what do these 8086 instructions dostd-set


What do these 8086 instructions do?

STD-Set  Direction Flag. when the instruction is implemented ,the direction flag of 8086 is set to 1.

IRET-Interrupt Return. This instruction is used to terminate an interrupt service procedure and transfer the program control back to key program.

 

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Electrical Engineering: what do these 8086 instructions dostd-set
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