Turbo Pascal

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Turbo Pascal v3 screenshot

Turbo Pascal is a dialect of the Pascal programming language which was sold by Borland International during the 1980s and 1990s for use with the MS-DOS and later Microsoft Windows operating systems. A few versions (1.0 and 1.1) were also released for Apple's System 6 and System 7 (a.k.a. Mac OS in later versions).It provided an Integrated Development Environment or IDE, which combined editor, program compiler and execution environment for developing, debugging, and compiling Pascal source code.

It would later provide features such as conditional compilation and the ability to separately compile modules using the unit directive, and would also implement some of the features which were first implemented years earlier in UCSD Pascal.

Beginning with version 5.5 Turbo Pascal introduced support for OOP by an extended version of the Object Pascal syntax that had been introduced with Apple's Mac Pascal.

Turbo Pascal would eventually be renamed Borland Pascal, and later phased out, to be replaced by a more powerful Pascal Compiler, Delphi, for use on the Microsoft Windows (and the Kylix version for use on the Linux) operating system.

The FPC Pascal Compiler provides a high level of compatibility with code written for Turbo Pascal and Borland Pascal, and some degree of compatibility with code written for Delphi and Kylix.

Version History

Product NameRelease Date
Borland Pascal 7 27th October 1992
Turbo Pascal for Windows 1.5 8th June 1992
Turbo Pascal for Windows 1.0 13th February 1991
Turbo Pascal 6 23rd October 1990
Turbo Pascal 5.5 2nd May 1989
Turbo Pascal 5 24th August 1988
Turbo Pascal 4 20th November 1987
Turbo Pascal 3 17th September 1986
Turbo Pascal 2 17th April 1984
Turbo Pascal 1 20th November 1983
Various Pascal Compilers:
AAEC Pascal | Alice Pascal | Apple Pascal | Borland Pascal | Clascal | Delphi | Free Pascal (FPC) | GNU Pascal | Kylix | Lisa Pascal | Mac Pascal | Metrowerks Pascal | NBS Pascal | OMSI Pascal | P32 | Sibyl | Smart Pascal | Stanford Pascal Compiler | Swedish Pascal | THINK Pascal | Turbo Pascal | UCSD Pascal | VAX Pascal | Virtual Pascal | winsoft PocketStudio
An extensive list of compilers is maintained at Pascaland.