CLI

Clear Interrupt Disable Flag

Opcode: CLI Operation: 0 → I Status Register:

CLI (Clear Interrupt Disable Flag) clears the Interrupt Flag in the Processor Status Register by setting the 2nd bit 0. To set the interrupt disable flag, use SEI.

Operation

This pseudo C code shows how the CLI opcode functions when it is executed.

SET_INTERRUPT((0));           // Set the 2nd bit of the processor status to 0.

Addressing Modes

Addressing Mode	Assembly Language Form	Opcode	# Bytes	# Cycles
Implied	CLI	58	1	2