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LDY

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Basic Info
Addressing Mode Opcode Length Speed
Immediate A0 2 bytes 2 cycles*
Absolute AC 3 bytes 4 cycles*
Direct Page A4 2 bytes 3 cycles*
Absolute Indexed by X BC 3 bytes 4 cycles*
direct page indexed X B4 2 bytes 4 cycles*
Flags Affected
N V M X D I Z C
. . . . . .

LDY (Load Y) is a 65x instruction that loads the Y index register. In immediate addressing only, LDY takes a total of 3 bytes when the index registers are 16 bits wide.

Cycle Penalties

See Also

External Links