LDA
Load Accumulator With Memory
Operation: M -> A
N V - B D I Z C / . . . . . / .
| Addressing Mode | Assembly Language Form | OP CODE | No. Bytes | No. Cycles |
|---|---|---|---|---|
| Immediate | LDA #$FF | $A9 | 2 | 2 |
| ZeroPage | LDA $FF | $A5 | 2 | 3 |
| ZeroPage,X | LDA $FF,X | $B5 | 2 | 4 |
| Absolute | LDA $FFFF | $AD | 3 | 4 |
| Absolute,X | LDA $FFFF,X | $BD | 3 | 4* |
| Absolute,Y | LDA $FFFF,Y | $B9 | 3 | 4* |
| (Indirect,X) | LDA ($FF,X) | $A1 | 2 | 6 |
| (Indirect),Y | LDA ($FF),Y | $B1 | 2 | 5* |
* Add 1 if page boundary is crossed.
For penalty cycles on the 65816, check the desired addressing mode.