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Thread View: borland.public.vdbase.thirdpartytools
2 messages
2 total messages Started by Bill Vance Mon, 23 Nov 1998 00:00
Decompile???
#96
Author: Bill Vance
Date: Mon, 23 Nov 1998 00:00
13 lines
902 bytes
Hi..

I have a program that is written in dbase IV and compiled. The person who
purchased the program does not have the source code and the company that
wrote the program no longer exists.

Is there a tool that will allow me to decompile the code? So I can recompile
under a windows version?

When I run it under Windows NT 4.0 it won't run..."file already open" error.
Is there some way I can get it to run?

Any help will be greatly appreciated...
Re: Decompile???
#101
Author: Gary Thoenen
Date: Wed, 25 Nov 1998 00:00
53 lines
2998 bytes
Bill Vance wrote:
> Is there a tool that will allow me to decompile the code? So I can recompile
> under a windows version?
>  
> When I run it under Windows NT 4.0 it won't run..."file already open" error.
> Is there some way I can get it to run?

Bill - There's no tool to decompile dBASE code, but there is -- or was -- a 
service that promised to do so.  See below.  However, the error message 
suggest you're running into another problem.

Versions of dBASE IV earlier than the final build (xx71) of dBASE IV - 1.5 
produced this error when attempting to index or sort on computers running 
faster than about 33 MgHz.  Your options seem to be:

  - Upgrade to build xx71 of dBIV-1.5 or any build of dBIV-2.0 or dBASE 5.0 
for DOS.  Unfortunately, none of these are still sold by Inprise.  One or 
another might be available from a software distributer or from a former user.
  - Slow down your computer to 33 MgHz, or use one that runs at that speed (or 
slower).
  - Try a TSR/BIN called IDXFIX.  This was not provided or recommended by 
Borland/Inprise (or TeamB), so you use it at your own risk.  Some who have 
tried it say it has worked for them, others say it hasn't worked.
  - Try to run your app in Visual dBASE 5.6.  You will have to convert at 
least your reports to make this work at all, and you will probably need to do 
much more to get something even marginally satisfactory using your old code.
  - Learn to work in Visual dBASE (it's a very different programming world 
from dBASE/DOS), then redesign and rewrite your app from scratch for the new 
environment.  For this, you should probably skip VdB 5.6 and start with the 
current version, Visual dBASE 7.01.

If you still want to try decompiling your dBASE/DOS code: Some years ago an 
outfit in England called 4 D Concepts offered a decompile service.  I don't 
know how well it worked, or if they are still in business.

Their email address at that time was:
  
  100040.366@compuserve.com

If that no longer works, their mail address was:

        4 D Concepts Limited
        PO Box 1221
        MARLOW
        Bucks SL7 1WB
        United Kingdom

They posted a more detailed description of their service, which I 
would be glad to email to you if you wish.  However, it would seem 
to make more sense to see if they're still in business, and if so 
to ask them directly what their current offerings might be.

-- Gary Thoenen (TeamB)
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