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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 EXPLPANATION 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


This article is attributed to GeeksforGeeks.org

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