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.
MS-DOS 2.x - 4.x uses debug.com
MS-DOS 5.x and above uses debug.exe
The debug command is an external command and is available in the below Microsoft operating systems.
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 "Q" and enter
To execute the Debug routine you need to do "G" and enter
debug <press enter>
-D40:00 <TypeD40:00, and press enter>
Information about your computer ports would be displayed
-Q <Type Q, and press enter>