the stack pointer is transferred.
* Otherwise, all 16 bits are transferred.


==== Syntax ====
==== Syntax ====

Revision as of 02:24, 1 August 2024

Basic Info
Addressing Mode Opcode Length Speed
Implied (type 1) BA 1 byte 2 cycles
Flags Affected
N V M X D I Z C
N . . . . . Z .

TSX (Transfer Stack Pointer to X) is a 65x instruction that transfers the value of the stack pointer to the X index register.

  • If X is only 8 bits wide then only the low byte of the stack pointer is transferred.
  • Otherwise, all 16 bits are transferred.

Syntax

TSX

See Also

External Links