Process control instructions in 8086 microprocessor

Process control instructions are the instructions which control the processor’s action by setting(1) or resetting(0) the values of flag registers. 

Following is the table showing the list of process control instructions: 

OPCODE	OPERAND	EXPLANATION	EXAMPLE
STC	none	sets carry flag to 1	STC
CLC	none	resets carry flag to 0	CLC
CMC	none	compliments the carry flag	CMC
STD	none	sets directional flag to 1	STD
CLD	none	resets directional flag to 0	CLD
STI	none	sets the interrupt flag to 1	STI
CLI	none	resets the interrupt flag to 0	CLI