Microsoft DOS debug command
Debug is a method of looking at portions of your computer and writing assembly code to perform certain tasks on your computer.
The debug command is an external command and is available in the below Microsoft operating systems. MS-DOS 2.x - 4.x use debug.com as the external file. MS-DOS 5.x and later and all versions of Windows that support this command above uses debug.exe as the external file.
DEBUG [[drive:][path]filename [testfile-parameters]]
|[drive:][path]filename||Specifies the file you want to test.|
|testfile-parameters||Specifies command line information required by the file you want to test.|
After debug starts, type ? to display a list of debugging commands.
To get out of debug, you need to type "Q" and press Enter.
To execute the debug routine, you need to type "G" and press Enter.
debug <press Enter>
-D40:00 <TypeD40:00, and press Enter>
Information about your computer ports is displayed.
-Q <Type Q, and press enter>