DOS ain't dead

Decompiling an old custom dos executable file (Users)

posted by PGN_DOS88, 01.08.2023, 17:33

> 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.

Don't know if this is any help but according to some info I was able to get out of Valkyrie using the analysis tool was that the linker used was: Phoenix plink86.

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