Daa-arithmetic instruction-microprocessor, Assembly Language

Assignment Help:

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 :

1524_DAA1.jpg

1130_DAA2.jpg

The instruction DAA affects CF, AF, ZF, and PF flags. The OF is not defined.


Related Discussions:- Daa-arithmetic instruction-microprocessor

Write program that will generate array of ten random number, 1. Write a pro...

1. Write a program that will generate an array of ten random 32-bit integers, and that will  display on the monitor the numbers followed by either the words " has the fourth bit se

Project, need some project ideas

need some project ideas

The processor 8088-microprocessor, The processor 8088 The launching of ...

The processor 8088 The launching of the processor 8086 is consider as a remarkable step in the development of high speed computing machines. Before the introduction  of 8086 mo

First generation microprocessor, 1 st Generation Microprocessor : At ...

1 st Generation Microprocessor : At the end of the 70s a group of engineers developed a chip is able to processing data. This chip was called processor chip. Big processors w

Write a program that will input a number from the keyboard, Write a program...

Write a program that will input a number from the keyboard, and then display the number in binary form, as well as the number of one's in the number. Hint: Shift the value left (or

Prepare the assembly code sequence, Problem (a) Prepare the assembly c...

Problem (a) Prepare the assembly code sequence for each of the four styles (accumulator, memory-memory, stack, load/store) of machine for the code fragment: A = B + C;

Memory interface-microprocessor, Memory Interface              ...

Memory Interface                                                                  Figure: Memory Modulation design The memory of a computer contain of number of memo

Schematic circuit diagram of system, Perform an extensive web search of pop...

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

Assembly HW help, I was wondering if you guys could offer me some advice an...

I was wondering if you guys could offer me some advice and help on how to proceed - not answers- for a homework problem I am attempting. I am currently working on a "bomb" project

Assembly language, how to find out the given number is positive or negative...

how to find out the given number is positive or negative?

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd