psp length

General clearing technology for computer virusesHttp://www.williamlong.info/archives/456.html This is the second article I wrote in a magazine 10 years ago. Published in the third phase of the 1997 microcomputer world. At that time, I was very

Wang defang Zhu Feng Wang defang Abstract: This article Program And. when the EXE program is loaded, different memory images are obtained :. the com program has only one physical segment. The maximum length of the segment is 64kb :. the com

First, the introduction: If you write a DOS application using a compiler such as turboc2.0/3.0 or borlandc3.x, writing an application in the form of a command-line argument is a very easy thing to do, as long as you add a few arguments to the main

  Virus writing is a kind of advanced technology. Real viruses are generally contagious, hidden (also known as latent), and destructive. There are also many types of viruses, such as viruses that infect executable files and macro viruses. However,

Teaching how to write viruses is a very sensitive topic. Will this cause virus flooding? Is it necessary to learn how to write viruses? This involves a problem. What is the cause of virus flooding? Is there too many people who write viruses, or are

The preparation of the virus is a kind of advanced technology, the real virus generally have: infectious, hidden (also known as latent), destructive. Now there are many kinds of viruses, such as the usual infection of executable files of viruses,

[Source] http://www.cnsharenet.com/DOS/f/dft/dexecom.htm     A com file is a memory image file of an executable program. It is similar to the executable program structure in the CP/M operating system of an 8-bit machine with only 16-bit address

(1) functions: 01 H, 07h, and 08 h Function Description: reads a character from a standard input device (for example, a keyboard. The interrupt will remain in the waiting state during the processing until the characters are readable. This input can

Abstract: This article describes how to write, install, and use interrupt service programs in C language. As hardware port read/write operations are involved in writing a hardware interrupt service program, you can directly deal with the hardware,

Compilation of interrupted service programs Chen Qingyang   -->   Summary: This