ORA

"OR" Memory with Accumulator

Operation:  A V M -> A

N V - B D I Z C
/ . . . . . / .
Addressing ModeAssembly Language FormOP CODENo. BytesNo. Cycles
ImmediateORA #$FF$0922
ZeroPageORA $FF$0523
ZeroPage,XORA $FF,X$1524
AbsoluteORA $FFFF$0D34
Absolute,XORA $FFFF,X$1D34*
Absolute,YORA $FFFF,Y$1934*
(Indirect,X)ORA ($FF,X)$0126
(Indirect),YORA ($FF),Y$1125*

* Add 1 on page crossing
For penalty cycles on the 65816, check the desired addressing mode.