SAHF             Store Register AH into Flags        Flags: O D I T S Z A P C
                                                                    * * * * *
          Logic:    Flag-reg bits        AH bits
                      S Z A P C         7 6 4 2 0
 
    SAHF copies bits 7, 6, 4, 2, and 0 from the AH register into the Flags
    register, replacing the previous values of the Sign, Zero, Auxiliary
    Carry, Parity, and the Carry flags.
 
  --------------------------------------------------------------------------
   Operands                  Clocks   Transfers  Bytes   Example
   no operands                 4          -        1     SAHF
  --------------------------------------------------------------------------
 
       Notes:         The Overflow, Direction, Interrupt, and Trap flags
                      are not changed by this instruction.
 
                      This instruction is primarily used to provide upward
                      compatibility between the 8080/8085 family and the
                      8086 family.

Seealso:


 LAHF 
 PUSHF 
 POPF 
 Flags