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Questions tagged [dos-exe]

16 bits DOS MZ executable file format

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32 votes
9 answers

Decompiling a 1990 DOS application

I have some crucial data written decades ago by an ancient 16bit DOS application. There are no docs, no source, and no information about the author. Just the 16 bit exe. I guess it's time for me to ...
ScumCoder's user avatar
  • 609
12 votes
3 answers

Reverse engineer an old DOS QBasic executable

I recently decided to try my hand at reverse engineer an old DOS text based game that was coded in QBasic. I found some info online about old DOS games disassembly but mostly for Wacom compiled C/C++ ...
ricardojoaoreis's user avatar
3 votes
2 answers

How to extract debug information from a DOS executable compiled with Watcom C/C++?

I have a DOS executable which has been compiled with Watcom C/C++ 10.0. That EXE has debug symbols inside. I was wondering if there is any tool that allow to dump or extract that debug information (...
tigrou's user avatar
  • 371
3 votes
3 answers

How to edit an .exe file without overwriting previous information

A qualifier - all I know of what I'm about to explain has been gathered from spending the last few hours researching to solve my problem, so forgive the naivety and clumsiness of a non-expert in this ...
Hashim Aziz's user avatar