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Editor to share with you how to build x86 assembly DOS programming environment, I believe that most people do not know much about it, so share this article for your reference, I hope you can learn a lot after reading this article, let's go to know it!

Introduction of related tools DOSBOX

This software simulates the DOS environment on PC. As you can see from the official website, there are Windows versions and Linux versions.

The latest windows version, DOSBox0.74-3-win32-installer.exe, I already put in the dial.

When installing, all can be done by default, and shortcuts will be created on the desktop

Assembler kit

With the DOS environment, you also need tools such as assembly, linking, and so on. The DOS tools.rar I gave packaged a series of tools.

My assembly kit is located in the root directory of the D disk called DOS

MASM.EXE: macro assembler, assemble source code, generate object file (.OBJ) LINK.EXE: link program, connect object file (.OBJ), library file (.Lib), link to executable file (.exe) CREF.EXE: cross-reference program, process symbol cross-reference file (.CRF), generate symbol cross-list file (.ref) LIB.EXE: library manager It is used to establish subroutine library DEBUG.EXE: debug program for code debugging TD.EXE: debugging project, for code debugging. It is recommended to use the code editing software HELLO.ASM under EDIT.EXE, EDIT.COM, EDLIN.COM:DOS environment HELLO.ASM: output HELLO WORLD code HELLO.EXE:HELLO WORLD compiled and generated executable file

The use of DOSBOX

After installation, as shown in the picture, two windows will pop up after opening, notice that either of these two will be turned off, and the program will exit immediately.

Next, mount your assembly kit directory to disk C, then enter disk C, and my assembly kit is placed in the DOS directory of disk D.

Note that all commands under DOSBOX are case-insensitive

Mount c d:\ dos

C:

At this time, the C disk is the DOS directory of my D disk. You can use the DIR command to view the directory structure.

Compilation

Edit the code with editing software on the computer

Then call MASM.EXE to assemble, in a simple way here (discussed in more content books)

MASM HELLO

Connect

The connection is also in a simple way

LINK HELLO

Execution

Just enter the program name directly on the command line

Debug

TD HELLO.EXE

These are all the contents of the article "how to build an x86 assembly DOS programming environment". Thank you for reading! I believe we all have a certain understanding, hope to share the content to help you, if you want to learn more knowledge, welcome to follow the industry information channel!

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