BP 7.0 CRT bug

Posted on 1998-04-14
Last Modified: 2012-06-21
Running DOS programs on fast PC's cause a runtime error 200, Division by Zero error, when the CRT unit is used and the program is compiled using BP 7.0. The problem is independent of using actual CRT functionality. According Borland this is a known problem, but they don't support the product any longer.

There should however be a non-Borland patch out somewhere fixing the problem.
Can anyone please guide me to the patch?
Question by:myhrer
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Expert Comment

ID: 1217461
I heard of that problem. Do you run a PII ? These CPUs are different constructed, so you'll have problems. There are Freeware CRT Units avaiable in SWAG or if you searche for CRT.TPU at Just overwrite your original CRT in \UNITS of your TP/BP - Directory and re-compile your program. You should watch that the new CRT works with exactly same procedure, so that you dont need to do any changes in your sources, but usually they are same.

Author Comment

ID: 1217462
Yes, I run PII.
I have search for both SWAG and CRT.TPU at
Can you be more precise?

Expert Comment

ID: 1217463
what you need is an exactly "copy" of the CRT.TPU - Unit. Borland didnt release that as i know, but u may get a such unit from other programmers for free. I think swag should have that. or there is a big lib at
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Author Comment

ID: 1217464
Yes I found a patch at
I would like to give omsec the well earned 200 points, but then please resend the comment as answer. I don't find out how to back my rejected answer and approve your answer.
Thanks a lot! By the way, what is swag?

Expert Comment

ID: 1217465
swag stand for Source Ware Archive Group

Accepted Solution

omsec earned 200 total points
ID: 1217466
what you need is an exactly "copy" of the CRT.TPU - Unit. Borland didnt
     release that as i know, but u may get a such unit from other
     programmers for free. I think swag should have that. or there is a big lib

;) greets, omsec

Author Comment

ID: 1217467
Thanks for all help!

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