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DAA: Decimal Adjust Accumulator:- This instruction is utilized to convert the result of the addition operation of 2 packed BCD numbers to a valid BCD number. The conclusion has to be only in the AL. If the lower nibble is greater than 9, after addition opraction or if AF is set, it will add 06 to the lower nibble in the AL. After adding 06 in the lower nibble of the AL, if the upper nibble of AL is higher than 9 or if carry flag is set, DAA instruction adds 60H to the AL. The instance given below explain the instruction.
Example :
The instruction DAA affects CF, AF, ZF, and PF flags. The OF is not defined.
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Perform an extensive web search of popular microcontroller manufacturers (some of the major players) to select a suitable device for the system to control the lighting of a typical
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END : END of Program:- The END directive marks the ending of the assembly language program. When the assembler comes across this END directive, it avoided the source lines avai
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GROUP : Group the Related Segments:- The directive which is used to form logical groups of segments with same purpose or type. This isused to inform the assembler to form a log
LENGTH : Byte Length of a Label: This directive is not available in MASM. This is used to mention to the length of a data array or a string. MOV CX. LENGTH ARRAY This sta
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