Featured

    Featured Posts

Explain NOP and HLT instructions in 8086 microprocessor in detail.


Explain NOP and HLT instructions in 8086 microprocessor in detail.

NOP instruction :


Mnemonic
NOP : No operation
It does not affect any flag
Algorithm
DO nothing

Addressing Mode
Implied addressing mode


Operation : The execution of this instruction causes the CPU to do nothing.

  1. This instruction causes the CPU to do nothing. This instruction uses three clock cycles and increments the instruction pointer to point to the next instruction.
  2. It can be used to increase the delay of a delay loop.
HLT (Halt until interrupt or reset) Instruction :-

Mnemonic  Halt     Flags : No flags are affected.

Operation :
  1. The HLT instruction will cause the 8086 enters to stop fetching and executing instructions. The 8086 enters into a half state. To come out of the halt state, there are 3 ways given below. (a) Interrupt signal on INTR pin, (b) Interrupt signal on NMI pin, (c) Reset signal on rest pin.
  2. It may be used as an alternative to an endless software loop in situation where a program must wait for an interrupt.

34 comments

This comment has been removed by the author.



This is most informative and also this post most user friendly and super navigation to all posts... Thank you so much for giving this information to me.. 

angularjs Training in online

angularjs Training in bangalore

angularjs Training in bangalore

angularjs Training in btm

Reply

I read this post two times, I like it so much, please try to keep posting & Let me introduce other material that may be good for our community.
python training in OMR
python training in tambaram
python training in annanagar

Reply

Thanks for splitting your comprehension with us. It’s really useful to me & I hope it helps the people who in need of this vital information. 
Devops Training in pune

Reply

Really you have done great job,There are may person searching about that now they will find enough resources by your post
selenium training in electronic city | selenium training in electronic city

Reply

Wow it is really wonderful and awesome thus it is very much useful for me to understand many concepts and helped me a lot. it is really explainable very well and i got more information from your blog.

rpa training in velachery| rpa training in tambaram |rpa training in sholinganallur | rpa training in annanagar| rpa training in kalyannagar

Reply
This comment has been removed by the author.

Such an excellent and interesting blog, do post like this more with more information, This was very useful, Thank you.
Aviation Academy in Chennai
Air hostess training in Chennai
Airport management courses in Chennai
Ground staff training in Chennai

Reply

Amazing article. Your blog helped me to improve myself in many ways thanks for sharing this kind of wonderful informative blogs in live. I have bookmarked more article from this website. Such a nice blog you are providing ! Kindly Visit Us @ Best Travels in Madurai | Tours and Travels in Madurai | Madurai Travels

Reply

Home Mart is a site about Home Improvement, Furniture, Home Appliances and many more.
Check out the best
home office desks nz
coffee table nz
bookshelves
balance bike

Reply

Get the best nursing services baby care services medical equipment services and allso get the physiotherapist at home in Delhi NCR For more information visit our site

nursing attendant services in Delhi NCR
medical equipment services in Delhi NCR
nursing services in Delhi NCR
physiotherapist at home in Delhi NCR
baby care services in Delhi NCR

Reply

thanks for your information really good and very nice web design company in velachery

Reply

Post a Comment

www.CodeNirvana.in

www.posthatke.com. Powered by Blogger.
Copyright © www.posthatke.com | Blogger Templates | Designed By posthatke.com