LDA

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Load Accumulator With Memory
Opcode: LDA
Operation: A + M + C → A, C
Status Register: Status-List.png
Status-Change.pngStatus-Space.pngStatus-Change.pngStatus-Space.pngStatus-Change.pngStatus-Space.pngStatus-Ignore.pngStatus-Space.pngStatus-Ignore.pngStatus-Space.pngStatus-Change.png
Addressing Mode Assembly Language Form Opcode # Bytes # Cycles
Immediate LDA #Operand A9 2 2
Zero Page LDA Operand A5 2 3
Zero Page, X LDA Operand, X B5 2 4
Absolute LDA Operand AD 3 4
Absolute, X LDA Operand, X BD 3 4*
Absolute, Y LDA Operand, Y B9 3 4*
(Indirect, X) LDA (Operand, X) A1 2 6
(Indirect), Y LDA (Operand), Y B1 2 5*
* Add 1 if page boundary is crossed.

LDA (Load Accumulator With Memory)