DAA - 8086

Decimal adjust After Addition. Corrects the result of addition of two packed BCD values.
Algorithm
If lower nibble of AL > 9 or AF = 1 then :  AL=AL+6 & AF = 1
else if AL > 9Fh or CF = 1 then : AL = AL + 60h & CF = 1

Syntax

DAA

Example

MOV AL, 0Fh  ; AL = 0Fh (15)
DAA          ; AL = 15h
RET

Output / Return Value

Limitations

Alternatives / See Also

Reference