HOW TO INSTALL & USE DOSBOX

TUTORIAL

HOW TO INSTALL & USE DOSBOX ON  64-BIT OPERATING SYSTEM

FIRST OF ALL

We have to download DOSBOX application from LMS site.

We have already installed NASM assembler in 

C:\ directory

Our first code “ex01.asm” has been saved in the “C:\assembly” directory

After installing DOSBOX, You will get a DOSBOX shortcut on your desktop.

After opening DOSBOX, you will get an interface like this.

First of all, you have to mount the c:\assembly folder.

For that you have to type

“mount m: c:\assembly”

And press enter

Now C:\assembly has been mounted on m: drive

Now change your current directory to m:

You have to write “m:” and press enter

Current directory has been changed from Z: to M:

Now we are going to assemble our first code that we have saved in C:\assembly drive named as “ex01.asm”

Just type the command

“nasm ex01.asm –o ex01.com –l ex01.lst”

And press enter.

Debugger has been opened

After assembling “ex01.asm”. 

“ex01.com” and “ex01.lst” files has been created

In order to view you “ex01.lst” file

We have to use “type” command

EDIT COMMAND

In case of DOSBOX, if you want to make some changes in “.lst” file using “edit” command as we did in pure NASM. You have to make changes in main “.asm” file.

For example:

If you want to edit “ex01.lst” you have to edit manually “ex01.asm”.

Thank You!

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