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Questions tagged [turbo-pascal]

Turbo Pascal is an old software development system including a compiler and an integrated development environment for the Pascal programming language running on CP/M, CP/M-86, and DOS.

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Dynamic array in Turbo Pascal

I am working on my school project and I would like to use Dynamic (not static) array. I worked with ObjectPascal, so I am used to some syntax. But now I am programming in the old TurboPascal (I am using Turbo Pascal 7 for Windows). It doesn't seem…
user7625212
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Read/Write to file on old IBM PS/2 in turbo pascal 5.5

The Question: I recently acquired a 1989 IBM PS2 and I am trying move large files from my newer UNIX-based machine to this IBM via floppy. I have a bash script that splits my files into ~2MB chunks, now I am trying to write a pascal program to…
Caleb Adams
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Terminate hanging program and return to Turbo Pascal 3

I am running Turbo Pascal 3.01A on CP/M 2.2. Suppose my Pascal program, which I run using the R menu option in Turbo Pascal, has a bug and goes into an infinite loop. Is there a special control character that will interrupt my program and return…
Vebjorn Ljosa
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Call graph for a turbo pascal program

I am doing some maintenance to a 18 year old pascal program. To help me understand how everything fits together I want to draw a call graph. However I cant find any software that can draw a call graph for pascal source. I am currently using Turbo…
Gerhard
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How to un-AssignCrt(Output)?

In TurboPascal program i took an advantage of DOS processed output and use Tab control character to form columns in the output: const Tab = #09; ... Writeln(X, Tab, F(X)); However, when i tried to add a pause-like functionality via ReadKey call and…
user1242199
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What does the name of the Turbo Pascal "crt" unit stand for?

"Cathode Ray Tube"? "C RunTime"? Neither makes much sense to me; something else entirely?
Brian Bi
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Converting Turbo Pascal inline code to Object Pascal

While converting old Turbo Pascal units to modern Object Pascal, I ran into the following: function Less (var a, b; Relation : POINTER) : boolean; inline($5B/$59/$0E/$E8/$00/$00/$58/$05/$08/$00/$50/$51/$53/$CB); The code is supposed to call an…
Engelbert Buxbaum
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Converting Turbo Pascal SOUND command to FireMonkey

I am converting a 30+ year old Turbo Pascal program to FireMonkey. One of the things that appears to have no equivalent is the SOUND command. I found elsewhere on StackOverflow that it can be replaced with the Windows beep (in VCL), but I need a…
Mad Martian
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Convert double to Pascal 6-byte (48 bits) real format

I need to do some work on data contained in legacy files. For this purpose, I need to read and write Turbo Pascal's 6-byte (48 bit) floating point numbers, from PHP. The Turbo Pascal data type is commonly known as real48 (specs). I have the…
Monika
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Spearmans rank with ties in pascal

I'm working on a project where I need to calculate the spearman's rank of some data, Currently my program can calculate the spearmans rank as long as their are no tied rankings. I would use an existing unit but I need to display the ranked values in…
Confused
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How to convert the I/O port access of Turbo Pascal for Win32 to C#.Net

I have a Coin Counter Machine(SC350/360) which connects to a computer via RS232C Interface. I've the technical documentation which describes the communication protocols and a working pascal program is also included for manipulating the machine. I…
Eliyah
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Accessing high Performance Counter in 16-bit Turbo Pascal

I'm trying to use the high performance counter in a 16-bit Turbo Pascal 7 program (don't ask...) running in a WinXP DOS box. I can execute the RDTSC instruction with inline $0F, $31 and the contents of AX and DX are set to what look like sensible…
rossmcm
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Profiling computations in Turbo Pascal and Turbo C

I recently been doing some tasks for university, which include using Turbo Profiler (the software is implicitly declared in the task, sadly) for profiling C and Pascal implementations of Simpsons numerical integration. I came across very strange…
Semyon Danilov
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MD5 in Delphi/Pascal/FreePascal for short strings

I am trying to implement simple MD5 for short strings (shorter than 64 bytes). I am using algorithm from Wikipedia.. Everything compiles, but my result for string: "hello world" is: BB3BB65ED0EE1EE0BB22CB93C3CD5A8F while it should…
Tom
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Reverse engineering a delay function written for an old computer

I'm trying to port some old Pascal code that I was handed, whose purpose is to control a digital I/O card, and I've run into a snag involving a wait function. Whenever sending a signal the programmer would do something like this [Set the port…
user3464692
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