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LDX: Difference between revisions

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'''LDX''' (Load X) is a 65x instruction that loads the [[X index register]].  In [[immediate addressing]] only, LDX is a total of 3 bytes long when the index registers are 16 bits wide.
'''LDX''' (Load X) is a 65x instruction that loads a value into the [[X index register]].  In [[immediate addressing]] only, LDX is a total of 3 bytes long when the index registers are 16 bits wide.


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

Revision as of 11:36, 25 July 2024

Basic Info
Addressing Mode Opcode Length Speed
Immediate A2 2/3 bytes 2 cycles*
Absolute AE 3 bytes 4 cycles*
Direct Page A6 2 bytes 3 cycles*
Absolute Indexed by Y BE 3 bytes 4 cycles*
Direct Page Indexed by Y B6 2 bytes 4 cycles*
Flags Affected
N V M X D I Z C
N . . . . . Z .

LDX (Load X) is a 65x instruction that loads a value into the X index register. In immediate addressing only, LDX is a total of 3 bytes long when the index registers are 16 bits wide.

Syntax

LDX #const
LDX addr
LDX dp
LDX addr, Y
LDX dp, Y
Cycle Penalties

See Also

External Links

Retrieved from "https://sneslab.net/mw/index.php?title=LDX&oldid=19080"