Diff is a file compare utility specialy designed for PCOM.

Usage:

DIFF ORIGINAL.EXE NEWVERSION.EXE

Will show the differences between ORIGINAL.EXE and NEWVERSION.EXE on your screen.

DIFF ORIGINAL.EXE NEWVERSION.EXE /s

Will show the differences between ORIGINAL.EXE and NEWVERSION.EXE on your screen and will generate a file called DIFF.SRC with the source code of how to patch the ORIGINAL.EXE so that it's the same as NEWVERSION.EXE.

Options:

• /s for the PCOM-source outputfile (DIFF.SRC);
• /p for a pause after each screenful of information.

Previous versions created the following code:

>0000:0001
'90
>0000:0002
'90


The current version has some more intelligence and creates the following output file:

>0000:0001
'9090