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

Logical instruction-microprocessor, Logical Instruction : This type of...

Logical Instruction : This type of instructions is utilized for carrying out the bit by bit shift, basic logical operations or rotate. All of the condition code flags are affe

Comparison between 8086 and 8088, Comparison between 8086 and 8088 All ...

Comparison between 8086 and 8088 All the changes in 8088 above 8086 are indirectly or directly related to the 8-bit, 8085 compatible data and control bus interface. 1) The p

8088 associated with 8259 a-microprocessor, For an 8088 the 2 addresses lin...

For an 8088 the 2 addresses linked with an 8259A are normally consecutive, and the AO line is associated to the AO pin, but because there are just 8 data pins on the 8259A and the

Program on virtual learning environment, Task One Produce a menu such a...

Task One Produce a menu such as the one below (remember to keep to this specification). M E N U 1, Enter Number 1 2, Enter Number 2 3, Display num1 and num2 4, D

Matlab?., Hello, I just want to know how much would it cost for you to deve...

Hello, I just want to know how much would it cost for you to develop , debug and test a program in matlab to solve a system of equations with gauss elimination with partial pivotin

Cache memory-microprocessor, Cache Memory Caching is a technology based...

Cache Memory Caching is a technology based on the memory subsystem of any computer. The majoraim of a cache is to accelerate the computer while keeping the cost of the computer

Write a program, write a program that calculates the fibonacci series: exce...

write a program that calculates the fibonacci series: except for the first two numbers in the sequence

Digital and embedded software, hi!im looking for someone who expert in an a...

hi!im looking for someone who expert in an assembly language and help me write the programmed!Thank you

Tabular comparison for micro processors parameters, Tabular comparison for ...

Tabular comparison for µ PS' Parameters Tables (a) and (b) list the characteristic of Intel microprocessor. Table(a):   Table(b): It has a 64 bit da

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