SAHF STORE REGISTER AH SAHF
INTO FLAGS
Operation: | Flags Affected: |
I | AF, CF, PF, SF, ZF |
(SF):(ZF):X:(AF):X:(PF):X:(CF) - (AH) |
Description:
SAHF
SAHF (store register AH into flags) transfers bits 7, 6, 4, 2 and 0 from register AH into SF, ZF, AF, PF and CF, respectively, replacing whatever values these flags previously had. OF, DF, IF and TF are not affected. This instruction is provided for 8080/8085 compatibility.
Encoding:
1100111101
SAHF Operands Clocks Transfers Bytes SAHF Coding Example
(no operands) | 4 | - | 1 | SAHF |
