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LDA: Difference between revisions

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'''LDA''' (Load Accumulator) is a 65x instruction that loads the accumulator.
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'''LDA''' (Load Accumulator) is a 65x instruction that loads the accumulator.


=== External Links ===
=== External Links ===

Revision as of 03:52, 13 July 2023

Basic Info
Addressing Mode Opcode Length Speed
immediate A9 2 bytes 2 cycles
absolute AD 3 bytes 4 cycles
absolute long AF 4 bytes 5 cycles
direct page A5 2 bytes 3 cycles
direct page indirect B2 2 bytes 5 cycles
direct page indirect long A7 2 bytes 6 cycles
absolute indexed by X BD 3 bytes 4 cycles
absolute long indexed by X BF 4 bytes 5 cycles
absolute indexed by Y B9 3 bytes 4 cycles
direct page indexed by X B5 2 bytes 4 cycles
direct page indexed indirect by X A1 2 bytes 6 cycles
direct page indirect indexed by Y B1 2 bytes 5 cycles
direct page indirect long indexed by Y B7 2 bytes 6 cycles
stack relative A3 2 bytes 4 cycles
stack relative indirect indexed by Y B3 2 bytes 7 cycles
Flags Clobbered
N V M X D I Z C
. . . . . .

LDA (Load Accumulator) is a 65x instruction that loads the accumulator.

External Links