DOS ain't dead

Decompiling an old custom dos executable file (Users)

posted by PGN_DOS88, 31.07.2023, 23:28
(edited by PGN_DOS88 on 01.08.2023, 01:54)

I have an old custom dos program going back to about 1989. From what I recollect it was created in the dBase language and compiled with an old version of Clipper.

The problem is I can't decompile it with any version of Valkyrie, because it can't find the clipper signature in the file. I am assuming it must of been protected in some way.

Does anyone know of any way to decompile with this being the case, or perhaps to use another way of disassembly even if it only results in partial success of source code recovery, which I might be able to patch or fix up.

Complete thread:

• Decompiling an old custom dos executable file - PGN_DOS88, 31.07.2023, 23:28 (Users)
  • Decompiling an old custom dos executable file - Laaca, 01.08.2023, 06:25
    • Decompiling an old custom dos executable file - dggionco, 01.08.2023, 13:32
      • Decompiling an old custom dos executable file - Guti, 01.08.2023, 14:55
        • Decompiling an old custom dos executable file - bocke, 19.08.2023, 12:22
  • Decompiling an old custom dos executable file - PGN_DOS88, 01.08.2023, 17:33
    • Decompiling an old custom dos executable file - PGN_DOS88, 15.08.2023, 01:55
      • Decompiling an old custom dos executable file - bocke, 19.08.2023, 12:43
        • Decompiling an old custom dos executable file - PGN_DOS88, 20.08.2023, 19:16