Solved

Writing a master boot record

Posted on 1998-12-14
2
157 Views
Last Modified: 2010-04-27
Can anyone give me some clues (or links on the world wide web) on how to place code into the master boot record using assembly language?
0
Comment
Question by:gerrymun
2 Comments
 
LVL 10

Accepted Solution

by:
rbr earned 50 total points
ID: 1131016
use int 13h

for reading

ah=02
dl=Number of disc (c: = 80h)
dh=0
ch=cylinder (1)
cl=sektor(0)
al=number of sectors (1)
ES:BX pointer where to store data

for writing

ah=03
dl=Number of disc (c: = 80h)
dh=number of head (0)
ch=cylinder (1)
cl=sektor(0)
al=number of sectors (1)
ES:BX pointer where the data is

0
 
LVL 3

Expert Comment

by:vikiing
ID: 1131017
Hey, Gerrymum !!; ¿what kinda virus you're trying to do?
0

Featured Post

Announcing the Most Valuable Experts of 2016

MVEs are more concerned with the satisfaction of those they help than with the considerable points they can earn. They are the types of people you feel privileged to call colleagues. Join us in honoring this amazing group of Experts.

Question has a verified solution.

If you are experiencing a similar issue, please ask a related question

I use more than 1 computer in my office for various reasons. Multiple keyboards and mice take up more than just extra space, they make working a little more complicated. Using one mouse and keyboard for all of my computers makes life easier. This co…
A clone is a duplicate copy. Sheep have been cloned and maybe someday even people will be cloned, but disk cloning (performed by the hard drive cloning software) is a vital tool used to manage and protect data. Let’s look at what hard drive cloning …
This video shows how to use Hyena, from SystemTools Software, to bulk import 100 user accounts from an external text file. View in 1080p for best video quality.
Nobody understands Phishing better than an anti-spam company. That’s why we are providing Phishing Awareness Training to our customers. According to a report by Verizon, only 3% of targeted users report malicious emails to management. With compan…

685 members asked questions and received personalized solutions in the past 7 days.

Join the community of 500,000 technology professionals and ask your questions.

Join & Ask a Question