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LDA

LDA Load accumulator with memory

LDA

Operation: M → A N Z C I D V
/ / _ _ _ _
(Ref: 2.1.1)
Addressing ModeAssembly Language FormOP CODENo. BytesNo. Cycles
Immediate LDA #Oper A9 2 2
Zero Page LDA Oper A5 2 3
Zero Page, X LDA Oper, X B5 2 4
Absolute LDA Oper AD 3 4
Absolute, X LDA Oper, X BD 3 4*
Absolute, Y LDA Oper, Y B9 3 4*
(Indirect, X) LDA (Oper, X) A1 2 6
(Indirect), Y LDA (Oper), Y B1 2 5*
* Add 1 if page boundary is crossed

LDX

LDX Load index X with memory

LDX

Operation: M → X N Z C I D V
/ / _ _ _ _
(Ref: 7.0)
Addressing ModeAssembly Language FormOP CODENo. BytesNo. Cycles
Immediate LDX # Oper A2 2 2
Zero Page LDX Oper A6 2 3
Zero Page, Y LDX Oper, Y B6 2 4
Absolute LDX Oper AE 3 4
Absolute, Y LDX Oper, Y BE 3 4*
* Add 1 if page boundary is crossed


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This page has been created by Sami Rautiainen.
Read the small print. Last updated December 07, 2002.