Solved

unit crt not working on pentium2

Posted on 1998-07-30
5
343 Views
Last Modified: 2010-04-16
on my new pentium2 300 Mhz computer (Vobis) I get the error- message 200 (division) by zero when using the unit crt. Even without calling any routine of crt. Are there updates available of Turbo Pascal Units for Pentium2 and where ?
Or is there another solution to run my Turbo Pascal Programs on a Pentium2 Computer.
0
Comment
Question by:akettl
5 Comments
 

Author Comment

by:akettl
ID: 1217206
Edited text of question
0
 
LVL 1

Accepted Solution

by:
ow earned 80 total points
ID: 1217207
Borland uses a 16 bit division when counting a loop within the initialization of the unit crt (for the delay routine).
On faster computers this produces an overflow (RE 200), as soon as crt is inserted anywhere with "uses".

If you own the RTL with source code CRT.ASM, you may correct  the routine and recompile the tpl files with Make.

A patch program for exe files can be found in http://www.heise.de/ct/ftp/pcconfig.shtml.

0
 
LVL 2

Expert Comment

by:omsec
ID: 1217208
to ow : is this only because the Delay-Proc ?
0
 
LVL 1

Expert Comment

by:ow
ID: 1217209
The overflow error is primarly not produced by the delay procedure but by the initialization routine of crt.
This initialization routine calls various subroutines to get information about screen resolution and other things. One of these subroutines counts the delay loop time, where the overflow error is produced.

The initialization routine of a unit is called as soon as the unit is inserted with "uses" anywhere in a program or another used unit.

0
 

Expert Comment

by:gstamell
ID: 1217210
the patch available from http://www.chesworth.com/pv/vault/v_bug_buster.htm works quite well, i have just tried it out on a pentium II Celeron 330A
0

Featured Post

Free Tool: Site Down Detector

Helpful to verify reports of your own downtime, or to double check a downed website you are trying to access.

One of a set of tools we are providing to everyone as a way of saying thank you for being a part of the community.

Question has a verified solution.

If you are experiencing a similar issue, please ask a related question

Suggested Solutions

Title # Comments Views Activity
Get TStatusBar text from another application - Delphi 7 4 1,956
Delphi 2007 printer setup problem 8 780
Delphi XE 5 - windows 3 885
problem when i try to pack my dll file with upx 9 78
This article explains the steps required to use the default Photos screensaver to display branding/corporate images
A project that enables an administrator to perform actions within a user session context not just at the time of login but any time later on day(s) or week(s) later.
Two types of users will appreciate AOMEI Backupper Pro: 1 - Those with PCIe drives (and haven't found cloning software that works on them). 2 - Those who want a fast clone of their boot drive (no re-boots needed) and it can clone your drive wh…

830 members asked questions and received personalized solutions in the past 7 days.

Join the community of 500,000 technology professionals and ask your questions.

Join & Ask a Question