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==Description==
A C development system for 16-bit OS/2, Windows and DOS code, in addition to supporting Psion series 3 development if bought as a part of the PSION SDK. The TopSpeed C compiler can be run as a native OS/2 application or by cross compiling from DOS. Notable for being the first PC C compiler that was fully [[ANSI C]] compliant, and the first one on any system to get ISO C90 validation. System now owned by Soft Velocity who use it as a utility development system for their Clarion database product and an OS/2 compatible product is no longer being offered. Originally a development of the [[TopSpeed Modula-2]] toolkit and shares the same environment and back-end.
A C development system for 16 bit OS/2, Windows and DOS code, can be run natively or by cross compiling from DOS, notable as being the first PC C compiler that was fully [[ANSI C]] compliant, and the first C compiler on any system to get ISO C90 validation. System now owned by Soft Velocity who use it as a utility development system for their Clarion database product and an OS/2 compatible product is no longer being offered. Originally a development of the [[TopSpeed Modula-2]] and shares the same environment and back-end


The later versions of the TopSpeed C compiler are considered to be very good unlike their C++ counterpart, although by now completely outdated.
The later versions of the TopSpeed C compiler are considered to be very good unlike their C++ counterpart, although by now completely outdated.
====The TopSpeed development environment====
One unusual aspect of the TopSpeed system was that you could buy variants of the development system for [[TopSpeed Modula-2|Modula-2]], [[TopSpeed C++|C++]] and [[TopSpeed Pascal|Pascal]] in addition to the C compiler and they all shared a back end. Not only could you call C, C++ or Pascal code from the Modula compiler (and vise versa) but you could mix and match the languages in one source file without resorting to any containers. An unique feature in its time and only one or two other development systems have offered similar features since. After Clarion took over the sales of the TopSpeed system the Clarion 4GL database language was ported to the TopSpeed system (and remains based on it to  this day) and became one of the interchangeable front ends.
Another unusual and somewhat unique aspect of the system was its ability to make multi-threaded code and dynamic libraries (DLL's) for DOS. The TopSpeed systems was developed under OS/2 v1.x and the developers were so taken with the threading model that they duplicated it for the DOS environment giving you not only the obvious benefit of being able to make multi-threaded DOS applications but also the option of making portable multi-threaded apps since the TS version for doses copied the OS/2 version down to a tee.


==Version==
==Version==
* 3.10
* 1.02
* 1.03 (1989)
* 2.0 (1990)
* 3.00 (1991)
* 3.10.002


====Prerequisites====
====Prerequisites====
* For Windows 3.x or Win-OS/2 programming the Microsoft Techkit is required, but the tools from it integrate into the TopSpeed environment.
* For Windows 3.x or Win-OS/2 programming the [[TopSpeed TechKit]] is required, but the tools from it integrate into the TopSpeed environment.
* Although you can develop OS/2 Presentation Manager applications without the OS/2 SDK, it is highly recommended that you use it since the PM support of TopSpeed C is rather weak in the parts were tools from the SDK already existed.
* Although you can develop OS/2 Presentation Manager applications without the OS/2 SDK, it is highly recommended that you use it since the PM support of TopSpeed C is rather weak in the parts were tools from the SDK already existed.
* DOS 3.0 or later and/or OS/2 1.3 or later.


==License==
==License==
* Commercial - Discontinued
* Commercial
 
*Author: [[Jensen and Partners International]]
==Author==
* [[Jensen & Partners International]]
* [[Niels Jensen]]


==Publications==
==Publications==
* L. John Ribar: TopSpeed C Made Easy Paperback - ISBN:0078815606 - 1990
* L. John Ribar: ''TopSpeed C Made Easy'' - 1990, ISBN 0-07-881560-6
====Articles====
* [http://www.nezumi.demon.co.uk/modula/jpi/fixes.doc Various fixes and workarounds for the 3.10 version of the compiler]
* [https://books.google.co.uk/books?id=X4152M1DLygC&pg=PA396&lpg=PA396 A review of TopSpeed C/C++ v3.02] - From PC Magazine July 1992


==Links==
==Links==
* [http://www.nezumi.demon.co.uk/modula/jpi/fixes.doc Various fixes and workarounds for the 3.10 version of the compiler]
;Articles
* [http://books.google.com/books?id=X4152M1DLygC&pg=PA392 A review of TopSpeed C/C++ v3.02] - PC Magazine July 1992
* Alex Lane: ''[http://www.drdobbs.com/cpp/cruising-with-topspeed/184408335 Cruising With TopSpeed]'' - Dr. Dobb's Journal, Apr 1990


[[Category:Tools]] [[Category:DOS Tools]][[Category:C]][[Category:MS Windows Tools]]
[[Category:C Development Environment]]

Latest revision as of 18:17, 21 August 2024

A C development system for 16-bit OS/2, Windows and DOS code, in addition to supporting Psion series 3 development if bought as a part of the PSION SDK. The TopSpeed C compiler can be run as a native OS/2 application or by cross compiling from DOS. Notable for being the first PC C compiler that was fully ANSI C compliant, and the first one on any system to get ISO C90 validation. System now owned by Soft Velocity who use it as a utility development system for their Clarion database product and an OS/2 compatible product is no longer being offered. Originally a development of the TopSpeed Modula-2 toolkit and shares the same environment and back-end.

The later versions of the TopSpeed C compiler are considered to be very good unlike their C++ counterpart, although by now completely outdated.

Version

  • 1.02
  • 1.03 (1989)
  • 2.0 (1990)
  • 3.00 (1991)
  • 3.10.002

Prerequisites

  • For Windows 3.x or Win-OS/2 programming the TopSpeed TechKit is required, but the tools from it integrate into the TopSpeed environment.
  • Although you can develop OS/2 Presentation Manager applications without the OS/2 SDK, it is highly recommended that you use it since the PM support of TopSpeed C is rather weak in the parts were tools from the SDK already existed.
  • DOS 3.0 or later and/or OS/2 1.3 or later.

License

Publications

  • L. John Ribar: TopSpeed C Made Easy - 1990, ISBN 0-07-881560-6

Links

Articles
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