STC—Set Carry FlagInstruction Operand EncodingDescriptionSets the CF flag in the EFLAGS register. Operation is the same in all modes.OperationCF := 1;Flags AffectedThe CF flag is set. The OF, ZF, SF, AF, and PF flags are unaffected.Exceptions (All Operating Modes)#UD If the LOCK prefix is used.OpcodeInstructionOp/ En64-Bit ModeCompat/Leg ModeDescriptionF9STCZOValidValidSet CF flag.Op/EnOperand 1Operand 2Operand 3Operand 4ZONANANANA
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