Documentation

Clear Carry Flag

https://www.nesdev.org/obelisk-6502-guide/reference.html#CLC

Clear Decimal mode flag

https://www.nesdev.org/obelisk-6502-guide/reference.html#CLD

Clear Interrupt Disable

https://www.nesdev.org/obelisk-6502-guide/reference.html#CLI

Clear Overflow Flag

https://www.nesdev.org/obelisk-6502-guide/reference.html#CLV

Set Carry Flag

https://www.nesdev.org/obelisk-6502-guide/reference.html#SEC

Set Decimal mode flag

https://www.nesdev.org/obelisk-6502-guide/reference.html#SED

Set Interrupt Disable

https://www.nesdev.org/obelisk-6502-guide/reference.html#SEI