Error 200 Turbo Pascal 7.0
here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the workings and policies of this site About Us Learn more about Stack Overflow the company Business Learn more about hiring developers or posting ads with us Stack Overflow Questions Jobs Documentation Tags Users Badges Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow is a community of 4.7 million programmers, just like you, helping each other. Join them; it only takes a minute: Sign up How to resolve “Error 200: Division by zero”? up vote 2 down vote favorite I've FreeDos OS installed on VirtualBox on a windows xp, dual core, host machine. I installed FreeDos because I wanted to run a Pascal code using Turbo Pascal. When I run the code, it throws error 'Error 200: Division by zero.'. How can I solve this? -Turbo Pascal 7.0, Free DOS 1.1, Virtual Box 4.3.6, Windows XP Service Pack 3 Host machine -This error is unfortunately caused by fast Pentium CPUs and I found a patch on the internet that will resolve the error. (www.filewatcher.com/m/bp7patch.zip.62550-0.html) Now the other problem is, when i was tracing the code, it hangs at 'RxWait procedure when trying to execute while not odd(port[RXTX + 5]) do;' uses crt; const { COM1: RS232 port address } RXTX = $3F8; { $2F8 if COM2: is used } ACK = 6; NAK = 21; ESC = 27; var dummy, checkSum : integer; key : char; protocol : integer; procedure InitComm; { Set baudrate to 9600, 8 bits, no parity, 1 stop bit } var i : integer; begin i := 1843200 div 9600 div 16; port[RXTX + 3] := $80; port[RXTX + 1] := hi(i); port[RXTX]:= lo(i); port[RXTX + 3] := 3; port[RXTX + 4] := $A; while odd(port[RXTX + 5]) do begin dummy := port[RXTX]; delay(10); end; end; { InitComm } procedure Tx(data : integer); { Transmit a character on serial channel } begin while port[RXTX + 5] and $20 = 0 do; port[RXTX] := data and $FF; end; { Tx } function RxWait : integer; { Waits for a character from serial channel } begin while not odd(port[RXTX + 5]) do; RxWait := port[RXTX]; end; { RxWait } procedure Tx2(data : integer); { Transmit a char on serial channel + Calculate check sum } begin Tx(data); checkSum := (checkSum + data) and $FF; end; { Tx2 } procedure TxCommand(c1, c2 : char; sendCheckSum : boolean); { Transmit command (no data) on serial channel } begin Tx(ESC); checkSum := 0; Tx2(ord(c1)); Tx2(ord(c2)); if sendCheckSum then begin Tx2(checkSum); dummy := RxWait; end; end; { TxCommand } function ReadNumber(n : integer) : real; { Read n bytes from serial channel } var number: real; i : integer; begin number := 0; checkSum := 0;
games running before you start asking questions. Topic locked 3 posts • Page 1 of 1 Fix "Error 200" (Divide by zero) - by Snover and Stiletto, with thanks to edelbeb by Snover » 2002-7-26 @ 00:40 If you're trying to play an old game and it was written in Turbo Pascal, chances are, on any machine over 200MHz, you will get an Error 200 (Divide by zero error). This program corrects the problem by patching your executable. From the readme... ctbppat v1.2 © Andreas Stiller [April 2000]ctbppat fixes programs coded in Borland Pascal that cause runtime http://stackoverflow.com/questions/21647352/how-to-resolve-error-200-division-by-zero error 200 on systems with clock speeds of over 200MHz. This error occurs due to incorrect initialisation of the DELAY counter.ctbppat is also a universal EXE scanner, monitor, and patcher. It supports the usual EXE formats -- MZ for DOS; NE for OS/2, DPMI, and Windows 3.11; and PE for 32-bit environments -- and can detect the language with which the file was created. Running "bppatch *.* /s http://www.vogons.org/viewtopic.php?t=93 [/p]" will list all file formats in the current directory.If you use the switches /NE, /MZ, or /PE, ctbppat will be restricted to the respective EXE format. This will increase the speed with which it can analyse files. Running in pure DOS mode with SmartDrive (if possible) will also increase analysation speed.If ctbppat finds an executable made with Borland Pascal 7.0, it will examine the file further to determine if it uses an original or changed CRT unit, whether this unit is already patched, and whether the DELAY function is called at all. (If it is not, patching is unnecessary.)Depending on the result of this examination, ctbppat may offer to patch the file. If the DELAY function is used, it can be fixed by using a different delay routine that should function properly up to ~4GHz.To do this, the BREAK routine in the CRT unit is shortened and the delay code patched into the free space.If DELAY is not used, the divisor is simply increased to 65535. This will prevent DELAY from operating; however, this will ensure that the program is able to run (theorhetically) on a 300GHz CPU.If the CRT unit has been changed, but contains the same incorrect initialisation, ctb
había bastante gente consultándolo.Voy a empezar la sección de Pascal hablando del RUNTIME ERROR 200 del Turbo Pascal y del Borland Pascal. Seguro que alguna vez te bajaste algún programa que funciona bajo DOS, y funcionaba bien en tu ordenador viejo, pero al probarlo en https://sites.google.com/site/chanyfic/pascal un ordenador más rápido ponía algo así como RUNTIME ERROR 200 AT XXXX:YYYY. Esto se debe http://www.programmersheaven.com/discussion/17674/error-200-division-by-zero a que cuando la gente de Borland programó el Turbo/Borland Pascal, los ordenadores no eran tan rápidos como los de ahora. Me explico: En pascal se pueden usar 'units', que viene a ser algo así como los #include
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