CPX CPX Compare Memory and Index X CPX N Z C I D V Operation: X - M / / / . . . (Ref: 7.8) +----------------+-----------------------+---------+---------+----------+ | Addressing Mode| Assembly Language Form| OP CODE |No. Bytes|No. Cycles| +----------------+-----------------------+---------+---------+----------+ | Immediate | CPX #$FF | $E0 | 2 | 2 | | Zero Page | CPX $FF | $E4 | 2 | 3 | | Absolute | CPX $FFFF | $EC | 3 | 4 | +----------------+-----------------------+---------+---------+----------+