SMB4 Set bit 4 of indicated address SMB4 4510 Versions: Operation: M(4) <- 1 N V - B D I Z C . . . . . . . . +----------------+-----------------------+---------+---------+----------+ | Addressing Mode| Assembly Language Form| OP CODE |No. Bytes|No. Cycles| +----------------+-----------------------+---------+---------+----------+ | ZeroPage | SMB4 $FF | $C7 | 2 | ? | +----------------+-----------------------+---------+---------+----------+